Attachment 932542 Details for Bug 1031811 – part of /var/log/messages that shows the nouveau crash

part of /var/log/messages that shows the nouveau crash

messages.txt (text/plain), 305.19 KB, created by kc8hfi on 2014-08-29 02:44:31 UTC

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Creator: kc8hfi

Created: 2014-08-29 02:44:31 UTC

Size: 305.19 KB

patch

obsolete

>Aug 22 08:59:41 trigger kernel: [346351.079893] nouveau E[   PFIFO][0000:01:00.0] write fault at 0x0007658000 [PTE] from CE2/GR_COPY on channel 0x007f960000 [X[998]]
>Aug 22 08:59:41 trigger kernel: [346351.079897] nouveau E[   PFIFO][0000:01:00.0] PCE2 engine fault on channel 2, recovering...
>Aug 22 08:59:41 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] write fault at 0x0007658000 [PTE] from CE2/GR_COPY on channel 0x007f960000 [X[998]]
>Aug 22 08:59:41 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] PCE2 engine fault on channel 2, recovering...
>Aug 22 09:00:06 trigger kernel: [346375.685734] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:00:06 trigger kernel: [346375.685737] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:00:06 trigger kernel: [346375.685798] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:06 trigger kernel: [346375.685799] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:06 trigger kernel: [346375.685816] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:00:06 trigger kernel: [346375.685817] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:00:06 trigger kernel: [346375.685818] RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:00:06 trigger kernel: [346375.685829] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:00:06 trigger kernel: [346375.685830] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:00:06 trigger kernel: [346375.685830] RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:00:06 trigger kernel: [346375.685831] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:00:06 trigger kernel: [346375.685831] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:00:06 trigger kernel: [346375.685832] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:00:06 trigger kernel: [346375.685833] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:00:06 trigger kernel: [346375.685834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:06 trigger kernel: [346375.685834] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:06 trigger kernel: [346375.685835] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:06 trigger kernel: [346375.685836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:06 trigger kernel: [346375.685836] Stack:
>Aug 22 09:00:06 trigger kernel: [346375.685837]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:00:06 trigger kernel: [346375.685838]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:00:06 trigger kernel: [346375.685839]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:00:06 trigger kernel: [346375.685840] Call Trace:
>Aug 22 09:00:06 trigger kernel: [346375.685845]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:00:06 trigger kernel: [346375.685846]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:00:06 trigger kernel: [346375.685848]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:00:06 trigger kernel: [346375.685849]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:00:06 trigger kernel: [346375.685850]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:06 trigger kernel: [346375.685853]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:00:06 trigger kernel: [346375.685854]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:06 trigger kernel: [346375.685855] Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:00:06 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:00:06 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:00:06 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:00:06 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:06 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:06 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:00:06 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:00:06 trigger kernel: RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:00:06 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:00:06 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:00:06 trigger kernel: RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:00:06 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:00:06 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:00:06 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:00:06 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:00:06 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:06 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:06 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:06 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:06 trigger kernel: Stack:
>Aug 22 09:00:06 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:00:06 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:00:06 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:00:06 trigger kernel: Call Trace:
>Aug 22 09:00:06 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:00:06 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:00:06 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:00:06 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:00:06 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:06 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:00:06 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:06 trigger kernel: Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:00:34 trigger kernel: [346403.696712] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:00:34 trigger kernel: [346403.696715] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:00:34 trigger kernel: [346403.696767] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:34 trigger kernel: [346403.696768] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:34 trigger kernel: [346403.696785] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:00:34 trigger kernel: [346403.696786] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:00:34 trigger kernel: [346403.696787] RIP: 0010:[<ffffffffa0152c40>]  [<ffffffffa0152c40>] nve0_fifo_recover_work+0x60/0x330 [nouveau]
>Aug 22 09:00:34 trigger kernel: [346403.696798] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:00:34 trigger kernel: [346403.696798] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:00:34 trigger kernel: [346403.696799] RDX: 0000000000000020 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:00:34 trigger kernel: [346403.696800] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:00:34 trigger kernel: [346403.696800] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:00:34 trigger kernel: [346403.696801] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:00:34 trigger kernel: [346403.696802] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:00:34 trigger kernel: [346403.696802] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:34 trigger kernel: [346403.696803] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:34 trigger kernel: [346403.696804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:34 trigger kernel: [346403.696804] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:34 trigger kernel: [346403.696805] Stack:
>Aug 22 09:00:34 trigger kernel: [346403.696806]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:00:34 trigger kernel: [346403.696807]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:00:34 trigger kernel: [346403.696808]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:00:34 trigger kernel: [346403.696809] Call Trace:
>Aug 22 09:00:34 trigger kernel: [346403.696813]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:00:34 trigger kernel: [346403.696815]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:00:34 trigger kernel: [346403.696816]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:00:34 trigger kernel: [346403.696818]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:00:34 trigger kernel: [346403.696819]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:34 trigger kernel: [346403.696821]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:00:34 trigger kernel: [346403.696822]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:34 trigger kernel: [346403.696823] Code: 47 20 00 00 00 00 4c 89 e7 e8 0d 38 5a e1 f3 48 0f bc cb 48 85 db 0f 84 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 <83> ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 
>Aug 22 09:00:34 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:00:34 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:00:34 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:00:34 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:34 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:34 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:00:34 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:00:34 trigger kernel: RIP: 0010:[<ffffffffa0152c40>]  [<ffffffffa0152c40>] nve0_fifo_recover_work+0x60/0x330 [nouveau]
>Aug 22 09:00:34 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:00:34 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:00:34 trigger kernel: RDX: 0000000000000020 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:00:34 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:00:34 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:00:34 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:00:34 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:00:34 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:34 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:34 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:34 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:34 trigger kernel: Stack:
>Aug 22 09:00:34 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:00:34 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:00:34 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:00:34 trigger kernel: Call Trace:
>Aug 22 09:00:34 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:00:34 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:00:34 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:00:34 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:00:34 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:34 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:00:34 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:34 trigger kernel: Code: 47 20 00 00 00 00 4c 89 e7 e8 0d 38 5a e1 f3 48 0f bc cb 48 85 db 0f 84 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 <83> ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 
>Aug 22 09:00:41 trigger kernel: [346411.102614] INFO: rcu_sched self-detected stall on CPU { 7}  (t=60000 jiffies g=3216711 c=3216710 q=3687)
>Aug 22 09:00:41 trigger kernel: [346411.102629] sending NMI to all CPUs:
>Aug 22 09:00:41 trigger kernel: [346411.102632] NMI backtrace for cpu 7
>Aug 22 09:00:41 trigger kernel: [346411.102635] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: [346411.102636] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: [346411.102666] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:00:41 trigger kernel: [346411.102668] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:00:41 trigger kernel: [346411.102669] RIP: 0010:[<ffffffff8135fc57>]  [<ffffffff8135fc57>] find_next_bit+0x87/0xe0
>Aug 22 09:00:41 trigger kernel: [346411.102673] RSP: 0018:ffff88081ddc3d78  EFLAGS: 00000012
>Aug 22 09:00:41 trigger kernel: [346411.102674] RAX: 0000000000000000 RBX: 00000000000000ff RCX: 0000000000000038
>Aug 22 09:00:41 trigger kernel: [346411.102675] RDX: ffffffffffffffff RSI: 0000000000000008 RDI: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102676] RBP: ffff88081ddc3d78 R08: ffff8807f198eb80 R09: 0000000000000001
>Aug 22 09:00:41 trigger kernel: [346411.102677] R10: 0000000000000000 R11: ffff88081ddc3b16 R12: ffff8807f198eb80
>Aug 22 09:00:41 trigger kernel: [346411.102679] R13: ffff8807f1e04e80 R14: 000000000000de50 R15: 0000000000080000
>Aug 22 09:00:41 trigger kernel: [346411.102680] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102681] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: [346411.102682] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: [346411.102684] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102685] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: [346411.102686] Stack:
>Aug 22 09:00:41 trigger kernel: [346411.102687]  ffff88081ddc3dd8 ffffffff8104ca81 0000000000000096 00000002816ebd30
>Aug 22 09:00:41 trigger kernel: [346411.102689]  000000000000de48 0000000000000007 0000000000000007 0000000000002710
>Aug 22 09:00:41 trigger kernel: [346411.102691]  ffffffff81c54ac0 ffffffff81d0a6e0 ffffffff81c54ac0 0000000000000007
>Aug 22 09:00:41 trigger kernel: [346411.102693] Call Trace:
>Aug 22 09:00:41 trigger kernel: [346411.102694]  <IRQ> 
>Aug 22 09:00:41 trigger kernel: [346411.102695]  [<ffffffff8104ca81>] __x2apic_send_IPI_mask+0xa1/0x190
>Aug 22 09:00:41 trigger kernel: [346411.102701]  [<ffffffff8104cb8c>] x2apic_send_IPI_all+0x1c/0x20
>Aug 22 09:00:41 trigger kernel: [346411.102703]  [<ffffffff81047ed4>] arch_trigger_all_cpu_backtrace+0x64/0xa0
>Aug 22 09:00:41 trigger kernel: [346411.102705]  [<ffffffff810ed6b4>] rcu_check_callbacks+0x404/0x670
>Aug 22 09:00:41 trigger kernel: [346411.102709]  [<ffffffff810c0ac1>] ? account_process_tick+0x121/0x1b0
>Aug 22 09:00:41 trigger kernel: [346411.102712]  [<ffffffff810973b7>] update_process_times+0x47/0x70
>Aug 22 09:00:41 trigger kernel: [346411.102714]  [<ffffffff810f8a65>] tick_sched_handle.isra.16+0x25/0x60
>Aug 22 09:00:41 trigger kernel: [346411.102716]  [<ffffffff810f8ae1>] tick_sched_timer+0x41/0x60
>Aug 22 09:00:41 trigger kernel: [346411.102719]  [<ffffffff810af634>] __run_hrtimer+0x74/0x1d0
>Aug 22 09:00:41 trigger kernel: [346411.102720]  [<ffffffff810f8aa0>] ? tick_sched_handle.isra.16+0x60/0x60
>Aug 22 09:00:41 trigger kernel: [346411.102722]  [<ffffffff810afe27>] hrtimer_interrupt+0x107/0x250
>Aug 22 09:00:41 trigger kernel: [346411.102726]  [<ffffffff810461d7>] local_apic_timer_interrupt+0x37/0x60
>Aug 22 09:00:41 trigger kernel: [346411.102729]  [<ffffffff81701def>] smp_apic_timer_interrupt+0x3f/0x60
>Aug 22 09:00:41 trigger kernel: [346411.102731]  [<ffffffff8170075d>] apic_timer_interrupt+0x6d/0x80
>Aug 22 09:00:41 trigger kernel: [346411.102732]  <EOI> 
>Aug 22 09:00:41 trigger kernel: [346411.102734]  [<ffffffffa0152c58>] ? nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:00:41 trigger kernel: [346411.102751]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:00:41 trigger kernel: [346411.102753]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:00:41 trigger kernel: [346411.102755]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:00:41 trigger kernel: [346411.102757]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:00:41 trigger kernel: [346411.102759]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:41 trigger kernel: [346411.102761]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:00:41 trigger kernel: [346411.102763]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:41 trigger kernel: [346411.102764] Code: 32 48 83 ee 40 48 83 c7 40 48 f7 c6 c0 ff ff ff 75 e2 48 85 f6 48 89 f8 74 21 48 8b 02 b9 40 00 00 00 48 c7 c2 ff ff ff ff 29 f1 <48> d3 ea 48 21 d0 74 41 f3 48 0f bc c0 48 01 f8 5d c3 0f 1f 80 
>Aug 22 09:00:41 trigger kernel: [346411.102784] NMI backtrace for cpu 4
>Aug 22 09:00:41 trigger kernel: [346411.102787] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: [346411.102788] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: [346411.102790] task: ffff8807f18189e0 ti: ffff8807f1824000 task.ti: ffff8807f1824000
>Aug 22 09:00:41 trigger kernel: [346411.102791] RIP: 0010:[<ffffffff813c7511>]  [<ffffffff813c7511>] intel_idle+0xe1/0x170
>Aug 22 09:00:41 trigger kernel: [346411.102795] RSP: 0018:ffff8807f1827e30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: [346411.102796] RAX: 0000000000000032 RBX: 0000000000000010 RCX: ffff8807f1827fd8
>Aug 22 09:00:41 trigger kernel: [346411.102797] RDX: 0000000000000000 RSI: ffff8807f1827fd8 RDI: 0000000000000004
>Aug 22 09:00:41 trigger kernel: [346411.102798] RBP: ffff8807f1827e60 R08: 00000000ffffffff R09: 0000000000001b20
>Aug 22 09:00:41 trigger kernel: [346411.102799] R10: 00000000000019e4 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: [346411.102800] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: [346411.102802] FS:  0000000000000000(0000) GS:ffff88081dd00000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: [346411.102804] CR2: 00007ff5b0009148 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: [346411.102805] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102806] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: [346411.102807] Stack:
>Aug 22 09:00:41 trigger kernel: [346411.102808]  000000048101ba59 46e5822ae95d854d ffff88081dd1b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: [346411.102810]  00013aef8d7c0d06 0000000000000005 ffff8807f1827e98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: [346411.102812]  ffff8807f1827fd8 ffffffff81d0a660 ffff88081dd1b900 ffff8807f1824000
>Aug 22 09:00:41 trigger kernel: [346411.102814] Call Trace:
>Aug 22 09:00:41 trigger kernel: [346411.102818]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [346411.102820]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [346411.102824]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [346411.102827]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: [346411.102828] Code: 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 65 48 8b 0c 25 c8 c7 00 00 <83> a1 3c c0 ff ff fb 0f ae f0 48 8b 81 38 c0 ff ff a8 08 74 0c 
>Aug 22 09:00:41 trigger kernel: [346411.102848] NMI backtrace for cpu 0
>Aug 22 09:00:41 trigger kernel: [346411.102851] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: [346411.102852] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: [346411.102853] task: ffffffff81c18460 ti: ffffffff81c00000 task.ti: ffffffff81c00000
>Aug 22 09:00:41 trigger kernel: [346411.102854] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: [346411.102856] RSP: 0018:ffffffff81c03e38  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: [346411.102857] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: [346411.102858] RDX: 0000000000000000 RSI: ffffffff81c03fd8 RDI: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102859] RBP: ffffffff81c03e68 R08: 00000000ffffffff R09: 0000000000001b24
>Aug 22 09:00:41 trigger kernel: [346411.102860] R10: 00000000000019dc R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: [346411.102864] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: [346411.102867] FS:  0000000000000000(0000) GS:ffff88081dc00000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: [346411.102874] CR2: 00007f90c719c000 CR3: 0000000001c11000 CR4: 00000000001407f0
>Aug 22 09:00:41 trigger kernel: [346411.102877] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102880] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: [346411.102883] Stack:
>Aug 22 09:00:41 trigger kernel: [346411.102887]  000000008101ba59 04008cdeba68c528 ffff88081dc1b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: [346411.102899]  00013aef8d7c0d09 0000000000000005 ffffffff81c03ea0 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: [346411.102911]  ffffffff81c03fd8 ffffffff81d0a660 ffff88081dc1b900 ffffffff81c00000
>Aug 22 09:00:41 trigger kernel: [346411.102923] Call Trace:
>Aug 22 09:00:41 trigger kernel: [346411.102928]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [346411.102930]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [346411.102931]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [346411.102935]  [<ffffffff816e0857>] rest_init+0x77/0x80
>Aug 22 09:00:41 trigger kernel: [346411.102938]  [<ffffffff81d2efd6>] start_kernel+0x45d/0x47e
>Aug 22 09:00:41 trigger kernel: [346411.102941]  [<ffffffff81d2e982>] ? repair_env_string+0x5c/0x5c
>Aug 22 09:00:41 trigger kernel: [346411.102943]  [<ffffffff81d2e120>] ? early_idt_handlers+0x120/0x120
>Aug 22 09:00:41 trigger kernel: [346411.102945]  [<ffffffff81d2e5ee>] x86_64_start_reservations+0x2a/0x2c
>Aug 22 09:00:41 trigger kernel: [346411.102947]  [<ffffffff81d2e73d>] x86_64_start_kernel+0x14d/0x170
>Aug 22 09:00:41 trigger kernel: [346411.102948] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:41 trigger kernel: [346411.102969] NMI backtrace for cpu 5
>Aug 22 09:00:41 trigger kernel: [346411.102972] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: [346411.102973] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: [346411.102975] task: ffff8807f18193c0 ti: ffff8807f1828000 task.ti: ffff8807f1828000
>Aug 22 09:00:41 trigger kernel: [346411.102976] RIP: 0010:[<ffffffff813c7511>]  [<ffffffff813c7511>] intel_idle+0xe1/0x170
>Aug 22 09:00:41 trigger kernel: [346411.102979] RSP: 0018:ffff8807f182be30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: [346411.102980] RAX: 0000000000000032 RBX: 0000000000000010 RCX: ffff8807f182bfd8
>Aug 22 09:00:41 trigger kernel: [346411.102981] RDX: 0000000000000000 RSI: ffff8807f182bfd8 RDI: 0000000000000005
>Aug 22 09:00:41 trigger kernel: [346411.102983] RBP: ffff8807f182be60 R08: 00000000ffffffff R09: 0000000000001b1f
>Aug 22 09:00:41 trigger kernel: [346411.102985] R10: 00000000000019d4 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: [346411.102986] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: [346411.102987] FS:  0000000000000000(0000) GS:ffff88081dd40000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102989] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: [346411.102990] CR2: 00000000022693ec CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: [346411.102991] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.102994] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: [346411.102997] Stack:
>Aug 22 09:00:41 trigger kernel: [346411.103001]  000000058101ba59 462650a0539b90ea ffff88081dd5b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: [346411.103011]  00013aef8d7c0d0b 0000000000000005 ffff8807f182be98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: [346411.103013]  ffff8807f182bfd8 ffffffff81d0a660 ffff88081dd5b900 ffff8807f1828000
>Aug 22 09:00:41 trigger kernel: [346411.103015] Call Trace:
>Aug 22 09:00:41 trigger kernel: [346411.103019]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [346411.103021]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [346411.103024]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [346411.103027]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: [346411.103031] Code: 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 65 48 8b 0c 25 c8 c7 00 00 <83> a1 3c c0 ff ff fb 0f ae f0 48 8b 81 38 c0 ff ff a8 08 74 0c 
>Aug 22 09:00:41 trigger kernel: [346411.103052] NMI backtrace for cpu 3
>Aug 22 09:00:41 trigger kernel: [346411.103055] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: [346411.103056] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: [346411.103057] task: ffff8807f1818000 ti: ffff8807f1820000 task.ti: ffff8807f1820000
>Aug 22 09:00:41 trigger kernel: [346411.103058] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: [346411.103061] RSP: 0018:ffff8807f1823e30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: [346411.103065] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: [346411.103069] RDX: 0000000000000000 RSI: ffff8807f1823fd8 RDI: 0000000000000003
>Aug 22 09:00:41 trigger kernel: [346411.103070] RBP: ffff8807f1823e60 R08: 000000000000033f R09: 0000000000000018
>Aug 22 09:00:41 trigger kernel: [346411.103071] R10: 0000000000000996 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: [346411.103072] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: [346411.103073] FS:  0000000000000000(0000) GS:ffff88081dcc0000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.103074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: [346411.103076] CR2: 00007f90c719c000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: [346411.103077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.103078] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: [346411.103082] Stack:
>Aug 22 09:00:41 trigger kernel: [346411.103086]  000000038101ba59 18fd03b9f4fde089 ffff88081dcdb900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: [346411.103088]  00013aef8d8affbe 0000000000000005 ffff8807f1823e98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: [346411.103091]  ffff8807f1823fd8 ffffffff81d0a660 ffff88081dcdb900 ffff8807f1820000
>Aug 22 09:00:41 trigger kernel: [346411.103094] Call Trace:
>Aug 22 09:00:41 trigger kernel: [346411.103098]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [346411.103101]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [346411.103103]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [346411.103106]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: [346411.103107] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:41 trigger kernel: [346411.103126] NMI backtrace for cpu 6
>Aug 22 09:00:41 trigger kernel: [346411.103129] CPU: 6 PID: 0 Comm: swapper/6 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: [346411.103130] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: [346411.103132] task: ffff8807f1819da0 ti: ffff8807f182c000 task.ti: ffff8807f182c000
>Aug 22 09:00:41 trigger kernel: [346411.103133] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: [346411.103136] RSP: 0018:ffff8807f182fe30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: [346411.103137] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: [346411.103138] RDX: 0000000000000000 RSI: ffff8807f182ffd8 RDI: 0000000000000006
>Aug 22 09:00:41 trigger kernel: [346411.103139] RBP: ffff8807f182fe60 R08: 00000000ffffffff R09: 0000000000001b20
>Aug 22 09:00:41 trigger kernel: [346411.103140] R10: 00000000000019e4 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: [346411.103141] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: [346411.103143] FS:  0000000000000000(0000) GS:ffff88081dd80000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.103145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: [346411.103146] CR2: 00007f263624d000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: [346411.103147] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.103148] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: [346411.103149] Stack:
>Aug 22 09:00:41 trigger kernel: [346411.103150]  000000068101ba59 13d6367bc05ef5c0 ffff88081dd9b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: [346411.103152]  00013aef8d7c0d15 0000000000000005 ffff8807f182fe98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: [346411.103154]  ffff8807f182ffd8 ffffffff81d0a660 ffff88081dd9b900 ffff8807f182c000
>Aug 22 09:00:41 trigger kernel: [346411.103156] Call Trace:
>Aug 22 09:00:41 trigger kernel: [346411.103159]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [346411.103162]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [346411.103164]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [346411.103166]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: [346411.103168] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:41 trigger kernel: [346411.103189] NMI backtrace for cpu 1
>Aug 22 09:00:41 trigger kernel: [346411.103190] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: [346411.103191] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: [346411.103192] task: ffff8807f1ea62c0 ti: ffff8807f1810000 task.ti: ffff8807f1810000
>Aug 22 09:00:41 trigger kernel: [346411.103193] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: [346411.103194] RSP: 0018:ffff8807f1813e30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: [346411.103195] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: [346411.103196] RDX: 0000000000000000 RSI: ffff8807f1813fd8 RDI: 0000000000000001
>Aug 22 09:00:41 trigger kernel: [346411.103199] RBP: ffff8807f1813e60 R08: 000000000000033d R09: 0000000000000014
>Aug 22 09:00:41 trigger kernel: [346411.103200] R10: 0000000000000ce0 R11: 0000000000000005 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: [346411.103203] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: [346411.103207] FS:  0000000000000000(0000) GS:ffff88081dc40000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.103211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: [346411.103215] CR2: 00007fe58c04d028 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: [346411.103219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.103223] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: [346411.103225] Stack:
>Aug 22 09:00:41 trigger kernel: [346411.103229]  000000018101ba59 df14e885c631d2f4 ffff88081dc5b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: [346411.103237]  00013aef8d7c0e77 0000000000000005 ffff8807f1813e98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: [346411.103238]  ffff8807f1813fd8 ffffffff81d0a660 ffff88081dc5b900 ffff8807f1810000
>Aug 22 09:00:41 trigger kernel: [346411.103240] Call Trace:
>Aug 22 09:00:41 trigger kernel: [346411.103242]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [346411.103244]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [346411.103245]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [346411.103247]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: [346411.103248] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:41 trigger kernel: [346411.103260] NMI backtrace for cpu 2
>Aug 22 09:00:41 trigger kernel: [346411.103263] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: [346411.103264] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: [346411.103265] task: ffff8807f1ea6ca0 ti: ffff8807f1814000 task.ti: ffff8807f1814000
>Aug 22 09:00:41 trigger kernel: [346411.103267] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: [346411.103269] RSP: 0018:ffff8807f1817e30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: [346411.103271] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: [346411.103272] RDX: 0000000000000000 RSI: ffff8807f1817fd8 RDI: 0000000000000002
>Aug 22 09:00:41 trigger kernel: [346411.103273] RBP: ffff8807f1817e60 R08: 000000000000033d R09: 0000000000000014
>Aug 22 09:00:41 trigger kernel: [346411.103274] R10: 0000000000000cb4 R11: 0000000000000005 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: [346411.103275] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: [346411.103276] FS:  0000000000000000(0000) GS:ffff88081dc80000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.103280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: [346411.103284] CR2: 00007f493a55e000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: [346411.103287] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: [346411.103291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: [346411.103295] Stack:
>Aug 22 09:00:41 trigger kernel: [346411.103298]  000000028101ba59 742afb8aa5432dfb ffff88081dc9b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: [346411.103300]  00013aef8d7c0e13 0000000000000005 ffff8807f1817e98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: [346411.103302]  ffff8807f1817fd8 ffffffff81d0a660 ffff88081dc9b900 ffff8807f1814000
>Aug 22 09:00:41 trigger kernel: [346411.103304] Call Trace:
>Aug 22 09:00:41 trigger kernel: [346411.103308]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [346411.103310]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [346411.103312]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [346411.103315]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: [346411.103316] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:41 trigger kernel: INFO: rcu_sched self-detected stall on CPU { 7}  (t=60000 jiffies g=3216711 c=3216710 q=3687)
>Aug 22 09:00:41 trigger kernel: sending NMI to all CPUs:
>Aug 22 09:00:41 trigger kernel: NMI backtrace for cpu 7
>Aug 22 09:00:41 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:00:41 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:00:41 trigger kernel: RIP: 0010:[<ffffffff8135fc57>]  [<ffffffff8135fc57>] find_next_bit+0x87/0xe0
>Aug 22 09:00:41 trigger kernel: RSP: 0018:ffff88081ddc3d78  EFLAGS: 00000012
>Aug 22 09:00:41 trigger kernel: RAX: 0000000000000000 RBX: 00000000000000ff RCX: 0000000000000038
>Aug 22 09:00:41 trigger kernel: RDX: ffffffffffffffff RSI: 0000000000000008 RDI: 0000000000000000
>Aug 22 09:00:41 trigger kernel: RBP: ffff88081ddc3d78 R08: ffff8807f198eb80 R09: 0000000000000001
>Aug 22 09:00:41 trigger kernel: R10: 0000000000000000 R11: ffff88081ddc3b16 R12: ffff8807f198eb80
>Aug 22 09:00:41 trigger kernel: R13: ffff8807f1e04e80 R14: 000000000000de50 R15: 0000000000080000
>Aug 22 09:00:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: Stack:
>Aug 22 09:00:41 trigger kernel: ffff88081ddc3dd8 ffffffff8104ca81 0000000000000096 00000002816ebd30
>Aug 22 09:00:41 trigger kernel: 000000000000de48 0000000000000007 0000000000000007 0000000000002710
>Aug 22 09:00:41 trigger kernel: ffffffff81c54ac0 ffffffff81d0a6e0 ffffffff81c54ac0 0000000000000007
>Aug 22 09:00:41 trigger kernel: Call Trace:
>Aug 22 09:00:41 trigger kernel: <IRQ> 
>Aug 22 09:00:41 trigger kernel: 
>Aug 22 09:00:41 trigger kernel: [<ffffffff8104ca81>] __x2apic_send_IPI_mask+0xa1/0x190
>Aug 22 09:00:41 trigger kernel: [<ffffffff8104cb8c>] x2apic_send_IPI_all+0x1c/0x20
>Aug 22 09:00:41 trigger kernel: [<ffffffff81047ed4>] arch_trigger_all_cpu_backtrace+0x64/0xa0
>Aug 22 09:00:41 trigger kernel: [<ffffffff810ed6b4>] rcu_check_callbacks+0x404/0x670
>Aug 22 09:00:41 trigger kernel: [<ffffffff810c0ac1>] ? account_process_tick+0x121/0x1b0
>Aug 22 09:00:41 trigger kernel: [<ffffffff810973b7>] update_process_times+0x47/0x70
>Aug 22 09:00:41 trigger kernel: [<ffffffff810f8a65>] tick_sched_handle.isra.16+0x25/0x60
>Aug 22 09:00:41 trigger kernel: [<ffffffff810f8ae1>] tick_sched_timer+0x41/0x60
>Aug 22 09:00:41 trigger kernel: [<ffffffff810af634>] __run_hrtimer+0x74/0x1d0
>Aug 22 09:00:41 trigger kernel: [<ffffffff810f8aa0>] ? tick_sched_handle.isra.16+0x60/0x60
>Aug 22 09:00:41 trigger kernel: [<ffffffff810afe27>] hrtimer_interrupt+0x107/0x250
>Aug 22 09:00:41 trigger kernel: [<ffffffff810461d7>] local_apic_timer_interrupt+0x37/0x60
>Aug 22 09:00:41 trigger kernel: [<ffffffff81701def>] smp_apic_timer_interrupt+0x3f/0x60
>Aug 22 09:00:41 trigger kernel: [<ffffffff8170075d>] apic_timer_interrupt+0x6d/0x80
>Aug 22 09:00:41 trigger kernel: <EOI> 
>Aug 22 09:00:41 trigger kernel: 
>Aug 22 09:00:41 trigger kernel: [<ffffffffa0152c58>] ? nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:00:41 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:00:41 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:00:41 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:00:41 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:00:41 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:41 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:00:41 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:00:41 trigger kernel: Code: 32 48 83 ee 40 48 83 c7 40 48 f7 c6 c0 ff ff ff 75 e2 48 85 f6 48 89 f8 74 21 48 8b 02 b9 40 00 00 00 48 c7 c2 ff ff ff ff 29 f1 <48> d3 ea 48 21 d0 74 41 f3 48 0f bc c0 48 01 f8 5d c3 0f 1f 80 
>Aug 22 09:00:41 trigger kernel: NMI backtrace for cpu 4
>Aug 22 09:00:41 trigger kernel: CPU: 4 PID: 0 Comm: swapper/4 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: task: ffff8807f18189e0 ti: ffff8807f1824000 task.ti: ffff8807f1824000
>Aug 22 09:00:41 trigger kernel: RIP: 0010:[<ffffffff813c7511>]  [<ffffffff813c7511>] intel_idle+0xe1/0x170
>Aug 22 09:00:41 trigger kernel: RSP: 0018:ffff8807f1827e30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: ffff8807f1827fd8
>Aug 22 09:00:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1827fd8 RDI: 0000000000000004
>Aug 22 09:00:41 trigger kernel: RBP: ffff8807f1827e60 R08: 00000000ffffffff R09: 0000000000001b20
>Aug 22 09:00:41 trigger kernel: R10: 00000000000019e4 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dd00000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: CR2: 00007ff5b0009148 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: Stack:
>Aug 22 09:00:41 trigger kernel: 000000048101ba59 46e5822ae95d854d ffff88081dd1b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: 00013aef8d7c0d06 0000000000000005 ffff8807f1827e98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: ffff8807f1827fd8 ffffffff81d0a660 ffff88081dd1b900 ffff8807f1824000
>Aug 22 09:00:41 trigger kernel: Call Trace:
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: Code: 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 65 48 8b 0c 25 c8 c7 00 00 <83> a1 3c c0 ff ff fb 0f ae f0 48 8b 81 38 c0 ff ff a8 08 74 0c 
>Aug 22 09:00:41 trigger kernel: NMI backtrace for cpu 0
>Aug 22 09:00:41 trigger kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: task: ffffffff81c18460 ti: ffffffff81c00000 task.ti: ffffffff81c00000
>Aug 22 09:00:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: RSP: 0018:ffffffff81c03e38  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: RDX: 0000000000000000 RSI: ffffffff81c03fd8 RDI: 0000000000000000
>Aug 22 09:00:41 trigger kernel: RBP: ffffffff81c03e68 R08: 00000000ffffffff R09: 0000000000001b24
>Aug 22 09:00:41 trigger kernel: R10: 00000000000019dc R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dc00000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: CR2: 00007f90c719c000 CR3: 0000000001c11000 CR4: 00000000001407f0
>Aug 22 09:00:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: Stack:
>Aug 22 09:00:41 trigger kernel: 000000008101ba59 04008cdeba68c528 ffff88081dc1b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: 00013aef8d7c0d09 0000000000000005 ffffffff81c03ea0 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: ffffffff81c03fd8 ffffffff81d0a660 ffff88081dc1b900 ffffffff81c00000
>Aug 22 09:00:41 trigger kernel: Call Trace:
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [<ffffffff816e0857>] rest_init+0x77/0x80
>Aug 22 09:00:41 trigger kernel: [<ffffffff81d2efd6>] start_kernel+0x45d/0x47e
>Aug 22 09:00:41 trigger kernel: [<ffffffff81d2e982>] ? repair_env_string+0x5c/0x5c
>Aug 22 09:00:41 trigger kernel: [<ffffffff81d2e120>] ? early_idt_handlers+0x120/0x120
>Aug 22 09:00:41 trigger kernel: [<ffffffff81d2e5ee>] x86_64_start_reservations+0x2a/0x2c
>Aug 22 09:00:41 trigger kernel: [<ffffffff81d2e73d>] x86_64_start_kernel+0x14d/0x170
>Aug 22 09:00:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:41 trigger kernel: NMI backtrace for cpu 5
>Aug 22 09:00:41 trigger kernel: CPU: 5 PID: 0 Comm: swapper/5 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: task: ffff8807f18193c0 ti: ffff8807f1828000 task.ti: ffff8807f1828000
>Aug 22 09:00:41 trigger kernel: RIP: 0010:[<ffffffff813c7511>]  [<ffffffff813c7511>] intel_idle+0xe1/0x170
>Aug 22 09:00:41 trigger kernel: RSP: 0018:ffff8807f182be30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: ffff8807f182bfd8
>Aug 22 09:00:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f182bfd8 RDI: 0000000000000005
>Aug 22 09:00:41 trigger kernel: RBP: ffff8807f182be60 R08: 00000000ffffffff R09: 0000000000001b1f
>Aug 22 09:00:41 trigger kernel: R10: 00000000000019d4 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dd40000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: CR2: 00000000022693ec CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: Stack:
>Aug 22 09:00:41 trigger kernel: 000000058101ba59 462650a0539b90ea ffff88081dd5b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: 00013aef8d7c0d0b 0000000000000005 ffff8807f182be98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: ffff8807f182bfd8 ffffffff81d0a660 ffff88081dd5b900 ffff8807f1828000
>Aug 22 09:00:41 trigger kernel: Call Trace:
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: Code: 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 65 48 8b 0c 25 c8 c7 00 00 <83> a1 3c c0 ff ff fb 0f ae f0 48 8b 81 38 c0 ff ff a8 08 74 0c 
>Aug 22 09:00:41 trigger kernel: NMI backtrace for cpu 3
>Aug 22 09:00:41 trigger kernel: CPU: 3 PID: 0 Comm: swapper/3 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: task: ffff8807f1818000 ti: ffff8807f1820000 task.ti: ffff8807f1820000
>Aug 22 09:00:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: RSP: 0018:ffff8807f1823e30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1823fd8 RDI: 0000000000000003
>Aug 22 09:00:41 trigger kernel: RBP: ffff8807f1823e60 R08: 000000000000033f R09: 0000000000000018
>Aug 22 09:00:41 trigger kernel: R10: 0000000000000996 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dcc0000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: CR2: 00007f90c719c000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: Stack:
>Aug 22 09:00:41 trigger kernel: 000000038101ba59 18fd03b9f4fde089 ffff88081dcdb900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: 00013aef8d8affbe 0000000000000005 ffff8807f1823e98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: ffff8807f1823fd8 ffffffff81d0a660 ffff88081dcdb900 ffff8807f1820000
>Aug 22 09:00:41 trigger kernel: Call Trace:
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:41 trigger kernel: NMI backtrace for cpu 6
>Aug 22 09:00:41 trigger kernel: CPU: 6 PID: 0 Comm: swapper/6 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: task: ffff8807f1819da0 ti: ffff8807f182c000 task.ti: ffff8807f182c000
>Aug 22 09:00:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: RSP: 0018:ffff8807f182fe30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f182ffd8 RDI: 0000000000000006
>Aug 22 09:00:41 trigger kernel: RBP: ffff8807f182fe60 R08: 00000000ffffffff R09: 0000000000001b20
>Aug 22 09:00:41 trigger kernel: R10: 00000000000019e4 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dd80000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: CR2: 00007f263624d000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: Stack:
>Aug 22 09:00:41 trigger kernel: 000000068101ba59 13d6367bc05ef5c0 ffff88081dd9b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: 00013aef8d7c0d15 0000000000000005 ffff8807f182fe98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: ffff8807f182ffd8 ffffffff81d0a660 ffff88081dd9b900 ffff8807f182c000
>Aug 22 09:00:41 trigger kernel: Call Trace:
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:41 trigger kernel: NMI backtrace for cpu 1
>Aug 22 09:00:41 trigger kernel: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: task: ffff8807f1ea62c0 ti: ffff8807f1810000 task.ti: ffff8807f1810000
>Aug 22 09:00:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: RSP: 0018:ffff8807f1813e30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1813fd8 RDI: 0000000000000001
>Aug 22 09:00:41 trigger kernel: RBP: ffff8807f1813e60 R08: 000000000000033d R09: 0000000000000014
>Aug 22 09:00:41 trigger kernel: R10: 0000000000000ce0 R11: 0000000000000005 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dc40000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: CR2: 00007fe58c04d028 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: Stack:
>Aug 22 09:00:41 trigger kernel: 000000018101ba59 df14e885c631d2f4 ffff88081dc5b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: 00013aef8d7c0e77 0000000000000005 ffff8807f1813e98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: ffff8807f1813fd8 ffffffff81d0a660 ffff88081dc5b900 ffff8807f1810000
>Aug 22 09:00:41 trigger kernel: Call Trace:
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:41 trigger kernel: NMI backtrace for cpu 2
>Aug 22 09:00:41 trigger kernel: CPU: 2 PID: 0 Comm: swapper/2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:00:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:00:41 trigger kernel: task: ffff8807f1ea6ca0 ti: ffff8807f1814000 task.ti: ffff8807f1814000
>Aug 22 09:00:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:00:41 trigger kernel: RSP: 0018:ffff8807f1817e30  EFLAGS: 00000046
>Aug 22 09:00:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:00:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1817fd8 RDI: 0000000000000002
>Aug 22 09:00:41 trigger kernel: RBP: ffff8807f1817e60 R08: 000000000000033d R09: 0000000000000014
>Aug 22 09:00:41 trigger kernel: R10: 0000000000000cb4 R11: 0000000000000005 R12: 0000000000000005
>Aug 22 09:00:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:00:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dc80000(0000) knlGS:0000000000000000
>Aug 22 09:00:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:00:41 trigger kernel: CR2: 00007f493a55e000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:00:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:00:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:00:41 trigger kernel: Stack:
>Aug 22 09:00:41 trigger kernel: 000000028101ba59 742afb8aa5432dfb ffff88081dc9b900 ffffffff81ca53e0
>Aug 22 09:00:41 trigger kernel: 00013aef8d7c0e13 0000000000000005 ffff8807f1817e98 ffffffff81588a00
>Aug 22 09:00:41 trigger kernel: ffff8807f1817fd8 ffffffff81d0a660 ffff88081dc9b900 ffff8807f1814000
>Aug 22 09:00:41 trigger kernel: Call Trace:
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:00:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:00:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:00:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:00:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:00:46 trigger kernel: [346413.999560] nouveau E[   PDISP][0000:01:00.0] chid 3 mthd 0x0080 data 0x00000000 0x00005080 0x0000000d
>Aug 22 09:00:46 trigger kernel: [346416.000334] nouveau E[   PDISP][0000:01:00.0] chid 4 mthd 0x0080 data 0x00000000 0x00005080 0x0000000d
>Aug 22 09:00:46 trigger kernel: [346416.230234] nouveau E[     DRM] GPU lockup - switching to software fbcon
>Aug 22 09:00:46 trigger kernel: nouveau E[   PDISP][0000:01:00.0] chid 3 mthd 0x0080 data 0x00000000 0x00005080 0x0000000d
>Aug 22 09:00:46 trigger kernel: nouveau E[   PDISP][0000:01:00.0] chid 4 mthd 0x0080 data 0x00000000 0x00005080 0x0000000d
>Aug 22 09:00:46 trigger kernel: nouveau E[     DRM] GPU lockup - switching to software fbcon
>Aug 22 09:01:01 trigger kernel: [346431.252512] nouveau E[  X[998]] failed to idle channel 0xcccc0001 [X[998]]
>Aug 22 09:01:01 trigger kernel: nouveau E[  X[998]] failed to idle channel 0xcccc0001 [X[998]]
>Aug 22 09:01:01 trigger systemd: Starting Session 158 of user root.
>Aug 22 09:01:01 trigger systemd: Started Session 158 of user root.
>Aug 22 09:01:06 trigger kernel: [346435.709257] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:01:06 trigger kernel: [346435.710127] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:01:06 trigger kernel: [346435.710159] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:01:06 trigger kernel: [346435.710160] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:01:06 trigger kernel: [346435.710177] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:01:06 trigger kernel: [346435.710178] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:01:06 trigger kernel: [346435.710179] RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:01:06 trigger kernel: [346435.710190] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:01:06 trigger kernel: [346435.710190] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:01:06 trigger kernel: [346435.710191] RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:01:06 trigger kernel: [346435.710192] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:01:06 trigger kernel: [346435.710192] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:01:06 trigger kernel: [346435.710193] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:01:06 trigger kernel: [346435.710194] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:01:06 trigger kernel: [346435.710194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:01:06 trigger kernel: [346435.710195] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:01:06 trigger kernel: [346435.710196] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:01:06 trigger kernel: [346435.710197] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:01:06 trigger kernel: [346435.710197] Stack:
>Aug 22 09:01:06 trigger kernel: [346435.710198]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:01:06 trigger kernel: [346435.710199]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:01:06 trigger kernel: [346435.710200]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:01:06 trigger kernel: [346435.710201] Call Trace:
>Aug 22 09:01:06 trigger kernel: [346435.710205]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:01:06 trigger kernel: [346435.710206]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:01:06 trigger kernel: [346435.710208]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:01:06 trigger kernel: [346435.710209]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:01:06 trigger kernel: [346435.710210]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:01:06 trigger kernel: [346435.710213]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:01:06 trigger kernel: [346435.710214]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:01:06 trigger kernel: [346435.710215] Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:01:06 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:01:06 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:01:06 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:01:06 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:01:06 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:01:06 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:01:06 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:01:06 trigger kernel: RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:01:06 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:01:06 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:01:06 trigger kernel: RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:01:06 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:01:06 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:01:06 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:01:06 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:01:06 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:01:06 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:01:06 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:01:06 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:01:06 trigger kernel: Stack:
>Aug 22 09:01:06 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:01:06 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:01:06 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:01:06 trigger kernel: Call Trace:
>Aug 22 09:01:06 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:01:06 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:01:06 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:01:06 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:01:06 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:01:06 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:01:06 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:01:06 trigger kernel: Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:01:16 trigger kernel: [346446.258405] nouveau E[  X[998]] failed to idle channel 0xcccc0001 [X[998]]
>Aug 22 09:01:16 trigger kernel: nouveau E[  X[998]] failed to idle channel 0xcccc0001 [X[998]]
>Aug 22 09:01:18 trigger kernel: [346448.260203] nouveau E[   PFIFO][0000:01:00.0] runlist 0 update timeout
>Aug 22 09:01:18 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] runlist 0 update timeout
>Aug 22 09:01:20 trigger kernel: [346450.556101] nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:20 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:25 trigger kernel: [346454.853522] nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:25 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:29 trigger kernel: [346459.150901] nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:29 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:33 trigger kernel: [346463.267059] nouveau E[  X[998]] failed to idle channel 0xcccc0000 [X[998]]
>Aug 22 09:01:33 trigger kernel: nouveau E[  X[998]] failed to idle channel 0xcccc0000 [X[998]]
>Aug 22 09:01:33 trigger kernel: [346463.448278] nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:33 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:34 trigger kernel: [346463.720234] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:01:34 trigger kernel: [346463.721064] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:01:34 trigger kernel: [346463.721095] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:01:34 trigger kernel: [346463.721096] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:01:34 trigger kernel: [346463.721114] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:01:34 trigger kernel: [346463.721115] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:01:34 trigger kernel: [346463.721116] RIP: 0010:[<ffffffffa0152c6a>]  [<ffffffffa0152c6a>] nve0_fifo_recover_work+0x8a/0x330 [nouveau]
>Aug 22 09:01:34 trigger kernel: [346463.721127] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000202
>Aug 22 09:01:34 trigger kernel: [346463.721127] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:01:34 trigger kernel: [346463.721128] RDX: 00000000fffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:01:34 trigger kernel: [346463.721129] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:01:34 trigger kernel: [346463.721129] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:01:34 trigger kernel: [346463.721130] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:01:34 trigger kernel: [346463.721131] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:01:34 trigger kernel: [346463.721131] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:01:34 trigger kernel: [346463.721132] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:01:34 trigger kernel: [346463.721133] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:01:34 trigger kernel: [346463.721133] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:01:34 trigger kernel: [346463.721134] Stack:
>Aug 22 09:01:34 trigger kernel: [346463.721134]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:01:34 trigger kernel: [346463.721136]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:01:34 trigger kernel: [346463.721137]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:01:34 trigger kernel: [346463.721138] Call Trace:
>Aug 22 09:01:34 trigger kernel: [346463.721141]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:01:34 trigger kernel: [346463.721143]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:01:34 trigger kernel: [346463.721144]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:01:34 trigger kernel: [346463.721146]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:01:34 trigger kernel: [346463.721147]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:01:34 trigger kernel: [346463.721149]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:01:34 trigger kernel: [346463.721150]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:01:34 trigger kernel: [346463.721151] Code: 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 <48> 63 d2 48 21 d0 f3 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 
>Aug 22 09:01:34 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:01:34 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:01:34 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:01:34 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:01:34 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:01:34 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:01:34 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:01:34 trigger kernel: RIP: 0010:[<ffffffffa0152c6a>]  [<ffffffffa0152c6a>] nve0_fifo_recover_work+0x8a/0x330 [nouveau]
>Aug 22 09:01:34 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000202
>Aug 22 09:01:34 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:01:34 trigger kernel: RDX: 00000000fffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:01:34 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:01:34 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:01:34 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:01:34 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:01:34 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:01:34 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:01:34 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:01:34 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:01:34 trigger kernel: Stack:
>Aug 22 09:01:34 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:01:34 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:01:34 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:01:34 trigger kernel: Call Trace:
>Aug 22 09:01:34 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:01:34 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:01:34 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:01:34 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:01:34 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:01:34 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:01:34 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:01:34 trigger kernel: Code: 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 <48> 63 d2 48 21 d0 f3 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 
>Aug 22 09:01:38 trigger kernel: [346467.745796] nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:38 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:42 trigger kernel: [346472.043284] nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:42 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:46 trigger kernel: [346476.340693] nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:46 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ]
>Aug 22 09:01:48 trigger kernel: [346478.272939] nouveau E[  X[998]] failed to idle channel 0xcccc0000 [X[998]]
>Aug 22 09:01:48 trigger kernel: nouveau E[  X[998]] failed to idle channel 0xcccc0000 [X[998]]
>Aug 22 09:01:50 trigger kernel: [346480.274782] nouveau E[   PFIFO][0000:01:00.0] channel 2 [X[998]] kick timeout
>Aug 22 09:01:50 trigger kernel: nouveau E[   PFIFO][0000:01:00.0] channel 2 [X[998]] kick timeout
>Aug 22 09:02:02 trigger kernel: [346491.731212] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:02:02 trigger kernel: [346491.732088] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:02:02 trigger kernel: [346491.732119] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:02:02 trigger kernel: [346491.732120] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:02:02 trigger kernel: [346491.732139] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:02:02 trigger kernel: [346491.732140] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:02:02 trigger kernel: [346491.732141] RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:02:02 trigger kernel: [346491.732152] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:02:02 trigger kernel: [346491.732152] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:02:02 trigger kernel: [346491.732153] RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:02:02 trigger kernel: [346491.732154] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:02:02 trigger kernel: [346491.732154] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:02:02 trigger kernel: [346491.732155] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:02:02 trigger kernel: [346491.732156] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:02:02 trigger kernel: [346491.732156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:02:02 trigger kernel: [346491.732157] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:02:02 trigger kernel: [346491.732158] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:02:02 trigger kernel: [346491.732158] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:02:02 trigger kernel: [346491.732159] Stack:
>Aug 22 09:02:02 trigger kernel: [346491.732160]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:02:02 trigger kernel: [346491.732161]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:02:02 trigger kernel: [346491.732162]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:02:02 trigger kernel: [346491.732163] Call Trace:
>Aug 22 09:02:02 trigger kernel: [346491.732167]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:02:02 trigger kernel: [346491.732169]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:02:02 trigger kernel: [346491.732170]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:02:02 trigger kernel: [346491.732172]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:02:02 trigger kernel: [346491.732173]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:02 trigger kernel: [346491.732175]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:02:02 trigger kernel: [346491.732176]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:02 trigger kernel: [346491.732177] Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:02:02 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:02:02 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:02:02 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:02:02 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:02:02 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:02:02 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:02:02 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:02:02 trigger kernel: RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:02:02 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:02:02 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:02:02 trigger kernel: RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:02:02 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:02:02 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:02:02 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:02:02 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:02:02 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:02:02 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:02:02 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:02:02 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:02:02 trigger kernel: Stack:
>Aug 22 09:02:02 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:02:02 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:02:02 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:02:02 trigger kernel: Call Trace:
>Aug 22 09:02:02 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:02:02 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:02:02 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:02:02 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:02:02 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:02 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:02:02 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:02 trigger kernel: Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:02:30 trigger kernel: [346519.742189] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:02:30 trigger kernel: [346519.743043] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:02:30 trigger kernel: [346519.743074] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:02:30 trigger kernel: [346519.743075] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:02:30 trigger kernel: [346519.743092] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:02:30 trigger kernel: [346519.743093] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:02:30 trigger kernel: [346519.743094] RIP: 0010:[<ffffffffa0152c6d>]  [<ffffffffa0152c6d>] nve0_fifo_recover_work+0x8d/0x330 [nouveau]
>Aug 22 09:02:30 trigger kernel: [346519.743104] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000202
>Aug 22 09:02:30 trigger kernel: [346519.743105] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:02:30 trigger kernel: [346519.743106] RDX: fffffffffffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:02:30 trigger kernel: [346519.743106] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:02:30 trigger kernel: [346519.743107] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:02:30 trigger kernel: [346519.743108] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:02:30 trigger kernel: [346519.743108] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:02:30 trigger kernel: [346519.743109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:02:30 trigger kernel: [346519.743110] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:02:30 trigger kernel: [346519.743111] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:02:30 trigger kernel: [346519.743111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:02:30 trigger kernel: [346519.743112] Stack:
>Aug 22 09:02:30 trigger kernel: [346519.743113]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:02:30 trigger kernel: [346519.743114]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:02:30 trigger kernel: [346519.743115]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:02:30 trigger kernel: [346519.743116] Call Trace:
>Aug 22 09:02:30 trigger kernel: [346519.743120]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:02:30 trigger kernel: [346519.743122]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:02:30 trigger kernel: [346519.743123]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:02:30 trigger kernel: [346519.743125]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:02:30 trigger kernel: [346519.743126]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:30 trigger kernel: [346519.743129]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:02:30 trigger kernel: [346519.743130]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:30 trigger kernel: [346519.743130] Code: 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 <48> 21 d0 f3 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 78 ff ff 
>Aug 22 09:02:30 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:02:30 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:02:30 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:02:30 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:02:30 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:02:30 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:02:30 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:02:30 trigger kernel: RIP: 0010:[<ffffffffa0152c6d>]  [<ffffffffa0152c6d>] nve0_fifo_recover_work+0x8d/0x330 [nouveau]
>Aug 22 09:02:30 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000202
>Aug 22 09:02:30 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:02:30 trigger kernel: RDX: fffffffffffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:02:30 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:02:30 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:02:30 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:02:30 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:02:30 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:02:30 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:02:30 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:02:30 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:02:30 trigger kernel: Stack:
>Aug 22 09:02:30 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:02:30 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:02:30 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:02:30 trigger kernel: Call Trace:
>Aug 22 09:02:30 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:02:30 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:02:30 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:02:30 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:02:30 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:30 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:02:30 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:30 trigger kernel: Code: 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 <48> 21 d0 f3 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 78 ff ff 
>Aug 22 09:02:45 trigger systemd: Starting Getty on tty2...
>Aug 22 09:02:45 trigger systemd: Started Getty on tty2.
>Aug 22 09:02:46 trigger dbus-daemon: dbus[664]: [system] Activating via systemd: service name='net.reactivated.Fprint' unit='fprintd.service'
>Aug 22 09:02:46 trigger dbus[664]: [system] Activating via systemd: service name='net.reactivated.Fprint' unit='fprintd.service'
>Aug 22 09:02:46 trigger systemd: Starting Fingerprint Authentication Daemon...
>Aug 22 09:02:46 trigger dbus-daemon: dbus[664]: [system] Successfully activated service 'net.reactivated.Fprint'
>Aug 22 09:02:46 trigger dbus[664]: [system] Successfully activated service 'net.reactivated.Fprint'
>Aug 22 09:02:46 trigger systemd: Started Fingerprint Authentication Daemon.
>Aug 22 09:02:46 trigger fprintd: Launching FprintObject
>Aug 22 09:02:46 trigger fprintd: ** Message: D-Bus service launched with name: net.reactivated.Fprint
>Aug 22 09:02:46 trigger fprintd: ** Message: entering main loop
>Aug 22 09:02:48 trigger systemd-logind: New session 159 of user camey.
>Aug 22 09:02:48 trigger systemd: Starting Session 159 of user camey.
>Aug 22 09:02:48 trigger systemd: Started Session 159 of user camey.
>Aug 22 09:02:58 trigger kernel: [346547.753166] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:02:58 trigger kernel: [346547.753196] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:02:58 trigger kernel: [346547.753237] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:02:58 trigger kernel: [346547.753238] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:02:58 trigger kernel: [346547.753256] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:02:58 trigger kernel: [346547.753257] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:02:58 trigger kernel: [346547.753258] RIP: 0010:[<ffffffffa0152c40>]  [<ffffffffa0152c40>] nve0_fifo_recover_work+0x60/0x330 [nouveau]
>Aug 22 09:02:58 trigger kernel: [346547.753268] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:02:58 trigger kernel: [346547.753269] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:02:58 trigger kernel: [346547.753270] RDX: 0000000000000020 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:02:58 trigger kernel: [346547.753270] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:02:58 trigger kernel: [346547.753271] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:02:58 trigger kernel: [346547.753272] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:02:58 trigger kernel: [346547.753272] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:02:58 trigger kernel: [346547.753273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:02:58 trigger kernel: [346547.753274] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:02:58 trigger kernel: [346547.753275] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:02:58 trigger kernel: [346547.753275] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:02:58 trigger kernel: [346547.753276] Stack:
>Aug 22 09:02:58 trigger kernel: [346547.753276]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:02:58 trigger kernel: [346547.753277]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:02:58 trigger kernel: [346547.753279]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:02:58 trigger kernel: [346547.753280] Call Trace:
>Aug 22 09:02:58 trigger kernel: [346547.753284]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:02:58 trigger kernel: [346547.753285]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:02:58 trigger kernel: [346547.753287]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:02:58 trigger kernel: [346547.753288]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:02:58 trigger kernel: [346547.753290]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:58 trigger kernel: [346547.753292]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:02:58 trigger kernel: [346547.753293]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:58 trigger kernel: [346547.753294] Code: 47 20 00 00 00 00 4c 89 e7 e8 0d 38 5a e1 f3 48 0f bc cb 48 85 db 0f 84 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 <83> ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 
>Aug 22 09:02:58 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:02:58 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:02:58 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:02:58 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:02:58 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:02:58 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:02:58 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:02:58 trigger kernel: RIP: 0010:[<ffffffffa0152c40>]  [<ffffffffa0152c40>] nve0_fifo_recover_work+0x60/0x330 [nouveau]
>Aug 22 09:02:58 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:02:58 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:02:58 trigger kernel: RDX: 0000000000000020 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:02:58 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:02:58 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:02:58 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:02:58 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:02:58 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:02:58 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:02:58 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:02:58 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:02:58 trigger kernel: Stack:
>Aug 22 09:02:58 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:02:58 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:02:58 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:02:58 trigger kernel: Call Trace:
>Aug 22 09:02:58 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:02:58 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:02:58 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:02:58 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:02:58 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:58 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:02:58 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:02:58 trigger kernel: Code: 47 20 00 00 00 00 4c 89 e7 e8 0d 38 5a e1 f3 48 0f bc cb 48 85 db 0f 84 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 <83> ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 
>Aug 22 09:03:17 trigger fprintd: ** Message: No devices in use, exit
>Aug 22 09:03:25 trigger dbus-daemon: dbus[664]: [system] Activating via systemd: service name='net.reactivated.Fprint' unit='fprintd.service'
>Aug 22 09:03:25 trigger dbus[664]: [system] Activating via systemd: service name='net.reactivated.Fprint' unit='fprintd.service'
>Aug 22 09:03:25 trigger systemd: Starting Fingerprint Authentication Daemon...
>Aug 22 09:03:25 trigger dbus-daemon: dbus[664]: [system] Successfully activated service 'net.reactivated.Fprint'
>Aug 22 09:03:25 trigger dbus[664]: [system] Successfully activated service 'net.reactivated.Fprint'
>Aug 22 09:03:25 trigger fprintd: Launching FprintObject
>Aug 22 09:03:25 trigger fprintd: ** Message: D-Bus service launched with name: net.reactivated.Fprint
>Aug 22 09:03:25 trigger fprintd: ** Message: entering main loop
>Aug 22 09:03:25 trigger systemd: Started Fingerprint Authentication Daemon.
>Aug 22 09:03:26 trigger kernel: [346575.764143] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:03:26 trigger kernel: [346575.764173] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:03:26 trigger kernel: [346575.764212] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:26 trigger kernel: [346575.764213] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:26 trigger kernel: [346575.764231] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:03:26 trigger kernel: [346575.764232] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:03:26 trigger kernel: [346575.764233] RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:03:26 trigger kernel: [346575.764243] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:03:26 trigger kernel: [346575.764244] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:03:26 trigger kernel: [346575.764245] RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:03:26 trigger kernel: [346575.764245] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:03:26 trigger kernel: [346575.764246] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:03:26 trigger kernel: [346575.764246] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:03:26 trigger kernel: [346575.764247] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:03:26 trigger kernel: [346575.764248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:26 trigger kernel: [346575.764249] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:26 trigger kernel: [346575.764249] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:26 trigger kernel: [346575.764250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:26 trigger kernel: [346575.764250] Stack:
>Aug 22 09:03:26 trigger kernel: [346575.764251]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:03:26 trigger kernel: [346575.764252]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:03:26 trigger kernel: [346575.764253]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:03:26 trigger kernel: [346575.764254] Call Trace:
>Aug 22 09:03:26 trigger kernel: [346575.764259]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:03:26 trigger kernel: [346575.764260]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:03:26 trigger kernel: [346575.764261]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:03:26 trigger kernel: [346575.764263]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:03:26 trigger kernel: [346575.764264]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:03:26 trigger kernel: [346575.764266]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:03:26 trigger kernel: [346575.764267]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:03:26 trigger kernel: [346575.764268] Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:03:26 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:03:26 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:03:26 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:03:26 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:26 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:26 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:03:26 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:03:26 trigger kernel: RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:03:26 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:03:26 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:03:26 trigger kernel: RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:03:26 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:03:26 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:03:26 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:03:26 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:03:26 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:26 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:26 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:26 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:26 trigger kernel: Stack:
>Aug 22 09:03:26 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:03:26 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:03:26 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:03:26 trigger kernel: Call Trace:
>Aug 22 09:03:26 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:03:26 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:03:26 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:03:26 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:03:26 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:03:26 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:03:26 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:03:26 trigger kernel: Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:03:27 trigger su: (to root) camey on tty2
>Aug 22 09:03:41 trigger kernel: [346591.176183] INFO: rcu_sched self-detected stall on CPU { 7}  (t=240003 jiffies g=3216711 c=3216710 q=62405)
>Aug 22 09:03:41 trigger kernel: [346591.176235] sending NMI to all CPUs:
>Aug 22 09:03:41 trigger kernel: [346591.176237] NMI backtrace for cpu 7
>Aug 22 09:03:41 trigger kernel: [346591.176240] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: [346591.176241] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: [346591.176282] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:03:41 trigger kernel: [346591.176284] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:03:41 trigger kernel: [346591.176285] RIP: 0010:[<ffffffff8135fc57>]  [<ffffffff8135fc57>] find_next_bit+0x87/0xe0
>Aug 22 09:03:41 trigger kernel: [346591.176289] RSP: 0018:ffff88081ddc3d78  EFLAGS: 00000012
>Aug 22 09:03:41 trigger kernel: [346591.176290] RAX: 0000000000000000 RBX: 00000000000000ff RCX: 0000000000000038
>Aug 22 09:03:41 trigger kernel: [346591.176291] RDX: ffffffffffffffff RSI: 0000000000000008 RDI: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176293] RBP: ffff88081ddc3d78 R08: ffff8807f198eb80 R09: 0000000000000001
>Aug 22 09:03:41 trigger kernel: [346591.176294] R10: 0000000000000000 R11: ffff88081ddc3b16 R12: ffff8807f198eb80
>Aug 22 09:03:41 trigger kernel: [346591.176295] R13: ffff8807f1e04e80 R14: 000000000000de50 R15: 0000000000080000
>Aug 22 09:03:41 trigger kernel: [346591.176296] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: [346591.176298] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: [346591.176300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: [346591.176302] Stack:
>Aug 22 09:03:41 trigger kernel: [346591.176303]  ffff88081ddc3dd8 ffffffff8104ca81 0000000000000096 00000002816ebd30
>Aug 22 09:03:41 trigger kernel: [346591.176305]  000000000000de48 0000000000000007 0000000000000007 0000000000002710
>Aug 22 09:03:41 trigger kernel: [346591.176307]  ffffffff81c54ac0 ffffffff81d0a6e0 ffffffff81c54ac0 0000000000000007
>Aug 22 09:03:41 trigger kernel: [346591.176309] Call Trace:
>Aug 22 09:03:41 trigger kernel: [346591.176310]  <IRQ> 
>Aug 22 09:03:41 trigger kernel: [346591.176311]  [<ffffffff8104ca81>] __x2apic_send_IPI_mask+0xa1/0x190
>Aug 22 09:03:41 trigger kernel: [346591.176317]  [<ffffffff8104cb8c>] x2apic_send_IPI_all+0x1c/0x20
>Aug 22 09:03:41 trigger kernel: [346591.176319]  [<ffffffff81047ed4>] arch_trigger_all_cpu_backtrace+0x64/0xa0
>Aug 22 09:03:41 trigger kernel: [346591.176321]  [<ffffffff810ed6b4>] rcu_check_callbacks+0x404/0x670
>Aug 22 09:03:41 trigger kernel: [346591.176325]  [<ffffffff810c0ac1>] ? account_process_tick+0x121/0x1b0
>Aug 22 09:03:41 trigger kernel: [346591.176328]  [<ffffffff810973b7>] update_process_times+0x47/0x70
>Aug 22 09:03:41 trigger kernel: [346591.176330]  [<ffffffff810f8a65>] tick_sched_handle.isra.16+0x25/0x60
>Aug 22 09:03:41 trigger kernel: [346591.176332]  [<ffffffff810f8ae1>] tick_sched_timer+0x41/0x60
>Aug 22 09:03:41 trigger kernel: [346591.176334]  [<ffffffff810af634>] __run_hrtimer+0x74/0x1d0
>Aug 22 09:03:41 trigger kernel: [346591.176336]  [<ffffffff810f8aa0>] ? tick_sched_handle.isra.16+0x60/0x60
>Aug 22 09:03:41 trigger kernel: [346591.176338]  [<ffffffff810afe27>] hrtimer_interrupt+0x107/0x250
>Aug 22 09:03:41 trigger kernel: [346591.176341]  [<ffffffff810461d7>] local_apic_timer_interrupt+0x37/0x60
>Aug 22 09:03:41 trigger kernel: [346591.176344]  [<ffffffff81701def>] smp_apic_timer_interrupt+0x3f/0x60
>Aug 22 09:03:41 trigger kernel: [346591.176347]  [<ffffffff8170075d>] apic_timer_interrupt+0x6d/0x80
>Aug 22 09:03:41 trigger kernel: [346591.176348]  <EOI> 
>Aug 22 09:03:41 trigger kernel: [346591.176350]  [<ffffffffa0152c58>] ? nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:03:41 trigger kernel: [346591.176367]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:03:41 trigger kernel: [346591.176369]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:03:41 trigger kernel: [346591.176371]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:03:41 trigger kernel: [346591.176373]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:03:41 trigger kernel: [346591.176375]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:03:41 trigger kernel: [346591.176377]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:03:41 trigger kernel: [346591.176379]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:03:41 trigger kernel: [346591.176380] Code: 32 48 83 ee 40 48 83 c7 40 48 f7 c6 c0 ff ff ff 75 e2 48 85 f6 48 89 f8 74 21 48 8b 02 b9 40 00 00 00 48 c7 c2 ff ff ff ff 29 f1 <48> d3 ea 48 21 d0 74 41 f3 48 0f bc c0 48 01 f8 5d c3 0f 1f 80 
>Aug 22 09:03:41 trigger kernel: [346591.176401] NMI backtrace for cpu 3
>Aug 22 09:03:41 trigger kernel: [346591.176403] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: [346591.176404] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: [346591.176405] task: ffff8807f1818000 ti: ffff8807f1820000 task.ti: ffff8807f1820000
>Aug 22 09:03:41 trigger kernel: [346591.176406] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: [346591.176409] RSP: 0018:ffff8807f1823e30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: [346591.176410] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: [346591.176411] RDX: 0000000000000000 RSI: ffff8807f1823fd8 RDI: 0000000000000003
>Aug 22 09:03:41 trigger kernel: [346591.176412] RBP: ffff8807f1823e60 R08: 00000000ffffffff R09: 0000000000001aaf
>Aug 22 09:03:41 trigger kernel: [346591.176413] R10: 0000000000001a00 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: [346591.176414] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: [346591.176415] FS:  0000000000000000(0000) GS:ffff88081dcc0000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: [346591.176417] CR2: 00007ff5aa7724c8 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: [346591.176418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: [346591.176420] Stack:
>Aug 22 09:03:41 trigger kernel: [346591.176421]  000000038101ba59 18fd03b9f4fde089 ffff88081dcdb900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: [346591.176423]  00013b19768ecd46 0000000000000005 ffff8807f1823e98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: [346591.176425]  ffff8807f1823fd8 ffffffff81d0a660 ffff88081dcdb900 ffff8807f1820000
>Aug 22 09:03:41 trigger kernel: [346591.176426] Call Trace:
>Aug 22 09:03:41 trigger kernel: [346591.176430]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [346591.176432]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [346591.176435]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [346591.176437]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: [346591.176439] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: [346591.176457] NMI backtrace for cpu 6
>Aug 22 09:03:41 trigger kernel: [346591.176460] CPU: 6 PID: 0 Comm: swapper/6 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: [346591.176461] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: [346591.176463] task: ffff8807f1819da0 ti: ffff8807f182c000 task.ti: ffff8807f182c000
>Aug 22 09:03:41 trigger kernel: [346591.176464] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: [346591.176467] RSP: 0018:ffff8807f182fe30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: [346591.176468] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: [346591.176469] RDX: 0000000000000000 RSI: ffff8807f182ffd8 RDI: 0000000000000006
>Aug 22 09:03:41 trigger kernel: [346591.176470] RBP: ffff8807f182fe60 R08: 00000000ffffffff R09: 0000000000001b27
>Aug 22 09:03:41 trigger kernel: [346591.176471] R10: 00000000000019e4 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: [346591.176472] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: [346591.176474] FS:  0000000000000000(0000) GS:ffff88081dd80000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: [346591.176476] CR2: 00007fe0bed5b000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: [346591.176477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176478] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: [346591.176479] Stack:
>Aug 22 09:03:41 trigger kernel: [346591.176480]  000000068101ba59 13d6367bc05ef5c0 ffff88081dd9b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: [346591.176482]  00013b19768f1f48 0000000000000005 ffff8807f182fe98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: [346591.176484]  ffff8807f182ffd8 ffffffff81d0a660 ffff88081dd9b900 ffff8807f182c000
>Aug 22 09:03:41 trigger kernel: [346591.176486] Call Trace:
>Aug 22 09:03:41 trigger kernel: [346591.176489]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [346591.176492]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [346591.176494]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [346591.176497]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: [346591.176498] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: [346591.176519] NMI backtrace for cpu 4
>Aug 22 09:03:41 trigger kernel: [346591.176521] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: [346591.176522] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: [346591.176524] task: ffff8807f18189e0 ti: ffff8807f1824000 task.ti: ffff8807f1824000
>Aug 22 09:03:41 trigger kernel: [346591.176525] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: [346591.176528] RSP: 0018:ffff8807f1827e30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: [346591.176529] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: [346591.176530] RDX: 0000000000000000 RSI: ffff8807f1827fd8 RDI: 0000000000000004
>Aug 22 09:03:41 trigger kernel: [346591.176531] RBP: ffff8807f1827e60 R08: 00000000ffffffff R09: 0000000000001b22
>Aug 22 09:03:41 trigger kernel: [346591.176532] R10: 00000000000019e5 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: [346591.176533] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: [346591.176535] FS:  0000000000000000(0000) GS:ffff88081dd00000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: [346591.176537] CR2: 00007fe0bed5c000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: [346591.176538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: [346591.176540] Stack:
>Aug 22 09:03:41 trigger kernel: [346591.176541]  000000048101ba59 46e5822ae95d854d ffff88081dd1b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: [346591.176543]  00013b19768f1eee 0000000000000005 ffff8807f1827e98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: [346591.176545]  ffff8807f1827fd8 ffffffff81d0a660 ffff88081dd1b900 ffff8807f1824000
>Aug 22 09:03:41 trigger kernel: [346591.176547] Call Trace:
>Aug 22 09:03:41 trigger kernel: [346591.176550]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [346591.176552]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [346591.176555]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [346591.176557]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: [346591.176559] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: [346591.176579] NMI backtrace for cpu 2
>Aug 22 09:03:41 trigger kernel: [346591.176580] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: [346591.176581] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: [346591.176582] task: ffff8807f1ea6ca0 ti: ffff8807f1814000 task.ti: ffff8807f1814000
>Aug 22 09:03:41 trigger kernel: [346591.176582] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: [346591.176584] RSP: 0018:ffff8807f1817e30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: [346591.176585] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: [346591.176585] RDX: 0000000000000000 RSI: ffff8807f1817fd8 RDI: 0000000000000002
>Aug 22 09:03:41 trigger kernel: [346591.176586] RBP: ffff8807f1817e60 R08: 000000000000033d R09: 0000000000000018
>Aug 22 09:03:41 trigger kernel: [346591.176586] R10: 0000000000000fb7 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: [346591.176587] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: [346591.176588] FS:  0000000000000000(0000) GS:ffff88081dc80000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: [346591.176589] CR2: 0000000001cd0778 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: [346591.176590] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176590] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: [346591.176591] Stack:
>Aug 22 09:03:41 trigger kernel: [346591.176591]  000000028101ba59 742afb8aa5432dfb ffff88081dc9b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: [346591.176592]  00013b19768f207f 0000000000000005 ffff8807f1817e98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: [346591.176594]  ffff8807f1817fd8 ffffffff81d0a660 ffff88081dc9b900 ffff8807f1814000
>Aug 22 09:03:41 trigger kernel: [346591.176595] Call Trace:
>Aug 22 09:03:41 trigger kernel: [346591.176597]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [346591.176598]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [346591.176600]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [346591.176601]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: [346591.176602] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: [346591.176614] NMI backtrace for cpu 1
>Aug 22 09:03:41 trigger kernel: [346591.176617] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: [346591.176618] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: [346591.176619] task: ffff8807f1ea62c0 ti: ffff8807f1810000 task.ti: ffff8807f1810000
>Aug 22 09:03:41 trigger kernel: [346591.176620] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: [346591.176623] RSP: 0018:ffff8807f1813e30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: [346591.176624] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: [346591.176625] RDX: 0000000000000000 RSI: ffff8807f1813fd8 RDI: 0000000000000001
>Aug 22 09:03:41 trigger kernel: [346591.176636] RBP: ffff8807f1813e60 R08: 000000000000033c R09: 0000000000000018
>Aug 22 09:03:41 trigger kernel: [346591.176637] R10: 000000000000092e R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: [346591.176638] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: [346591.176639] FS:  0000000000000000(0000) GS:ffff88081dc40000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: [346591.176641] CR2: 00007f493c7113b0 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: [346591.176643] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176644] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: [346591.176644] Stack:
>Aug 22 09:03:41 trigger kernel: [346591.176645]  000000018101ba59 df14e885c631d2f4 ffff88081dc5b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: [346591.176647]  00013b19768f2078 0000000000000005 ffff8807f1813e98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: [346591.176649]  ffff8807f1813fd8 ffffffff81d0a660 ffff88081dc5b900 ffff8807f1810000
>Aug 22 09:03:41 trigger kernel: [346591.176651] Call Trace:
>Aug 22 09:03:41 trigger kernel: [346591.176654]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [346591.176656]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [346591.176659]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [346591.176661]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: [346591.176662] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: [346591.176682] NMI backtrace for cpu 0
>Aug 22 09:03:41 trigger kernel: [346591.176683] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: [346591.176684] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: [346591.176685] task: ffffffff81c18460 ti: ffffffff81c00000 task.ti: ffffffff81c00000
>Aug 22 09:03:41 trigger kernel: [346591.176685] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: [346591.176687] RSP: 0018:ffffffff81c03e38  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: [346591.176687] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: [346591.176688] RDX: 0000000000000000 RSI: ffffffff81c03fd8 RDI: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176689] RBP: ffffffff81c03e68 R08: 000000000000033c R09: 0000000000000018
>Aug 22 09:03:41 trigger kernel: [346591.176689] R10: 0000000000000c29 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: [346591.176690] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: [346591.176691] FS:  0000000000000000(0000) GS:ffff88081dc00000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: [346591.176692] CR2: 00007fdf12005000 CR3: 0000000001c11000 CR4: 00000000001407f0
>Aug 22 09:03:41 trigger kernel: [346591.176692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176693] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: [346591.176693] Stack:
>Aug 22 09:03:41 trigger kernel: [346591.176694]  000000008101ba59 04008cdeba68c528 ffff88081dc1b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: [346591.176695]  00013b19768f38f5 0000000000000005 ffffffff81c03ea0 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: [346591.176696]  ffffffff81c03fd8 ffffffff81d0a660 ffff88081dc1b900 ffffffff81c00000
>Aug 22 09:03:41 trigger kernel: [346591.176697] Call Trace:
>Aug 22 09:03:41 trigger kernel: [346591.176699]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [346591.176701]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [346591.176702]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [346591.176705]  [<ffffffff816e0857>] rest_init+0x77/0x80
>Aug 22 09:03:41 trigger kernel: [346591.176708]  [<ffffffff81d2efd6>] start_kernel+0x45d/0x47e
>Aug 22 09:03:41 trigger kernel: [346591.176709]  [<ffffffff81d2e982>] ? repair_env_string+0x5c/0x5c
>Aug 22 09:03:41 trigger kernel: [346591.176711]  [<ffffffff81d2e120>] ? early_idt_handlers+0x120/0x120
>Aug 22 09:03:41 trigger kernel: [346591.176712]  [<ffffffff81d2e5ee>] x86_64_start_reservations+0x2a/0x2c
>Aug 22 09:03:41 trigger kernel: [346591.176714]  [<ffffffff81d2e73d>] x86_64_start_kernel+0x14d/0x170
>Aug 22 09:03:41 trigger kernel: [346591.176714] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: [346591.176726] NMI backtrace for cpu 5
>Aug 22 09:03:41 trigger kernel: [346591.176727] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: [346591.176728] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: [346591.176729] task: ffff8807f18193c0 ti: ffff8807f1828000 task.ti: ffff8807f1828000
>Aug 22 09:03:41 trigger kernel: [346591.176729] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: [346591.176731] RSP: 0018:ffff8807f182be30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: [346591.176731] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: [346591.176732] RDX: 0000000000000000 RSI: ffff8807f182bfd8 RDI: 0000000000000005
>Aug 22 09:03:41 trigger kernel: [346591.176733] RBP: ffff8807f182be60 R08: 000000000000033d R09: 0000000000000018
>Aug 22 09:03:41 trigger kernel: [346591.176733] R10: 0000000000000f90 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: [346591.176734] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: [346591.176734] FS:  0000000000000000(0000) GS:ffff88081dd40000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176735] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: [346591.176736] CR2: 00007f6276baa058 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: [346591.176736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: [346591.176746] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: [346591.176746] Stack:
>Aug 22 09:03:41 trigger kernel: [346591.176747]  000000058101ba59 462650a0539b90ea ffff88081dd5b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: [346591.176748]  00013b19768f206f 0000000000000005 ffff8807f182be98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: [346591.176749]  ffff8807f182bfd8 ffffffff81d0a660 ffff88081dd5b900 ffff8807f1828000
>Aug 22 09:03:41 trigger kernel: [346591.176750] Call Trace:
>Aug 22 09:03:41 trigger kernel: [346591.176752]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [346591.176753]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [346591.176755]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [346591.176756]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: [346591.176757] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: INFO: rcu_sched self-detected stall on CPU { 7}  (t=240003 jiffies g=3216711 c=3216710 q=62405)
>Aug 22 09:03:41 trigger kernel: sending NMI to all CPUs:
>Aug 22 09:03:41 trigger kernel: NMI backtrace for cpu 7
>Aug 22 09:03:41 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:03:41 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:03:41 trigger kernel: RIP: 0010:[<ffffffff8135fc57>]  [<ffffffff8135fc57>] find_next_bit+0x87/0xe0
>Aug 22 09:03:41 trigger kernel: RSP: 0018:ffff88081ddc3d78  EFLAGS: 00000012
>Aug 22 09:03:41 trigger kernel: RAX: 0000000000000000 RBX: 00000000000000ff RCX: 0000000000000038
>Aug 22 09:03:41 trigger kernel: RDX: ffffffffffffffff RSI: 0000000000000008 RDI: 0000000000000000
>Aug 22 09:03:41 trigger kernel: RBP: ffff88081ddc3d78 R08: ffff8807f198eb80 R09: 0000000000000001
>Aug 22 09:03:41 trigger kernel: R10: 0000000000000000 R11: ffff88081ddc3b16 R12: ffff8807f198eb80
>Aug 22 09:03:41 trigger kernel: R13: ffff8807f1e04e80 R14: 000000000000de50 R15: 0000000000080000
>Aug 22 09:03:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: Stack:
>Aug 22 09:03:41 trigger kernel: ffff88081ddc3dd8 ffffffff8104ca81 0000000000000096 00000002816ebd30
>Aug 22 09:03:41 trigger kernel: 000000000000de48 0000000000000007 0000000000000007 0000000000002710
>Aug 22 09:03:41 trigger kernel: ffffffff81c54ac0 ffffffff81d0a6e0 ffffffff81c54ac0 0000000000000007
>Aug 22 09:03:41 trigger kernel: Call Trace:
>Aug 22 09:03:41 trigger kernel: <IRQ> 
>Aug 22 09:03:41 trigger kernel: 
>Aug 22 09:03:41 trigger kernel: [<ffffffff8104ca81>] __x2apic_send_IPI_mask+0xa1/0x190
>Aug 22 09:03:41 trigger kernel: [<ffffffff8104cb8c>] x2apic_send_IPI_all+0x1c/0x20
>Aug 22 09:03:41 trigger kernel: [<ffffffff81047ed4>] arch_trigger_all_cpu_backtrace+0x64/0xa0
>Aug 22 09:03:41 trigger kernel: [<ffffffff810ed6b4>] rcu_check_callbacks+0x404/0x670
>Aug 22 09:03:41 trigger kernel: [<ffffffff810c0ac1>] ? account_process_tick+0x121/0x1b0
>Aug 22 09:03:41 trigger kernel: [<ffffffff810973b7>] update_process_times+0x47/0x70
>Aug 22 09:03:41 trigger kernel: [<ffffffff810f8a65>] tick_sched_handle.isra.16+0x25/0x60
>Aug 22 09:03:41 trigger kernel: [<ffffffff810f8ae1>] tick_sched_timer+0x41/0x60
>Aug 22 09:03:41 trigger kernel: [<ffffffff810af634>] __run_hrtimer+0x74/0x1d0
>Aug 22 09:03:41 trigger kernel: [<ffffffff810f8aa0>] ? tick_sched_handle.isra.16+0x60/0x60
>Aug 22 09:03:41 trigger kernel: [<ffffffff810afe27>] hrtimer_interrupt+0x107/0x250
>Aug 22 09:03:41 trigger kernel: [<ffffffff810461d7>] local_apic_timer_interrupt+0x37/0x60
>Aug 22 09:03:41 trigger kernel: [<ffffffff81701def>] smp_apic_timer_interrupt+0x3f/0x60
>Aug 22 09:03:41 trigger kernel: [<ffffffff8170075d>] apic_timer_interrupt+0x6d/0x80
>Aug 22 09:03:41 trigger kernel: <EOI> 
>Aug 22 09:03:41 trigger kernel: 
>Aug 22 09:03:41 trigger kernel: [<ffffffffa0152c58>] ? nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:03:41 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:03:41 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:03:41 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:03:41 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:03:41 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:03:41 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:03:41 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:03:41 trigger kernel: Code: 32 48 83 ee 40 48 83 c7 40 48 f7 c6 c0 ff ff ff 75 e2 48 85 f6 48 89 f8 74 21 48 8b 02 b9 40 00 00 00 48 c7 c2 ff ff ff ff 29 f1 <48> d3 ea 48 21 d0 74 41 f3 48 0f bc c0 48 01 f8 5d c3 0f 1f 80 
>Aug 22 09:03:41 trigger kernel: NMI backtrace for cpu 3
>Aug 22 09:03:41 trigger kernel: CPU: 3 PID: 0 Comm: swapper/3 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: task: ffff8807f1818000 ti: ffff8807f1820000 task.ti: ffff8807f1820000
>Aug 22 09:03:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: RSP: 0018:ffff8807f1823e30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1823fd8 RDI: 0000000000000003
>Aug 22 09:03:41 trigger kernel: RBP: ffff8807f1823e60 R08: 00000000ffffffff R09: 0000000000001aaf
>Aug 22 09:03:41 trigger kernel: R10: 0000000000001a00 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dcc0000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: CR2: 00007ff5aa7724c8 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: Stack:
>Aug 22 09:03:41 trigger kernel: 000000038101ba59 18fd03b9f4fde089 ffff88081dcdb900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: 00013b19768ecd46 0000000000000005 ffff8807f1823e98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: ffff8807f1823fd8 ffffffff81d0a660 ffff88081dcdb900 ffff8807f1820000
>Aug 22 09:03:41 trigger kernel: Call Trace:
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: NMI backtrace for cpu 6
>Aug 22 09:03:41 trigger kernel: CPU: 6 PID: 0 Comm: swapper/6 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: task: ffff8807f1819da0 ti: ffff8807f182c000 task.ti: ffff8807f182c000
>Aug 22 09:03:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: RSP: 0018:ffff8807f182fe30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f182ffd8 RDI: 0000000000000006
>Aug 22 09:03:41 trigger kernel: RBP: ffff8807f182fe60 R08: 00000000ffffffff R09: 0000000000001b27
>Aug 22 09:03:41 trigger kernel: R10: 00000000000019e4 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dd80000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: CR2: 00007fe0bed5b000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: Stack:
>Aug 22 09:03:41 trigger kernel: 000000068101ba59 13d6367bc05ef5c0 ffff88081dd9b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: 00013b19768f1f48 0000000000000005 ffff8807f182fe98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: ffff8807f182ffd8 ffffffff81d0a660 ffff88081dd9b900 ffff8807f182c000
>Aug 22 09:03:41 trigger kernel: Call Trace:
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: NMI backtrace for cpu 4
>Aug 22 09:03:41 trigger kernel: CPU: 4 PID: 0 Comm: swapper/4 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: task: ffff8807f18189e0 ti: ffff8807f1824000 task.ti: ffff8807f1824000
>Aug 22 09:03:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: RSP: 0018:ffff8807f1827e30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1827fd8 RDI: 0000000000000004
>Aug 22 09:03:41 trigger kernel: RBP: ffff8807f1827e60 R08: 00000000ffffffff R09: 0000000000001b22
>Aug 22 09:03:41 trigger kernel: R10: 00000000000019e5 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dd00000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: CR2: 00007fe0bed5c000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: Stack:
>Aug 22 09:03:41 trigger kernel: 000000048101ba59 46e5822ae95d854d ffff88081dd1b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: 00013b19768f1eee 0000000000000005 ffff8807f1827e98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: ffff8807f1827fd8 ffffffff81d0a660 ffff88081dd1b900 ffff8807f1824000
>Aug 22 09:03:41 trigger kernel: Call Trace:
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: NMI backtrace for cpu 2
>Aug 22 09:03:41 trigger kernel: CPU: 2 PID: 0 Comm: swapper/2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: task: ffff8807f1ea6ca0 ti: ffff8807f1814000 task.ti: ffff8807f1814000
>Aug 22 09:03:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: RSP: 0018:ffff8807f1817e30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1817fd8 RDI: 0000000000000002
>Aug 22 09:03:41 trigger kernel: RBP: ffff8807f1817e60 R08: 000000000000033d R09: 0000000000000018
>Aug 22 09:03:41 trigger kernel: R10: 0000000000000fb7 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dc80000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: CR2: 0000000001cd0778 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: Stack:
>Aug 22 09:03:41 trigger kernel: 000000028101ba59 742afb8aa5432dfb ffff88081dc9b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: 00013b19768f207f 0000000000000005 ffff8807f1817e98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: ffff8807f1817fd8 ffffffff81d0a660 ffff88081dc9b900 ffff8807f1814000
>Aug 22 09:03:41 trigger kernel: Call Trace:
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: NMI backtrace for cpu 1
>Aug 22 09:03:41 trigger kernel: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: task: ffff8807f1ea62c0 ti: ffff8807f1810000 task.ti: ffff8807f1810000
>Aug 22 09:03:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: RSP: 0018:ffff8807f1813e30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1813fd8 RDI: 0000000000000001
>Aug 22 09:03:41 trigger kernel: RBP: ffff8807f1813e60 R08: 000000000000033c R09: 0000000000000018
>Aug 22 09:03:41 trigger kernel: R10: 000000000000092e R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dc40000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: CR2: 00007f493c7113b0 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: Stack:
>Aug 22 09:03:41 trigger kernel: 000000018101ba59 df14e885c631d2f4 ffff88081dc5b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: 00013b19768f2078 0000000000000005 ffff8807f1813e98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: ffff8807f1813fd8 ffffffff81d0a660 ffff88081dc5b900 ffff8807f1810000
>Aug 22 09:03:41 trigger kernel: Call Trace:
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: NMI backtrace for cpu 0
>Aug 22 09:03:41 trigger kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: task: ffffffff81c18460 ti: ffffffff81c00000 task.ti: ffffffff81c00000
>Aug 22 09:03:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: RSP: 0018:ffffffff81c03e38  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: RDX: 0000000000000000 RSI: ffffffff81c03fd8 RDI: 0000000000000000
>Aug 22 09:03:41 trigger kernel: RBP: ffffffff81c03e68 R08: 000000000000033c R09: 0000000000000018
>Aug 22 09:03:41 trigger kernel: R10: 0000000000000c29 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dc00000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: CR2: 00007fdf12005000 CR3: 0000000001c11000 CR4: 00000000001407f0
>Aug 22 09:03:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: Stack:
>Aug 22 09:03:41 trigger kernel: 000000008101ba59 04008cdeba68c528 ffff88081dc1b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: 00013b19768f38f5 0000000000000005 ffffffff81c03ea0 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: ffffffff81c03fd8 ffffffff81d0a660 ffff88081dc1b900 ffffffff81c00000
>Aug 22 09:03:41 trigger kernel: Call Trace:
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [<ffffffff816e0857>] rest_init+0x77/0x80
>Aug 22 09:03:41 trigger kernel: [<ffffffff81d2efd6>] start_kernel+0x45d/0x47e
>Aug 22 09:03:41 trigger kernel: [<ffffffff81d2e982>] ? repair_env_string+0x5c/0x5c
>Aug 22 09:03:41 trigger kernel: [<ffffffff81d2e120>] ? early_idt_handlers+0x120/0x120
>Aug 22 09:03:41 trigger kernel: [<ffffffff81d2e5ee>] x86_64_start_reservations+0x2a/0x2c
>Aug 22 09:03:41 trigger kernel: [<ffffffff81d2e73d>] x86_64_start_kernel+0x14d/0x170
>Aug 22 09:03:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:41 trigger kernel: NMI backtrace for cpu 5
>Aug 22 09:03:41 trigger kernel: CPU: 5 PID: 0 Comm: swapper/5 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:03:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:03:41 trigger kernel: task: ffff8807f18193c0 ti: ffff8807f1828000 task.ti: ffff8807f1828000
>Aug 22 09:03:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:03:41 trigger kernel: RSP: 0018:ffff8807f182be30  EFLAGS: 00000046
>Aug 22 09:03:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:03:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f182bfd8 RDI: 0000000000000005
>Aug 22 09:03:41 trigger kernel: RBP: ffff8807f182be60 R08: 000000000000033d R09: 0000000000000018
>Aug 22 09:03:41 trigger kernel: R10: 0000000000000f90 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:03:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:03:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dd40000(0000) knlGS:0000000000000000
>Aug 22 09:03:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:03:41 trigger kernel: CR2: 00007f6276baa058 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:03:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:03:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:03:41 trigger kernel: Stack:
>Aug 22 09:03:41 trigger kernel: 000000058101ba59 462650a0539b90ea ffff88081dd5b900 ffffffff81ca53e0
>Aug 22 09:03:41 trigger kernel: 00013b19768f206f 0000000000000005 ffff8807f182be98 ffffffff81588a00
>Aug 22 09:03:41 trigger kernel: ffff8807f182bfd8 ffffffff81d0a660 ffff88081dd5b900 ffff8807f1828000
>Aug 22 09:03:41 trigger kernel: Call Trace:
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:03:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:03:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:03:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:03:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:03:56 trigger fprintd: ** Message: No devices in use, exit
>Aug 22 09:04:06 trigger kernel: [346615.779827] BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:04:06 trigger kernel: [346615.781228] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:04:06 trigger kernel: [346615.781260] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:04:06 trigger kernel: [346615.781261] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:04:06 trigger kernel: [346615.781280] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:04:06 trigger kernel: [346615.781282] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:04:06 trigger kernel: [346615.781283] RIP: 0010:[<ffffffffa0152c5d>]  [<ffffffffa0152c5d>] nve0_fifo_recover_work+0x7d/0x330 [nouveau]
>Aug 22 09:04:06 trigger kernel: [346615.781303] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:04:06 trigger kernel: [346615.781304] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:04:06 trigger kernel: [346615.781305] RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:04:06 trigger kernel: [346615.781305] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:04:06 trigger kernel: [346615.781306] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:04:06 trigger kernel: [346615.781306] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:04:06 trigger kernel: [346615.781307] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:04:06 trigger kernel: [346615.781308] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:04:06 trigger kernel: [346615.781309] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:04:06 trigger kernel: [346615.781310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:04:06 trigger kernel: [346615.781310] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:04:06 trigger kernel: [346615.781311] Stack:
>Aug 22 09:04:06 trigger kernel: [346615.781311]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:04:06 trigger kernel: [346615.781313]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:04:06 trigger kernel: [346615.781314]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:04:06 trigger kernel: [346615.781315] Call Trace:
>Aug 22 09:04:06 trigger kernel: [346615.781319]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:04:06 trigger kernel: [346615.781320]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:04:06 trigger kernel: [346615.781322]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:04:06 trigger kernel: [346615.781323]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:04:06 trigger kernel: [346615.781325]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:04:06 trigger kernel: [346615.781327]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:04:06 trigger kernel: [346615.781328]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:04:06 trigger kernel: [346615.781329] Code: ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 <0f> 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 f3 48 
>Aug 22 09:04:06 trigger kernel: BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:04:06 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:04:06 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:04:06 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:04:06 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:04:06 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:04:06 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:04:06 trigger kernel: RIP: 0010:[<ffffffffa0152c5d>]  [<ffffffffa0152c5d>] nve0_fifo_recover_work+0x7d/0x330 [nouveau]
>Aug 22 09:04:06 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:04:06 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:04:06 trigger kernel: RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:04:06 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:04:06 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:04:06 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:04:06 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:04:06 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:04:06 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:04:06 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:04:06 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:04:06 trigger kernel: Stack:
>Aug 22 09:04:06 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:04:06 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:04:06 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:04:06 trigger kernel: Call Trace:
>Aug 22 09:04:06 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:04:06 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:04:06 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:04:06 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:04:06 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:04:06 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:04:06 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:04:06 trigger kernel: Code: ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 <0f> 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 f3 48 
>Aug 22 09:04:10 trigger yum[9455]: Updated: chkconfig-1.3.62-1.fc20.x86_64
>Aug 22 09:04:19 trigger yum[9455]: Updated: selinux-policy-3.12.1-180.fc20.noarch
>Aug 22 09:04:21 trigger yum[9455]: Updated: lz4-r121-2.fc20.x86_64
>Aug 22 09:04:21 trigger yum[9455]: Updated: lz4-devel-r121-2.fc20.x86_64
>Aug 22 09:04:26 trigger systemd: Starting Cleanup of Temporary Directories...
>Aug 22 09:04:26 trigger systemd: Started Cleanup of Temporary Directories.
>Aug 22 09:04:28 trigger systemd: Starting Getty on tty3...
>Aug 22 09:04:28 trigger systemd: Started Getty on tty3.
>Aug 22 09:04:30 trigger dbus-daemon: dbus[664]: [system] Activating via systemd: service name='net.reactivated.Fprint' unit='fprintd.service'
>Aug 22 09:04:30 trigger dbus[664]: [system] Activating via systemd: service name='net.reactivated.Fprint' unit='fprintd.service'
>Aug 22 09:04:30 trigger systemd: Starting Fingerprint Authentication Daemon...
>Aug 22 09:04:30 trigger dbus-daemon: dbus[664]: [system] Successfully activated service 'net.reactivated.Fprint'
>Aug 22 09:04:30 trigger dbus[664]: [system] Successfully activated service 'net.reactivated.Fprint'
>Aug 22 09:04:30 trigger systemd: Started Fingerprint Authentication Daemon.
>Aug 22 09:04:30 trigger fprintd: Launching FprintObject
>Aug 22 09:04:30 trigger fprintd: ** Message: D-Bus service launched with name: net.reactivated.Fprint
>Aug 22 09:04:30 trigger fprintd: ** Message: entering main loop
>Aug 22 09:04:31 trigger systemd-logind: New session 160 of user camey.
>Aug 22 09:04:31 trigger systemd: Starting Session 160 of user camey.
>Aug 22 09:04:31 trigger systemd: Started Session 160 of user camey.
>Aug 22 09:04:34 trigger kernel: [346643.790803] BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:04:34 trigger kernel: [346643.792243] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:04:34 trigger kernel: [346643.792274] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:04:34 trigger kernel: [346643.792275] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:04:34 trigger kernel: [346643.792292] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:04:34 trigger kernel: [346643.792294] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:04:34 trigger kernel: [346643.792294] RIP: 0010:[<ffffffffa0152c6d>]  [<ffffffffa0152c6d>] nve0_fifo_recover_work+0x8d/0x330 [nouveau]
>Aug 22 09:04:34 trigger kernel: [346643.792305] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000202
>Aug 22 09:04:34 trigger kernel: [346643.792306] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:04:34 trigger kernel: [346643.792306] RDX: fffffffffffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:04:34 trigger kernel: [346643.792307] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:04:34 trigger kernel: [346643.792308] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:04:34 trigger kernel: [346643.792308] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:04:34 trigger kernel: [346643.792309] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:04:34 trigger kernel: [346643.792310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:04:34 trigger kernel: [346643.792310] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:04:34 trigger kernel: [346643.792311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:04:34 trigger kernel: [346643.792312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:04:34 trigger kernel: [346643.792312] Stack:
>Aug 22 09:04:34 trigger kernel: [346643.792313]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:04:34 trigger kernel: [346643.792314]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:04:34 trigger kernel: [346643.792315]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:04:34 trigger kernel: [346643.792317] Call Trace:
>Aug 22 09:04:34 trigger kernel: [346643.792321]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:04:34 trigger kernel: [346643.792322]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:04:34 trigger kernel: [346643.792323]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:04:34 trigger kernel: [346643.792325]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:04:34 trigger kernel: [346643.792326]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:04:34 trigger kernel: [346643.792329]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:04:34 trigger kernel: [346643.792330]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:04:34 trigger kernel: [346643.792330] Code: 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 <48> 21 d0 f3 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 78 ff ff 
>Aug 22 09:04:34 trigger kernel: BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:04:34 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:04:34 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:04:34 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:04:34 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:04:34 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:04:34 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:04:34 trigger kernel: RIP: 0010:[<ffffffffa0152c6d>]  [<ffffffffa0152c6d>] nve0_fifo_recover_work+0x8d/0x330 [nouveau]
>Aug 22 09:04:34 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000202
>Aug 22 09:04:34 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:04:34 trigger kernel: RDX: fffffffffffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:04:34 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:04:34 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:04:34 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:04:34 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:04:34 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:04:34 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:04:34 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:04:34 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:04:34 trigger kernel: Stack:
>Aug 22 09:04:34 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:04:34 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:04:34 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:04:34 trigger kernel: Call Trace:
>Aug 22 09:04:34 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:04:34 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:04:34 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:04:34 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:04:34 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:04:34 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:04:34 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:04:34 trigger kernel: Code: 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 <48> 21 d0 f3 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 78 ff ff 
>Aug 22 09:05:01 trigger fprintd: ** Message: No devices in use, exit
>Aug 22 09:05:02 trigger kernel: [346671.801780] BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:05:02 trigger kernel: [346671.803244] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:05:02 trigger kernel: [346671.803275] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:05:02 trigger kernel: [346671.803277] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:05:02 trigger kernel: [346671.803294] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:05:02 trigger kernel: [346671.803295] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:05:02 trigger kernel: [346671.803296] RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:05:02 trigger kernel: [346671.803307] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:05:02 trigger kernel: [346671.803308] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:05:02 trigger kernel: [346671.803308] RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:05:02 trigger kernel: [346671.803309] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:05:02 trigger kernel: [346671.803310] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:05:02 trigger kernel: [346671.803310] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:05:02 trigger kernel: [346671.803311] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:05:02 trigger kernel: [346671.803312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:05:02 trigger kernel: [346671.803312] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:05:02 trigger kernel: [346671.803313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:05:02 trigger kernel: [346671.803314] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:05:02 trigger kernel: [346671.803314] Stack:
>Aug 22 09:05:02 trigger kernel: [346671.803315]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:05:02 trigger kernel: [346671.803316]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:05:02 trigger kernel: [346671.803317]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:05:02 trigger kernel: [346671.803318] Call Trace:
>Aug 22 09:05:02 trigger kernel: [346671.803323]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:05:02 trigger kernel: [346671.803324]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:05:02 trigger kernel: [346671.803325]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:05:02 trigger kernel: [346671.803327]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:05:02 trigger kernel: [346671.803328]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:02 trigger kernel: [346671.803331]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:05:02 trigger kernel: [346671.803332]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:02 trigger kernel: [346671.803332] Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:05:02 trigger kernel: BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:05:02 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:05:02 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:05:02 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:05:02 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:05:02 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:05:02 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:05:02 trigger kernel: RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:05:02 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:05:02 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:05:02 trigger kernel: RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:05:02 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:05:02 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:05:02 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:05:02 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:05:02 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:05:02 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:05:02 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:05:02 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:05:02 trigger kernel: Stack:
>Aug 22 09:05:02 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:05:02 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:05:02 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:05:02 trigger kernel: Call Trace:
>Aug 22 09:05:02 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:05:02 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:05:02 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:05:02 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:05:02 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:02 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:05:02 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:02 trigger kernel: Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:05:30 trigger kernel: [346699.812757] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:05:30 trigger kernel: [346699.812786] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:05:30 trigger kernel: [346699.812826] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:05:30 trigger kernel: [346699.812827] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:05:30 trigger kernel: [346699.812844] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:05:30 trigger kernel: [346699.812845] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:05:30 trigger kernel: [346699.812846] RIP: 0010:[<ffffffffa0152c70>]  [<ffffffffa0152c70>] nve0_fifo_recover_work+0x90/0x330 [nouveau]
>Aug 22 09:05:30 trigger kernel: [346699.812857] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:05:30 trigger kernel: [346699.812858] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:05:30 trigger kernel: [346699.812859] RDX: fffffffffffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:05:30 trigger kernel: [346699.812859] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:05:30 trigger kernel: [346699.812860] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:05:30 trigger kernel: [346699.812860] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:05:30 trigger kernel: [346699.812861] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:05:30 trigger kernel: [346699.812862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:05:30 trigger kernel: [346699.812863] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:05:30 trigger kernel: [346699.812864] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:05:30 trigger kernel: [346699.812864] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:05:30 trigger kernel: [346699.812865] Stack:
>Aug 22 09:05:30 trigger kernel: [346699.812865]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:05:30 trigger kernel: [346699.812866]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:05:30 trigger kernel: [346699.812868]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:05:30 trigger kernel: [346699.812869] Call Trace:
>Aug 22 09:05:30 trigger kernel: [346699.812872]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:05:30 trigger kernel: [346699.812874]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:05:30 trigger kernel: [346699.812875]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:05:30 trigger kernel: [346699.812877]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:05:30 trigger kernel: [346699.812878]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:30 trigger kernel: [346699.812881]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:05:30 trigger kernel: [346699.812882]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:30 trigger kernel: [346699.812882] Code: 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 <f3> 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 78 ff ff ff f3 4c 
>Aug 22 09:05:30 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:05:30 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:05:30 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:05:30 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:05:30 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:05:30 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:05:30 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:05:30 trigger kernel: RIP: 0010:[<ffffffffa0152c70>]  [<ffffffffa0152c70>] nve0_fifo_recover_work+0x90/0x330 [nouveau]
>Aug 22 09:05:30 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:05:30 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:05:30 trigger kernel: RDX: fffffffffffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:05:30 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:05:30 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:05:30 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:05:30 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:05:30 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:05:30 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:05:30 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:05:30 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:05:30 trigger kernel: Stack:
>Aug 22 09:05:30 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:05:30 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:05:30 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:05:30 trigger kernel: Call Trace:
>Aug 22 09:05:30 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:05:30 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:05:30 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:05:30 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:05:30 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:30 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:05:30 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:30 trigger kernel: Code: 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 <f3> 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 78 ff ff ff f3 4c 
>Aug 22 09:05:58 trigger kernel: [346727.823735] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:05:58 trigger kernel: [346727.823773] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:05:58 trigger kernel: [346727.823814] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:05:58 trigger kernel: [346727.823815] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:05:58 trigger kernel: [346727.823832] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:05:58 trigger kernel: [346727.823833] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:05:58 trigger kernel: [346727.823834] RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:05:58 trigger kernel: [346727.823845] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:05:58 trigger kernel: [346727.823846] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:05:58 trigger kernel: [346727.823846] RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:05:58 trigger kernel: [346727.823847] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:05:58 trigger kernel: [346727.823848] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:05:58 trigger kernel: [346727.823848] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:05:58 trigger kernel: [346727.823849] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:05:58 trigger kernel: [346727.823850] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:05:58 trigger kernel: [346727.823850] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:05:58 trigger kernel: [346727.823851] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:05:58 trigger kernel: [346727.823852] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:05:58 trigger kernel: [346727.823852] Stack:
>Aug 22 09:05:58 trigger kernel: [346727.823853]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:05:58 trigger kernel: [346727.823854]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:05:58 trigger kernel: [346727.823855]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:05:58 trigger kernel: [346727.823856] Call Trace:
>Aug 22 09:05:58 trigger kernel: [346727.823861]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:05:58 trigger kernel: [346727.823862]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:05:58 trigger kernel: [346727.823863]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:05:58 trigger kernel: [346727.823865]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:05:58 trigger kernel: [346727.823866]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:58 trigger kernel: [346727.823869]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:05:58 trigger kernel: [346727.823870]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:58 trigger kernel: [346727.823871] Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:05:58 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:05:58 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:05:58 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:05:58 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:05:58 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:05:58 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:05:58 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:05:58 trigger kernel: RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:05:58 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:05:58 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:05:58 trigger kernel: RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:05:58 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:05:58 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:05:58 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:05:58 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:05:58 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:05:58 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:05:58 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:05:58 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:05:58 trigger kernel: Stack:
>Aug 22 09:05:58 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:05:58 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:05:58 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:05:58 trigger kernel: Call Trace:
>Aug 22 09:05:58 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:05:58 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:05:58 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:05:58 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:05:58 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:58 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:05:58 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:05:58 trigger kernel: Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:06:26 trigger kernel: [346755.834711] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:06:26 trigger kernel: [346755.834742] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:06:26 trigger kernel: [346755.834789] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:26 trigger kernel: [346755.834790] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:26 trigger kernel: [346755.834807] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:06:26 trigger kernel: [346755.834808] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:06:26 trigger kernel: [346755.834809] RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:06:26 trigger kernel: [346755.834820] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:06:26 trigger kernel: [346755.834821] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:06:26 trigger kernel: [346755.834821] RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:06:26 trigger kernel: [346755.834822] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:06:26 trigger kernel: [346755.834823] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:06:26 trigger kernel: [346755.834823] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:06:26 trigger kernel: [346755.834824] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:06:26 trigger kernel: [346755.834825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:26 trigger kernel: [346755.834826] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:26 trigger kernel: [346755.834827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:26 trigger kernel: [346755.834827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:26 trigger kernel: [346755.834828] Stack:
>Aug 22 09:06:26 trigger kernel: [346755.834828]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:06:26 trigger kernel: [346755.834829]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:06:26 trigger kernel: [346755.834831]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:06:26 trigger kernel: [346755.834832] Call Trace:
>Aug 22 09:06:26 trigger kernel: [346755.834836]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:06:26 trigger kernel: [346755.834837]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:06:26 trigger kernel: [346755.834839]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:06:26 trigger kernel: [346755.834840]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:06:26 trigger kernel: [346755.834841]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:06:26 trigger kernel: [346755.834844]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:06:26 trigger kernel: [346755.834845]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:06:26 trigger kernel: [346755.834846] Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:06:26 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:06:26 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:06:26 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:06:26 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:26 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:26 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:06:26 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:06:26 trigger kernel: RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:06:26 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:06:26 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:06:26 trigger kernel: RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:06:26 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:06:26 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:06:26 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:06:26 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:06:26 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:26 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:26 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:26 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:26 trigger kernel: Stack:
>Aug 22 09:06:26 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:06:26 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:06:26 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:06:26 trigger kernel: Call Trace:
>Aug 22 09:06:26 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:06:26 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:06:26 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:06:26 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:06:26 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:06:26 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:06:26 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:06:26 trigger kernel: Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:06:41 trigger kernel: [346771.249752] INFO: rcu_sched self-detected stall on CPU { 7}  (t=420006 jiffies g=3216711 c=3216710 q=165826)
>Aug 22 09:06:41 trigger kernel: [346771.249804] sending NMI to all CPUs:
>Aug 22 09:06:41 trigger kernel: [346771.249808] NMI backtrace for cpu 7
>Aug 22 09:06:41 trigger kernel: [346771.249821] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: [346771.249822] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: [346771.249851] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:06:41 trigger kernel: [346771.249853] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:06:41 trigger kernel: [346771.249854] RIP: 0010:[<ffffffff8135fc7d>]  [<ffffffff8135fc7d>] find_next_bit+0xad/0xe0
>Aug 22 09:06:41 trigger kernel: [346771.249858] RSP: 0018:ffff88081ddc3d78  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: [346771.249859] RAX: 0000000000000000 RBX: 00000000000000ff RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.249861] RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.249862] RBP: ffff88081ddc3d78 R08: ffff8807f198eb80 R09: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.249863] R10: 0000000000000000 R11: ffff88081ddc3b16 R12: ffff8807f198eb80
>Aug 22 09:06:41 trigger kernel: [346771.249864] R13: ffff8807f1e04e80 R14: 000000000000de50 R15: 0000000000080000
>Aug 22 09:06:41 trigger kernel: [346771.249865] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.249866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: [346771.249868] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: [346771.249869] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.249870] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: [346771.249871] Stack:
>Aug 22 09:06:41 trigger kernel: [346771.249872]  ffff88081ddc3dd8 ffffffff8104ca81 0000000000000096 00000002816ebd30
>Aug 22 09:06:41 trigger kernel: [346771.249874]  000000000000de48 0000000000000007 0000000000000007 0000000000002710
>Aug 22 09:06:41 trigger kernel: [346771.249876]  ffffffff81c54ac0 ffffffff81d0a6e0 ffffffff81c54ac0 0000000000000007
>Aug 22 09:06:41 trigger kernel: [346771.249878] Call Trace:
>Aug 22 09:06:41 trigger kernel: [346771.249879]  <IRQ> 
>Aug 22 09:06:41 trigger kernel: [346771.249880]  [<ffffffff8104ca81>] __x2apic_send_IPI_mask+0xa1/0x190
>Aug 22 09:06:41 trigger kernel: [346771.249885]  [<ffffffff8104cb8c>] x2apic_send_IPI_all+0x1c/0x20
>Aug 22 09:06:41 trigger kernel: [346771.249888]  [<ffffffff81047ed4>] arch_trigger_all_cpu_backtrace+0x64/0xa0
>Aug 22 09:06:41 trigger kernel: [346771.249890]  [<ffffffff810ed6b4>] rcu_check_callbacks+0x404/0x670
>Aug 22 09:06:41 trigger kernel: [346771.249894]  [<ffffffff810c0ac1>] ? account_process_tick+0x121/0x1b0
>Aug 22 09:06:41 trigger kernel: [346771.249897]  [<ffffffff810973b7>] update_process_times+0x47/0x70
>Aug 22 09:06:41 trigger kernel: [346771.249899]  [<ffffffff810f8a65>] tick_sched_handle.isra.16+0x25/0x60
>Aug 22 09:06:41 trigger kernel: [346771.249901]  [<ffffffff810f8ae1>] tick_sched_timer+0x41/0x60
>Aug 22 09:06:41 trigger kernel: [346771.249903]  [<ffffffff810af634>] __run_hrtimer+0x74/0x1d0
>Aug 22 09:06:41 trigger kernel: [346771.249905]  [<ffffffff810f8aa0>] ? tick_sched_handle.isra.16+0x60/0x60
>Aug 22 09:06:41 trigger kernel: [346771.249907]  [<ffffffff810afe27>] hrtimer_interrupt+0x107/0x250
>Aug 22 09:06:41 trigger kernel: [346771.249910]  [<ffffffff810461d7>] local_apic_timer_interrupt+0x37/0x60
>Aug 22 09:06:41 trigger kernel: [346771.249913]  [<ffffffff81701def>] smp_apic_timer_interrupt+0x3f/0x60
>Aug 22 09:06:41 trigger kernel: [346771.249916]  [<ffffffff8170075d>] apic_timer_interrupt+0x6d/0x80
>Aug 22 09:06:41 trigger kernel: [346771.249917]  <EOI> 
>Aug 22 09:06:41 trigger kernel: [346771.249919]  [<ffffffffa0152c6d>] ? nve0_fifo_recover_work+0x8d/0x330 [nouveau]
>Aug 22 09:06:41 trigger kernel: [346771.249935]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:06:41 trigger kernel: [346771.249937]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:06:41 trigger kernel: [346771.249939]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:06:41 trigger kernel: [346771.249941]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:06:41 trigger kernel: [346771.249943]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:06:41 trigger kernel: [346771.249946]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:06:41 trigger kernel: [346771.249947]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:06:41 trigger kernel: [346771.249948] Code: ff ff ff 29 f1 48 d3 ea 48 21 d0 74 41 f3 48 0f bc c0 48 01 f8 5d c3 0f 1f 80 00 00 00 00 48 c7 c0 ff ff ff ff 48 d3 e0 49 23 00 <48> 83 fe 3f 76 c6 48 85 c0 75 d7 49 83 c0 08 48 83 ee 40 48 83 
>Aug 22 09:06:41 trigger kernel: [346771.249969] NMI backtrace for cpu 3
>Aug 22 09:06:41 trigger kernel: [346771.249971] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: [346771.249972] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: [346771.249973] task: ffff8807f1818000 ti: ffff8807f1820000 task.ti: ffff8807f1820000
>Aug 22 09:06:41 trigger kernel: [346771.249974] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: [346771.249977] RSP: 0018:ffff8807f1823e30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: [346771.249978] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.249979] RDX: 0000000000000000 RSI: ffff8807f1823fd8 RDI: 0000000000000003
>Aug 22 09:06:41 trigger kernel: [346771.249980] RBP: ffff8807f1823e60 R08: 00000000ffffffff R09: 0000000000001aaa
>Aug 22 09:06:41 trigger kernel: [346771.249981] R10: 0000000000001a00 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: [346771.249982] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: [346771.249983] FS:  0000000000000000(0000) GS:ffff88081dcc0000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.249984] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: [346771.249985] CR2: 00007f493a55e000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: [346771.249986] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.249987] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: [346771.249988] Stack:
>Aug 22 09:06:41 trigger kernel: [346771.249989]  000000038101ba59 18fd03b9f4fde089 ffff88081dcdb900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: [346771.249991]  00013b435f929c0d 0000000000000005 ffff8807f1823e98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: [346771.249993]  ffff8807f1823fd8 ffffffff81d0a660 ffff88081dcdb900 ffff8807f1820000
>Aug 22 09:06:41 trigger kernel: [346771.249994] Call Trace:
>Aug 22 09:06:41 trigger kernel: [346771.249998]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [346771.250000]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [346771.250003]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [346771.250005]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: [346771.250006] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: [346771.250025] NMI backtrace for cpu 2
>Aug 22 09:06:41 trigger kernel: [346771.250028] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: [346771.250029] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: [346771.250031] task: ffff8807f1ea6ca0 ti: ffff8807f1814000 task.ti: ffff8807f1814000
>Aug 22 09:06:41 trigger kernel: [346771.250032] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: [346771.250035] RSP: 0018:ffff8807f1817e30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: [346771.250036] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.250037] RDX: 0000000000000000 RSI: ffff8807f1817fd8 RDI: 0000000000000002
>Aug 22 09:06:41 trigger kernel: [346771.250038] RBP: ffff8807f1817e60 R08: 000000000000033d R09: 0000000000000018
>Aug 22 09:06:41 trigger kernel: [346771.250039] R10: 0000000000000e37 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: [346771.250040] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: [346771.250042] FS:  0000000000000000(0000) GS:ffff88081dc80000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: [346771.250044] CR2: 00007fb81efe5000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: [346771.250045] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250047] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: [346771.250047] Stack:
>Aug 22 09:06:41 trigger kernel: [346771.250048]  000000028101ba59 742afb8aa5432dfb ffff88081dc9b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: [346771.250050]  00013b435f92f032 0000000000000005 ffff8807f1817e98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: [346771.250052]  ffff8807f1817fd8 ffffffff81d0a660 ffff88081dc9b900 ffff8807f1814000
>Aug 22 09:06:41 trigger kernel: [346771.250054] Call Trace:
>Aug 22 09:06:41 trigger kernel: [346771.250057]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [346771.250060]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [346771.250062]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [346771.250065]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: [346771.250066] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: [346771.250087] NMI backtrace for cpu 0
>Aug 22 09:06:41 trigger kernel: [346771.250089] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: [346771.250090] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: [346771.250092] task: ffffffff81c18460 ti: ffffffff81c00000 task.ti: ffffffff81c00000
>Aug 22 09:06:41 trigger kernel: [346771.250093] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: [346771.250096] RSP: 0018:ffffffff81c03e38  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: [346771.250097] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.250098] RDX: 0000000000000000 RSI: ffffffff81c03fd8 RDI: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250099] RBP: ffffffff81c03e68 R08: 00000000ffffffff R09: 0000000000001b29
>Aug 22 09:06:41 trigger kernel: [346771.250100] R10: 00000000000019db R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: [346771.250101] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: [346771.250103] FS:  0000000000000000(0000) GS:ffff88081dc00000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: [346771.250105] CR2: 00007fb7fce24000 CR3: 0000000001c11000 CR4: 00000000001407f0
>Aug 22 09:06:41 trigger kernel: [346771.250106] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250107] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: [346771.250108] Stack:
>Aug 22 09:06:41 trigger kernel: [346771.250109]  000000008101ba59 04008cdeba68c528 ffff88081dc1b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: [346771.250111]  00013b435f93055f 0000000000000005 ffffffff81c03ea0 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: [346771.250113]  ffffffff81c03fd8 ffffffff81d0a660 ffff88081dc1b900 ffffffff81c00000
>Aug 22 09:06:41 trigger kernel: [346771.250115] Call Trace:
>Aug 22 09:06:41 trigger kernel: [346771.250118]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [346771.250120]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [346771.250123]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [346771.250126]  [<ffffffff816e0857>] rest_init+0x77/0x80
>Aug 22 09:06:41 trigger kernel: [346771.250130]  [<ffffffff81d2efd6>] start_kernel+0x45d/0x47e
>Aug 22 09:06:41 trigger kernel: [346771.250132]  [<ffffffff81d2e982>] ? repair_env_string+0x5c/0x5c
>Aug 22 09:06:41 trigger kernel: [346771.250134]  [<ffffffff81d2e120>] ? early_idt_handlers+0x120/0x120
>Aug 22 09:06:41 trigger kernel: [346771.250136]  [<ffffffff81d2e5ee>] x86_64_start_reservations+0x2a/0x2c
>Aug 22 09:06:41 trigger kernel: [346771.250138]  [<ffffffff81d2e73d>] x86_64_start_kernel+0x14d/0x170
>Aug 22 09:06:41 trigger kernel: [346771.250139] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: [346771.250159] NMI backtrace for cpu 4
>Aug 22 09:06:41 trigger kernel: [346771.250161] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: [346771.250162] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: [346771.250163] task: ffff8807f18189e0 ti: ffff8807f1824000 task.ti: ffff8807f1824000
>Aug 22 09:06:41 trigger kernel: [346771.250164] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: [346771.250165] RSP: 0018:ffff8807f1827e30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: [346771.250166] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.250167] RDX: 0000000000000000 RSI: ffff8807f1827fd8 RDI: 0000000000000004
>Aug 22 09:06:41 trigger kernel: [346771.250167] RBP: ffff8807f1827e60 R08: 00000000ffffffff R09: 0000000000001b22
>Aug 22 09:06:41 trigger kernel: [346771.250168] R10: 00000000000019e9 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: [346771.250168] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: [346771.250169] FS:  0000000000000000(0000) GS:ffff88081dd00000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: [346771.250171] CR2: 00007effde375000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: [346771.250171] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250172] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: [346771.250172] Stack:
>Aug 22 09:06:41 trigger kernel: [346771.250173]  000000048101ba59 46e5822ae95d854d ffff88081dd1b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: [346771.250174]  00013b435f92ee88 0000000000000005 ffff8807f1827e98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: [346771.250175]  ffff8807f1827fd8 ffffffff81d0a660 ffff88081dd1b900 ffff8807f1824000
>Aug 22 09:06:41 trigger kernel: [346771.250176] Call Trace:
>Aug 22 09:06:41 trigger kernel: [346771.250178]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [346771.250180]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [346771.250181]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [346771.250183]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: [346771.250184] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: [346771.250196] NMI backtrace for cpu 6
>Aug 22 09:06:41 trigger kernel: [346771.250197] CPU: 6 PID: 0 Comm: swapper/6 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: [346771.250198] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: [346771.250198] task: ffff8807f1819da0 ti: ffff8807f182c000 task.ti: ffff8807f182c000
>Aug 22 09:06:41 trigger kernel: [346771.250199] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: [346771.250201] RSP: 0018:ffff8807f182fe30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: [346771.250201] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.250202] RDX: 0000000000000000 RSI: ffff8807f182ffd8 RDI: 0000000000000006
>Aug 22 09:06:41 trigger kernel: [346771.250203] RBP: ffff8807f182fe60 R08: 00000000ffffffff R09: 0000000000001b22
>Aug 22 09:06:41 trigger kernel: [346771.250203] R10: 00000000000019e6 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: [346771.250204] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: [346771.250205] FS:  0000000000000000(0000) GS:ffff88081dd80000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: [346771.250206] CR2: 00007fd52c276000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: [346771.250207] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250207] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: [346771.250217] Stack:
>Aug 22 09:06:41 trigger kernel: [346771.250217]  000000068101ba59 13d6367bc05ef5c0 ffff88081dd9b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: [346771.250218]  00013b435f92eefb 0000000000000005 ffff8807f182fe98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: [346771.250219]  ffff8807f182ffd8 ffffffff81d0a660 ffff88081dd9b900 ffff8807f182c000
>Aug 22 09:06:41 trigger kernel: [346771.250221] Call Trace:
>Aug 22 09:06:41 trigger kernel: [346771.250222]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [346771.250224]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [346771.250225]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [346771.250227]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: [346771.250228] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: [346771.250239] NMI backtrace for cpu 1
>Aug 22 09:06:41 trigger kernel: [346771.250242] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: [346771.250243] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: [346771.250244] task: ffff8807f1ea62c0 ti: ffff8807f1810000 task.ti: ffff8807f1810000
>Aug 22 09:06:41 trigger kernel: [346771.250245] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: [346771.250249] RSP: 0018:ffff8807f1813e30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: [346771.250250] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.250251] RDX: 0000000000000000 RSI: ffff8807f1813fd8 RDI: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.250261] RBP: ffff8807f1813e60 R08: 00000000ffffffff R09: 0000000000001b51
>Aug 22 09:06:41 trigger kernel: [346771.250262] R10: 0000000000001926 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: [346771.250263] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: [346771.250264] FS:  0000000000000000(0000) GS:ffff88081dc40000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: [346771.250266] CR2: 00007fb7fce43000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: [346771.250267] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250268] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: [346771.250269] Stack:
>Aug 22 09:06:41 trigger kernel: [346771.250270]  000000018101ba59 df14e885c631d2f4 ffff88081dc5b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: [346771.250272]  00013b435f92ee8e 0000000000000005 ffff8807f1813e98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: [346771.250274]  ffff8807f1813fd8 ffffffff81d0a660 ffff88081dc5b900 ffff8807f1810000
>Aug 22 09:06:41 trigger kernel: [346771.250276] Call Trace:
>Aug 22 09:06:41 trigger kernel: [346771.250279]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [346771.250281]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [346771.250283]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [346771.250286]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: [346771.250287] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: [346771.250306] NMI backtrace for cpu 5
>Aug 22 09:06:41 trigger kernel: [346771.250308] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: [346771.250309] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: [346771.250310] task: ffff8807f18193c0 ti: ffff8807f1828000 task.ti: ffff8807f1828000
>Aug 22 09:06:41 trigger kernel: [346771.250310] RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: [346771.250312] RSP: 0018:ffff8807f182be30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: [346771.250313] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: [346771.250313] RDX: 0000000000000000 RSI: ffff8807f182bfd8 RDI: 0000000000000005
>Aug 22 09:06:41 trigger kernel: [346771.250314] RBP: ffff8807f182be60 R08: 00000000ffffffff R09: 0000000000001b24
>Aug 22 09:06:41 trigger kernel: [346771.250314] R10: 00000000000019ec R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: [346771.250315] R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: [346771.250316] FS:  0000000000000000(0000) GS:ffff88081dd40000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: [346771.250317] CR2: 00007fd512dd89d8 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: [346771.250318] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: [346771.250318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: [346771.250319] Stack:
>Aug 22 09:06:41 trigger kernel: [346771.250319]  000000058101ba59 462650a0539b90ea ffff88081dd5b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: [346771.250320]  00013b435f92ef54 0000000000000005 ffff8807f182be98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: [346771.250321]  ffff8807f182bfd8 ffffffff81d0a660 ffff88081dd5b900 ffff8807f1828000
>Aug 22 09:06:41 trigger kernel: [346771.250322] Call Trace:
>Aug 22 09:06:41 trigger kernel: [346771.250324]  [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [346771.250325]  [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [346771.250327]  [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [346771.250328]  [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: [346771.250329] Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: INFO: rcu_sched self-detected stall on CPU { 7}  (t=420006 jiffies g=3216711 c=3216710 q=165826)
>Aug 22 09:06:41 trigger kernel: sending NMI to all CPUs:
>Aug 22 09:06:41 trigger kernel: NMI backtrace for cpu 7
>Aug 22 09:06:41 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:06:41 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:06:41 trigger kernel: RIP: 0010:[<ffffffff8135fc7d>]  [<ffffffff8135fc7d>] find_next_bit+0xad/0xe0
>Aug 22 09:06:41 trigger kernel: RSP: 0018:ffff88081ddc3d78  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: RAX: 0000000000000000 RBX: 00000000000000ff RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000000
>Aug 22 09:06:41 trigger kernel: RBP: ffff88081ddc3d78 R08: ffff8807f198eb80 R09: 0000000000000001
>Aug 22 09:06:41 trigger kernel: R10: 0000000000000000 R11: ffff88081ddc3b16 R12: ffff8807f198eb80
>Aug 22 09:06:41 trigger kernel: R13: ffff8807f1e04e80 R14: 000000000000de50 R15: 0000000000080000
>Aug 22 09:06:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: Stack:
>Aug 22 09:06:41 trigger kernel: ffff88081ddc3dd8 ffffffff8104ca81 0000000000000096 00000002816ebd30
>Aug 22 09:06:41 trigger kernel: 000000000000de48 0000000000000007 0000000000000007 0000000000002710
>Aug 22 09:06:41 trigger kernel: ffffffff81c54ac0 ffffffff81d0a6e0 ffffffff81c54ac0 0000000000000007
>Aug 22 09:06:41 trigger kernel: Call Trace:
>Aug 22 09:06:41 trigger kernel: <IRQ> 
>Aug 22 09:06:41 trigger kernel: 
>Aug 22 09:06:41 trigger kernel: [<ffffffff8104ca81>] __x2apic_send_IPI_mask+0xa1/0x190
>Aug 22 09:06:41 trigger kernel: [<ffffffff8104cb8c>] x2apic_send_IPI_all+0x1c/0x20
>Aug 22 09:06:41 trigger kernel: [<ffffffff81047ed4>] arch_trigger_all_cpu_backtrace+0x64/0xa0
>Aug 22 09:06:41 trigger kernel: [<ffffffff810ed6b4>] rcu_check_callbacks+0x404/0x670
>Aug 22 09:06:41 trigger kernel: [<ffffffff810c0ac1>] ? account_process_tick+0x121/0x1b0
>Aug 22 09:06:41 trigger kernel: [<ffffffff810973b7>] update_process_times+0x47/0x70
>Aug 22 09:06:41 trigger kernel: [<ffffffff810f8a65>] tick_sched_handle.isra.16+0x25/0x60
>Aug 22 09:06:41 trigger kernel: [<ffffffff810f8ae1>] tick_sched_timer+0x41/0x60
>Aug 22 09:06:41 trigger kernel: [<ffffffff810af634>] __run_hrtimer+0x74/0x1d0
>Aug 22 09:06:41 trigger kernel: [<ffffffff810f8aa0>] ? tick_sched_handle.isra.16+0x60/0x60
>Aug 22 09:06:41 trigger kernel: [<ffffffff810afe27>] hrtimer_interrupt+0x107/0x250
>Aug 22 09:06:41 trigger kernel: [<ffffffff810461d7>] local_apic_timer_interrupt+0x37/0x60
>Aug 22 09:06:41 trigger kernel: [<ffffffff81701def>] smp_apic_timer_interrupt+0x3f/0x60
>Aug 22 09:06:41 trigger kernel: [<ffffffff8170075d>] apic_timer_interrupt+0x6d/0x80
>Aug 22 09:06:41 trigger kernel: <EOI> 
>Aug 22 09:06:41 trigger kernel: 
>Aug 22 09:06:41 trigger kernel: [<ffffffffa0152c6d>] ? nve0_fifo_recover_work+0x8d/0x330 [nouveau]
>Aug 22 09:06:41 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:06:41 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:06:41 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:06:41 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:06:41 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:06:41 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:06:41 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:06:41 trigger kernel: Code: ff ff ff 29 f1 48 d3 ea 48 21 d0 74 41 f3 48 0f bc c0 48 01 f8 5d c3 0f 1f 80 00 00 00 00 48 c7 c0 ff ff ff ff 48 d3 e0 49 23 00 <48> 83 fe 3f 76 c6 48 85 c0 75 d7 49 83 c0 08 48 83 ee 40 48 83 
>Aug 22 09:06:41 trigger kernel: NMI backtrace for cpu 3
>Aug 22 09:06:41 trigger kernel: CPU: 3 PID: 0 Comm: swapper/3 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: task: ffff8807f1818000 ti: ffff8807f1820000 task.ti: ffff8807f1820000
>Aug 22 09:06:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: RSP: 0018:ffff8807f1823e30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1823fd8 RDI: 0000000000000003
>Aug 22 09:06:41 trigger kernel: RBP: ffff8807f1823e60 R08: 00000000ffffffff R09: 0000000000001aaa
>Aug 22 09:06:41 trigger kernel: R10: 0000000000001a00 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dcc0000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: CR2: 00007f493a55e000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: Stack:
>Aug 22 09:06:41 trigger kernel: 000000038101ba59 18fd03b9f4fde089 ffff88081dcdb900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: 00013b435f929c0d 0000000000000005 ffff8807f1823e98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: ffff8807f1823fd8 ffffffff81d0a660 ffff88081dcdb900 ffff8807f1820000
>Aug 22 09:06:41 trigger kernel: Call Trace:
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: NMI backtrace for cpu 2
>Aug 22 09:06:41 trigger kernel: CPU: 2 PID: 0 Comm: swapper/2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: task: ffff8807f1ea6ca0 ti: ffff8807f1814000 task.ti: ffff8807f1814000
>Aug 22 09:06:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: RSP: 0018:ffff8807f1817e30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1817fd8 RDI: 0000000000000002
>Aug 22 09:06:41 trigger kernel: RBP: ffff8807f1817e60 R08: 000000000000033d R09: 0000000000000018
>Aug 22 09:06:41 trigger kernel: R10: 0000000000000e37 R11: 0000000000000006 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dc80000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: CR2: 00007fb81efe5000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: Stack:
>Aug 22 09:06:41 trigger kernel: 000000028101ba59 742afb8aa5432dfb ffff88081dc9b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: 00013b435f92f032 0000000000000005 ffff8807f1817e98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: ffff8807f1817fd8 ffffffff81d0a660 ffff88081dc9b900 ffff8807f1814000
>Aug 22 09:06:41 trigger kernel: Call Trace:
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: NMI backtrace for cpu 0
>Aug 22 09:06:41 trigger kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: task: ffffffff81c18460 ti: ffffffff81c00000 task.ti: ffffffff81c00000
>Aug 22 09:06:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: RSP: 0018:ffffffff81c03e38  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: RDX: 0000000000000000 RSI: ffffffff81c03fd8 RDI: 0000000000000000
>Aug 22 09:06:41 trigger kernel: RBP: ffffffff81c03e68 R08: 00000000ffffffff R09: 0000000000001b29
>Aug 22 09:06:41 trigger kernel: R10: 00000000000019db R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dc00000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: CR2: 00007fb7fce24000 CR3: 0000000001c11000 CR4: 00000000001407f0
>Aug 22 09:06:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: Stack:
>Aug 22 09:06:41 trigger kernel: 000000008101ba59 04008cdeba68c528 ffff88081dc1b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: 00013b435f93055f 0000000000000005 ffffffff81c03ea0 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: ffffffff81c03fd8 ffffffff81d0a660 ffff88081dc1b900 ffffffff81c00000
>Aug 22 09:06:41 trigger kernel: Call Trace:
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [<ffffffff816e0857>] rest_init+0x77/0x80
>Aug 22 09:06:41 trigger kernel: [<ffffffff81d2efd6>] start_kernel+0x45d/0x47e
>Aug 22 09:06:41 trigger kernel: [<ffffffff81d2e982>] ? repair_env_string+0x5c/0x5c
>Aug 22 09:06:41 trigger kernel: [<ffffffff81d2e120>] ? early_idt_handlers+0x120/0x120
>Aug 22 09:06:41 trigger kernel: [<ffffffff81d2e5ee>] x86_64_start_reservations+0x2a/0x2c
>Aug 22 09:06:41 trigger kernel: [<ffffffff81d2e73d>] x86_64_start_kernel+0x14d/0x170
>Aug 22 09:06:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: NMI backtrace for cpu 4
>Aug 22 09:06:41 trigger kernel: CPU: 4 PID: 0 Comm: swapper/4 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: task: ffff8807f18189e0 ti: ffff8807f1824000 task.ti: ffff8807f1824000
>Aug 22 09:06:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: RSP: 0018:ffff8807f1827e30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1827fd8 RDI: 0000000000000004
>Aug 22 09:06:41 trigger kernel: RBP: ffff8807f1827e60 R08: 00000000ffffffff R09: 0000000000001b22
>Aug 22 09:06:41 trigger kernel: R10: 00000000000019e9 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dd00000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: CR2: 00007effde375000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: Stack:
>Aug 22 09:06:41 trigger kernel: 000000048101ba59 46e5822ae95d854d ffff88081dd1b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: 00013b435f92ee88 0000000000000005 ffff8807f1827e98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: ffff8807f1827fd8 ffffffff81d0a660 ffff88081dd1b900 ffff8807f1824000
>Aug 22 09:06:41 trigger kernel: Call Trace:
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: NMI backtrace for cpu 6
>Aug 22 09:06:41 trigger kernel: CPU: 6 PID: 0 Comm: swapper/6 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: task: ffff8807f1819da0 ti: ffff8807f182c000 task.ti: ffff8807f182c000
>Aug 22 09:06:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: RSP: 0018:ffff8807f182fe30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f182ffd8 RDI: 0000000000000006
>Aug 22 09:06:41 trigger kernel: RBP: ffff8807f182fe60 R08: 00000000ffffffff R09: 0000000000001b22
>Aug 22 09:06:41 trigger kernel: R10: 00000000000019e6 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dd80000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: CR2: 00007fd52c276000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: Stack:
>Aug 22 09:06:41 trigger kernel: 000000068101ba59 13d6367bc05ef5c0 ffff88081dd9b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: 00013b435f92eefb 0000000000000005 ffff8807f182fe98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: ffff8807f182ffd8 ffffffff81d0a660 ffff88081dd9b900 ffff8807f182c000
>Aug 22 09:06:41 trigger kernel: Call Trace:
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: NMI backtrace for cpu 1
>Aug 22 09:06:41 trigger kernel: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: task: ffff8807f1ea62c0 ti: ffff8807f1810000 task.ti: ffff8807f1810000
>Aug 22 09:06:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: RSP: 0018:ffff8807f1813e30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f1813fd8 RDI: 0000000000000001
>Aug 22 09:06:41 trigger kernel: RBP: ffff8807f1813e60 R08: 00000000ffffffff R09: 0000000000001b51
>Aug 22 09:06:41 trigger kernel: R10: 0000000000001926 R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dc40000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: CR2: 00007fb7fce43000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: Stack:
>Aug 22 09:06:41 trigger kernel: 000000018101ba59 df14e885c631d2f4 ffff88081dc5b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: 00013b435f92ee8e 0000000000000005 ffff8807f1813e98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: ffff8807f1813fd8 ffffffff81d0a660 ffff88081dc5b900 ffff8807f1810000
>Aug 22 09:06:41 trigger kernel: Call Trace:
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:06:41 trigger kernel: NMI backtrace for cpu 5
>Aug 22 09:06:41 trigger kernel: CPU: 5 PID: 0 Comm: swapper/5 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:06:41 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:06:41 trigger kernel: task: ffff8807f18193c0 ti: ffff8807f1828000 task.ti: ffff8807f1828000
>Aug 22 09:06:41 trigger kernel: RIP: 0010:[<ffffffff813c7508>]  [<ffffffff813c7508>] intel_idle+0xd8/0x170
>Aug 22 09:06:41 trigger kernel: RSP: 0018:ffff8807f182be30  EFLAGS: 00000046
>Aug 22 09:06:41 trigger kernel: RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001
>Aug 22 09:06:41 trigger kernel: RDX: 0000000000000000 RSI: ffff8807f182bfd8 RDI: 0000000000000005
>Aug 22 09:06:41 trigger kernel: RBP: ffff8807f182be60 R08: 00000000ffffffff R09: 0000000000001b24
>Aug 22 09:06:41 trigger kernel: R10: 00000000000019ec R11: 0000000000000008 R12: 0000000000000005
>Aug 22 09:06:41 trigger kernel: R13: 0000000000000032 R14: 0000000000000004 R15: ffffffff81ca55b0
>Aug 22 09:06:41 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081dd40000(0000) knlGS:0000000000000000
>Aug 22 09:06:41 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:06:41 trigger kernel: CR2: 00007fd512dd89d8 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:06:41 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:06:41 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:06:41 trigger kernel: Stack:
>Aug 22 09:06:41 trigger kernel: 000000058101ba59 462650a0539b90ea ffff88081dd5b900 ffffffff81ca53e0
>Aug 22 09:06:41 trigger kernel: 00013b435f92ef54 0000000000000005 ffff8807f182be98 ffffffff81588a00
>Aug 22 09:06:41 trigger kernel: ffff8807f182bfd8 ffffffff81d0a660 ffff88081dd5b900 ffff8807f1828000
>Aug 22 09:06:41 trigger kernel: Call Trace:
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588a00>] cpuidle_enter_state+0x40/0xc0
>Aug 22 09:06:41 trigger kernel: [<ffffffff81588ab7>] cpuidle_enter+0x17/0x20
>Aug 22 09:06:41 trigger kernel: [<ffffffff810d08c4>] cpu_startup_entry+0x304/0x410
>Aug 22 09:06:41 trigger kernel: [<ffffffff81044260>] start_secondary+0x230/0x310
>Aug 22 09:06:41 trigger kernel: Code: 31 d2 65 48 8b 34 25 c8 c7 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 08 b1 01 4c 89 e8 0f 01 c9 <65> 48 8b 0c 25 c8 c7 00 00 83 a1 3c c0 ff ff fb 0f ae f0 48 8b 
>Aug 22 09:07:06 trigger kernel: [346795.850394] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:07:06 trigger kernel: [346795.850412] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:07:06 trigger kernel: [346795.850445] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:07:06 trigger kernel: [346795.850446] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:07:06 trigger kernel: [346795.850464] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:07:06 trigger kernel: [346795.850465] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:07:06 trigger kernel: [346795.850466] RIP: 0010:[<ffffffffa0152c5d>]  [<ffffffffa0152c5d>] nve0_fifo_recover_work+0x7d/0x330 [nouveau]
>Aug 22 09:07:06 trigger kernel: [346795.850477] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:07:06 trigger kernel: [346795.850478] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:07:06 trigger kernel: [346795.850479] RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:07:06 trigger kernel: [346795.850479] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:07:06 trigger kernel: [346795.850480] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:07:06 trigger kernel: [346795.850481] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:07:06 trigger kernel: [346795.850481] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:07:06 trigger kernel: [346795.850482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:07:06 trigger kernel: [346795.850483] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:07:06 trigger kernel: [346795.850484] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:07:06 trigger kernel: [346795.850485] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:07:06 trigger kernel: [346795.850485] Stack:
>Aug 22 09:07:06 trigger kernel: [346795.850486]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:07:06 trigger kernel: [346795.850487]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:07:06 trigger kernel: [346795.850488]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:07:06 trigger kernel: [346795.850489] Call Trace:
>Aug 22 09:07:06 trigger kernel: [346795.850494]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:07:06 trigger kernel: [346795.850495]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:07:06 trigger kernel: [346795.850497]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:07:06 trigger kernel: [346795.850498]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:07:06 trigger kernel: [346795.850500]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:07:06 trigger kernel: [346795.850502]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:07:06 trigger kernel: [346795.850503]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:07:06 trigger kernel: [346795.850504] Code: ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 <0f> 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 f3 48 
>Aug 22 09:07:06 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:07:06 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:07:06 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:07:06 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:07:06 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:07:06 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:07:06 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:07:06 trigger kernel: RIP: 0010:[<ffffffffa0152c5d>]  [<ffffffffa0152c5d>] nve0_fifo_recover_work+0x7d/0x330 [nouveau]
>Aug 22 09:07:06 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:07:06 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:07:06 trigger kernel: RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:07:06 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:07:06 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:07:06 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:07:06 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:07:06 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:07:06 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:07:06 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:07:06 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:07:06 trigger kernel: Stack:
>Aug 22 09:07:06 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:07:06 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:07:06 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:07:06 trigger kernel: Call Trace:
>Aug 22 09:07:06 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:07:06 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:07:06 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:07:06 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:07:06 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:07:06 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:07:06 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:07:06 trigger kernel: Code: ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 <0f> 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 f3 48 
>Aug 22 09:07:34 trigger kernel: [346823.861370] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:07:34 trigger kernel: [346823.862848] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:07:34 trigger kernel: [346823.862880] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:07:34 trigger kernel: [346823.862881] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:07:34 trigger kernel: [346823.862899] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:07:34 trigger kernel: [346823.862900] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:07:34 trigger kernel: [346823.862901] RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:07:34 trigger kernel: [346823.862911] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:07:34 trigger kernel: [346823.862912] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:07:34 trigger kernel: [346823.862913] RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:07:34 trigger kernel: [346823.862913] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:07:34 trigger kernel: [346823.862914] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:07:34 trigger kernel: [346823.862915] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:07:34 trigger kernel: [346823.862915] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:07:34 trigger kernel: [346823.862916] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:07:34 trigger kernel: [346823.862917] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:07:34 trigger kernel: [346823.862918] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:07:34 trigger kernel: [346823.862918] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:07:34 trigger kernel: [346823.862919] Stack:
>Aug 22 09:07:34 trigger kernel: [346823.862919]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:07:34 trigger kernel: [346823.862920]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:07:34 trigger kernel: [346823.862922]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:07:34 trigger kernel: [346823.862923] Call Trace:
>Aug 22 09:07:34 trigger kernel: [346823.862927]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:07:34 trigger kernel: [346823.862929]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:07:34 trigger kernel: [346823.862930]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:07:34 trigger kernel: [346823.862932]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:07:34 trigger kernel: [346823.862933]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:07:34 trigger kernel: [346823.862935]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:07:34 trigger kernel: [346823.862936]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:07:34 trigger kernel: [346823.862937] Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:07:34 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:07:34 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:07:34 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:07:34 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:07:34 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:07:34 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:07:34 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:07:34 trigger kernel: RIP: 0010:[<ffffffffa0152c58>]  [<ffffffffa0152c58>] nve0_fifo_recover_work+0x78/0x330 [nouveau]
>Aug 22 09:07:34 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000293
>Aug 22 09:07:34 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:07:34 trigger kernel: RDX: 0000000000000009 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:07:34 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:07:34 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:07:34 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:07:34 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:07:34 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:07:34 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:07:34 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:07:34 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:07:34 trigger kernel: Stack:
>Aug 22 09:07:34 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:07:34 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:07:34 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:07:34 trigger kernel: Call Trace:
>Aug 22 09:07:34 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:07:34 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:07:34 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:07:34 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:07:34 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:07:34 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:07:34 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:07:34 trigger kernel: Code: 86 02 00 00 89 ca 48 89 d8 45 31 f6 0f 1f 80 00 00 00 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 <ba> 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 
>Aug 22 09:08:02 trigger kernel: [346851.872348] BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:08:02 trigger kernel: [346851.873103] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:08:02 trigger kernel: [346851.873135] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:08:02 trigger kernel: [346851.873136] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:08:02 trigger kernel: [346851.873153] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:08:02 trigger kernel: [346851.873154] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:08:02 trigger kernel: [346851.873155] RIP: 0010:[<ffffffffa0152c6a>]  [<ffffffffa0152c6a>] nve0_fifo_recover_work+0x8a/0x330 [nouveau]
>Aug 22 09:08:02 trigger kernel: [346851.873166] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000202
>Aug 22 09:08:02 trigger kernel: [346851.873166] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:08:02 trigger kernel: [346851.873167] RDX: 00000000fffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:08:02 trigger kernel: [346851.873168] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:08:02 trigger kernel: [346851.873168] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:08:02 trigger kernel: [346851.873169] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:08:02 trigger kernel: [346851.873170] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:08:02 trigger kernel: [346851.873171] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:08:02 trigger kernel: [346851.873171] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:08:02 trigger kernel: [346851.873172] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:08:02 trigger kernel: [346851.873173] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:08:02 trigger kernel: [346851.873173] Stack:
>Aug 22 09:08:02 trigger kernel: [346851.873174]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:08:02 trigger kernel: [346851.873175]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:08:02 trigger kernel: [346851.873176]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:08:02 trigger kernel: [346851.873177] Call Trace:
>Aug 22 09:08:02 trigger kernel: [346851.873181]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:08:02 trigger kernel: [346851.873182]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:08:02 trigger kernel: [346851.873184]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:08:02 trigger kernel: [346851.873185]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:08:02 trigger kernel: [346851.873186]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:02 trigger kernel: [346851.873189]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:08:02 trigger kernel: [346851.873190]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:02 trigger kernel: [346851.873190] Code: 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 <48> 63 d2 48 21 d0 f3 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 
>Aug 22 09:08:02 trigger kernel: BUG: soft lockup - CPU#7 stuck for 22s! [kworker/7:2:8058]
>Aug 22 09:08:02 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:08:02 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:08:02 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:08:02 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:08:02 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:08:02 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:08:02 trigger kernel: RIP: 0010:[<ffffffffa0152c6a>]  [<ffffffffa0152c6a>] nve0_fifo_recover_work+0x8a/0x330 [nouveau]
>Aug 22 09:08:02 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000202
>Aug 22 09:08:02 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:08:02 trigger kernel: RDX: 00000000fffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:08:02 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:08:02 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:08:02 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:08:02 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:08:02 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:08:02 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:08:02 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:08:02 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:08:02 trigger kernel: Stack:
>Aug 22 09:08:02 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:08:02 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:08:02 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:08:02 trigger kernel: Call Trace:
>Aug 22 09:08:02 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:08:02 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:08:02 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:08:02 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:08:02 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:02 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:08:02 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:02 trigger kernel: Code: 00 83 ea 17 83 fa 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 <48> 63 d2 48 21 d0 f3 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 
>Aug 22 09:08:02 trigger systemd: getty@tty3.service holdoff time over, scheduling restart.
>Aug 22 09:08:02 trigger systemd: Stopping Getty on tty3...
>Aug 22 09:08:02 trigger systemd: Starting Getty on tty3...
>Aug 22 09:08:02 trigger systemd: Started Getty on tty3.
>Aug 22 09:08:02 trigger systemd-logind: Removed session 160.
>Aug 22 09:08:30 trigger kernel: [346879.883320] BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:08:30 trigger kernel: [346879.884158] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:08:30 trigger kernel: [346879.884189] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:08:30 trigger kernel: [346879.884190] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:08:30 trigger kernel: [346879.884207] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:08:30 trigger kernel: [346879.884208] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:08:30 trigger kernel: [346879.884209] RIP: 0010:[<ffffffffa0152c7a>]  [<ffffffffa0152c7a>] nve0_fifo_recover_work+0x9a/0x330 [nouveau]
>Aug 22 09:08:30 trigger kernel: [346879.884220] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:08:30 trigger kernel: [346879.884220] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:08:30 trigger kernel: [346879.884221] RDX: 0000000000000020 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:08:30 trigger kernel: [346879.884222] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:08:30 trigger kernel: [346879.884223] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:08:30 trigger kernel: [346879.884223] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:08:30 trigger kernel: [346879.884224] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:08:30 trigger kernel: [346879.884225] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:08:30 trigger kernel: [346879.884226] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:08:30 trigger kernel: [346879.884227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:08:30 trigger kernel: [346879.884227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:08:30 trigger kernel: [346879.884228] Stack:
>Aug 22 09:08:30 trigger kernel: [346879.884228]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:08:30 trigger kernel: [346879.884229]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:08:30 trigger kernel: [346879.884230]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:08:30 trigger kernel: [346879.884232] Call Trace:
>Aug 22 09:08:30 trigger kernel: [346879.884236]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:08:30 trigger kernel: [346879.884237]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:08:30 trigger kernel: [346879.884239]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:08:30 trigger kernel: [346879.884240]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:08:30 trigger kernel: [346879.884241]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:30 trigger kernel: [346879.884244]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:08:30 trigger kernel: [346879.884245]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:30 trigger kernel: [346879.884246] Code: 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 f3 48 0f bc c8 48 85 c0 89 ca <75> c4 49 8b 87 78 ff ff ff f3 4c 0f bc e3 48 8d b8 30 26 00 00 
>Aug 22 09:08:30 trigger kernel: BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:08:30 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:08:30 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:08:30 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:08:30 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:08:30 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:08:30 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:08:30 trigger kernel: RIP: 0010:[<ffffffffa0152c7a>]  [<ffffffffa0152c7a>] nve0_fifo_recover_work+0x9a/0x330 [nouveau]
>Aug 22 09:08:30 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:08:30 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:08:30 trigger kernel: RDX: 0000000000000020 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:08:30 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:08:30 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:08:30 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:08:30 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:08:30 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:08:30 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:08:30 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:08:30 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:08:30 trigger kernel: Stack:
>Aug 22 09:08:30 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:08:30 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:08:30 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:08:30 trigger kernel: Call Trace:
>Aug 22 09:08:30 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:08:30 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:08:30 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:08:30 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:08:30 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:30 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:08:30 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:30 trigger kernel: Code: 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 f3 48 0f bc c8 48 85 c0 89 ca <75> c4 49 8b 87 78 ff ff ff f3 4c 0f bc e3 48 8d b8 30 26 00 00 
>Aug 22 09:08:58 trigger kernel: [346907.894290] BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:08:58 trigger kernel: [346907.895234] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:08:58 trigger kernel: [346907.895265] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:08:58 trigger kernel: [346907.895266] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:08:58 trigger kernel: [346907.895283] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:08:58 trigger kernel: [346907.895284] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:08:58 trigger kernel: [346907.895285] RIP: 0010:[<ffffffffa0152c7a>]  [<ffffffffa0152c7a>] nve0_fifo_recover_work+0x9a/0x330 [nouveau]
>Aug 22 09:08:58 trigger kernel: [346907.895309] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:08:58 trigger kernel: [346907.895310] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:08:58 trigger kernel: [346907.895311] RDX: 0000000000000020 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:08:58 trigger kernel: [346907.895311] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:08:58 trigger kernel: [346907.895312] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:08:58 trigger kernel: [346907.895313] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:08:58 trigger kernel: [346907.895313] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:08:58 trigger kernel: [346907.895314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:08:58 trigger kernel: [346907.895315] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:08:58 trigger kernel: [346907.895316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:08:58 trigger kernel: [346907.895316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:08:58 trigger kernel: [346907.895317] Stack:
>Aug 22 09:08:58 trigger kernel: [346907.895318]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:08:58 trigger kernel: [346907.895319]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:08:58 trigger kernel: [346907.895320]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:08:58 trigger kernel: [346907.895321] Call Trace:
>Aug 22 09:08:58 trigger kernel: [346907.895334]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:08:58 trigger kernel: [346907.895335]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:08:58 trigger kernel: [346907.895337]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:08:58 trigger kernel: [346907.895339]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:08:58 trigger kernel: [346907.895340]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:58 trigger kernel: [346907.895342]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:08:58 trigger kernel: [346907.895343]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:58 trigger kernel: [346907.895344] Code: 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 f3 48 0f bc c8 48 85 c0 89 ca <75> c4 49 8b 87 78 ff ff ff f3 4c 0f bc e3 48 8d b8 30 26 00 00 
>Aug 22 09:08:58 trigger kernel: BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:08:58 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:08:58 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:08:58 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:08:58 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:08:58 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:08:58 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:08:58 trigger kernel: RIP: 0010:[<ffffffffa0152c7a>]  [<ffffffffa0152c7a>] nve0_fifo_recover_work+0x9a/0x330 [nouveau]
>Aug 22 09:08:58 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:08:58 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:08:58 trigger kernel: RDX: 0000000000000020 RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:08:58 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:08:58 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:08:58 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:08:58 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:08:58 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:08:58 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:08:58 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:08:58 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:08:58 trigger kernel: Stack:
>Aug 22 09:08:58 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:08:58 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:08:58 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:08:58 trigger kernel: Call Trace:
>Aug 22 09:08:58 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:08:58 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:08:58 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:08:58 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:08:58 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:58 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:08:58 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:08:58 trigger kernel: Code: 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 f3 48 0f bc c8 48 85 c0 89 ca <75> c4 49 8b 87 78 ff ff ff f3 4c 0f bc e3 48 8d b8 30 26 00 00 
>Aug 22 09:09:26 trigger kernel: [346935.905260] BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:09:26 trigger kernel: [346935.906077] Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:09:26 trigger kernel: [346935.906108] CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:09:26 trigger kernel: [346935.906109] Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:09:26 trigger kernel: [346935.906127] Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:09:26 trigger kernel: [346935.906128] task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:09:26 trigger kernel: [346935.906129] RIP: 0010:[<ffffffffa0152c70>]  [<ffffffffa0152c70>] nve0_fifo_recover_work+0x90/0x330 [nouveau]
>Aug 22 09:09:26 trigger kernel: [346935.906140] RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:09:26 trigger kernel: [346935.906141] RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:09:26 trigger kernel: [346935.906141] RDX: fffffffffffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:09:26 trigger kernel: [346935.906142] RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:09:26 trigger kernel: [346935.906143] R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:09:26 trigger kernel: [346935.906143] R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:09:26 trigger kernel: [346935.906144] FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:09:26 trigger kernel: [346935.906145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:09:26 trigger kernel: [346935.906146] CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:09:26 trigger kernel: [346935.906147] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:09:26 trigger kernel: [346935.906147] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:09:26 trigger kernel: [346935.906148] Stack:
>Aug 22 09:09:26 trigger kernel: [346935.906148]  ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:09:26 trigger kernel: [346935.906150]  ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:09:26 trigger kernel: [346935.906151]  ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:09:26 trigger kernel: [346935.906152] Call Trace:
>Aug 22 09:09:26 trigger kernel: [346935.906155]  [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:09:26 trigger kernel: [346935.906157]  [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:09:26 trigger kernel: [346935.906158]  [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:09:26 trigger kernel: [346935.906160]  [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:09:26 trigger kernel: [346935.906161]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:09:26 trigger kernel: [346935.906163]  [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:09:26 trigger kernel: [346935.906164]  [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:09:26 trigger kernel: [346935.906165] Code: 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 <f3> 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 78 ff ff ff f3 4c 
>Aug 22 09:09:26 trigger kernel: BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:2:8058]
>Aug 22 09:09:26 trigger kernel: Modules linked in: isofs fuse arc4 md4 nls_utf8 cifs dns_resolver fscache bnep bluetooth rfkill ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_CHECKSUM iptable_mangle tun ip6table_filter ip6_tables ebtable_nat ebtables bridge stp llc xt_physdev nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack vfat fat snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel x86_pkg_temp_thermal coretemp snd_hda_controller snd_ens1370 gameport snd_hda_codec iTCO_wdt iTCO_vendor_support snd_rawmidi dcdbas kvm_intel serio_raw snd_hwdep snd_seq snd_seq_device snd_pcm kvm crct10dif_pclmul nfsd crc32_pclmul crc32c_intel ghash_clmulni_intel auth_rpcgss nfs_acl lockd microcode mei_me mei lpc_ich mfd_core shpchp sunrpc snd_timer snd soundcore i2c_i801 uas usb_storage nouveau mxm_wmi
>Aug 22 09:09:26 trigger kernel: wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core i2c_core video
>Aug 22 09:09:26 trigger kernel: CPU: 7 PID: 8058 Comm: kworker/7:2 Not tainted 3.15.10-200.fc20.x86_64 #1
>Aug 22 09:09:26 trigger kernel: Hardware name: Dell Inc. OptiPlex 9020/0PC5F7, BIOS A05 12/05/2013
>Aug 22 09:09:26 trigger kernel: Workqueue: events nve0_fifo_recover_work [nouveau]
>Aug 22 09:09:26 trigger kernel: task: ffff88079656a780 ti: ffff8807cc4fc000 task.ti: ffff8807cc4fc000
>Aug 22 09:09:26 trigger kernel: RIP: 0010:[<ffffffffa0152c70>]  [<ffffffffa0152c70>] nve0_fifo_recover_work+0x90/0x330 [nouveau]
>Aug 22 09:09:26 trigger kernel: RSP: 0018:ffff8807cc4ffde0  EFLAGS: 00000206
>Aug 22 09:09:26 trigger kernel: RAX: 0000000100000000 RBX: ffff8807cc4ffd80 RCX: 0000000000000020
>Aug 22 09:09:26 trigger kernel: RDX: fffffffffffffffe RSI: 0000000000000282 RDI: 0000000000000282
>Aug 22 09:09:26 trigger kernel: RBP: ffff8807cc4ffe18 R08: ffff8807f19fa0e0 R09: dfdfc1896e3fa0d8
>Aug 22 09:09:26 trigger kernel: R10: dfdfc1896e3fa0d8 R11: 0000000000000005 R12: ffff8807cc4ffd60
>Aug 22 09:09:26 trigger kernel: R13: ffffffff8101c005 R14: ffff8807cc4ffd50 R15: 0000000000000000
>Aug 22 09:09:26 trigger kernel: FS:  0000000000000000(0000) GS:ffff88081ddc0000(0000) knlGS:0000000000000000
>Aug 22 09:09:26 trigger kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Aug 22 09:09:26 trigger kernel: CR2: 00007f90c14c0000 CR3: 0000000001c11000 CR4: 00000000001407e0
>Aug 22 09:09:26 trigger kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>Aug 22 09:09:26 trigger kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
>Aug 22 09:09:26 trigger kernel: Stack:
>Aug 22 09:09:26 trigger kernel: ffff8807f07d3400 0000000000000001 ffff8807f19fa0d8 ffff8806d1a70580
>Aug 22 09:09:26 trigger kernel: ffff88081ddd3f00 ffff88081ddd8000 00000000000001c0 ffff8807cc4ffe60
>Aug 22 09:09:26 trigger kernel: ffffffff810a4ad6 000000001ddd3f00 0000000000000000 ffff88081ddd3f00
>Aug 22 09:09:26 trigger kernel: Call Trace:
>Aug 22 09:09:26 trigger kernel: [<ffffffff810a4ad6>] process_one_work+0x176/0x430
>Aug 22 09:09:26 trigger kernel: [<ffffffff810a576b>] worker_thread+0x11b/0x3a0
>Aug 22 09:09:26 trigger kernel: [<ffffffff810a5650>] ? rescuer_thread+0x3b0/0x3b0
>Aug 22 09:09:26 trigger kernel: [<ffffffff810ac508>] kthread+0xd8/0xf0
>Aug 22 09:09:26 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:09:26 trigger kernel: [<ffffffff816ffa3c>] ret_from_fork+0x7c/0xb0
>Aug 22 09:09:26 trigger kernel: [<ffffffff810ac430>] ? insert_kthread_work+0x40/0x40
>Aug 22 09:09:26 trigger kernel: Code: 0b 0f 87 64 02 00 00 ff 24 d5 50 f8 1a a0 0f 1f 44 00 00 ba 01 00 00 00 0f 1f 00 41 09 d6 ba fe ff ff ff d3 c2 48 63 d2 48 21 d0 <f3> 48 0f bc c8 48 85 c0 89 ca 75 c4 49 8b 87 78 ff ff ff f3 4c

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Attachments on bug 1031811: 825824 | 932542