Bug 1250827

Description of problem:
The problem happens at turning on the laptop.

Additional info:
reporter:       libreport-2.6.2
NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [Xorg:2158]
Modules linked in: ccm vhost_net vhost macvtap macvlan xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw arc4 snd_hda_codec_realtek ath9k snd_hda_codec_generic snd_hda_codec_hdmi ath9k_common ath9k_hw intel_rapl snd_hda_intel iosf_mbi snd_hda_controller x86_pkg_temp_thermal coretemp vfat snd_hda_codec ath fat kvm_intel mac80211 kvm snd_hda_core snd_hwdep snd_seq snd_seq_device
 asus_nb_wmi asus_wmi iTCO_wdt ath3k iTCO_vendor_support btusb crct10dif_pclmul uvcvideo btbcm sparse_keymap crc32_pclmul btintel snd_pcm bluetooth crc32c_intel cfg80211 videobuf2_vmalloc videobuf2_core videobuf2_memops ghash_clmulni_intel v4l2_common mei_me videodev snd_timer snd rtsx_pci_ms media i2c_i801 mei rfkill lpc_ich memstick soundcore ie31200_edac edac_core shpchp nfsd auth_rpcgss nfs_acl lockd grace sunrpc nouveau i915 rtsx_pci_sdmmc mmc_core ttm mxm_wmi i2c_algo_bit drm_kms_helper 8021q garp drm stp llc rtsx_pci mrp serio_raw r8169 mfd_core mii wmi video
CPU: 1 PID: 2158 Comm: Xorg Not tainted 4.1.3-200.fc22.x86_64 #1
Hardware name: ASUSTeK COMPUTER INC. N751JK/N751JK, BIOS N751JK.204 12/19/2014
task: ffff880222603b40 ti: ffff880223e74000 task.ti: ffff880223e74000
RIP: 0010:[<ffffffff813c7192>]  [<ffffffff813c7192>] ioread32+0x42/0x50
RSP: 0018:ffff880223e77bc0  EFLAGS: 00000292
RAX: 00000000bad0fb40 RBX: ffff880217303320 RCX: 0000000000000008
RDX: 00000000000003ff RSI: 0000000000000002 RDI: ffffc90000f66488
RBP: ffff880223e77c08 R08: 00000000000003ff R09: ffff8800b60ac000
R10: ffff8800b605fa24 R11: 0000000000010002 R12: 00000000bad0fcff
R13: 0000000000013020 R14: ffff8800c7f19400 R15: ffff880223e77c08
FS:  00007f8f43e479c0(0000) GS:ffff88022ee40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002e1a000 CR3: 00000002194fe000 CR4: 00000000001427e0
Stack:
 ffffffffa0365df5 ffff8800c7f19400 0000000000000000 ffff880223e77c08
 ffff880223e77d80 ffff8800c7f19400 0000000000000000 ffff880223e77a30
 ffff8800b60cf140 ffff880223e77d38 ffffffffa0354651 000186a022603b40
Call Trace:
 [<ffffffffa0365df5>] ? nouveau_dma_wait+0x345/0x750 [nouveau]
 [<ffffffffa0354651>] nouveau_gem_ioctl_pushbuf+0xe81/0x1790 [nouveau]
 [<ffffffffa00739df>] drm_ioctl+0x12f/0x620 [drm]
 [<ffffffffa01a2461>] ? i915_gem_busy_ioctl+0x91/0xd0 [i915]
 [<ffffffffa03537d0>] ? nouveau_gem_ioctl_new+0x210/0x210 [nouveau]
 [<ffffffffa034b232>] nouveau_drm_ioctl+0x72/0xd0 [nouveau]
 [<ffffffff8123fcb6>] do_vfs_ioctl+0x2c6/0x4d0
 [<ffffffff8123ff41>] SyS_ioctl+0x81/0xa0
 [<ffffffff817a1a6e>] system_call_fastpath+0x12/0x71
Code: 66 0f 1f 84 00 00 00 00 00 55 48 c7 c6 69 89 a7 81 48 89 e5 e8 f0 fe ff ff b8 ff ff ff ff 5d c3 66 0f 1f 84 00 00 00 00 00 8b 07 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 48 81 fe ff ff 03 00