Bug 838357 - [abrt]: [682237.120015] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
[abrt]: [682237.120015] BUG: unable to handle kernel NULL pointer dereference...
Status: CLOSED ERRATA
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
16
x86_64 Unspecified
unspecified Severity unspecified
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Assigned To: Kernel Maintainer List
Fedora Extras Quality Assurance
abrt_hash:207fc367d67dc9ff523a335c2b2...
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Depends On:
Blocks:
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Reported: 2012-07-08 14:14 EDT by bruce.c.smith
Modified: 2012-07-09 08:48 EDT (History)
5 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Environment:
Last Closed: 2012-07-09 08:48:53 EDT
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CRM:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---


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Description bruce.c.smith 2012-07-08 14:14:46 EDT
libreport version: 2.0.10
cmdline:        BOOT_IMAGE=/vmlinuz-3.2.7-1.fc16.x86_64 root=/dev/mapper/vg_mytardis-lv_root ro rd.md=0 rd.dm=0 rd.lvm.lv=vg_mytardis/lv_swap KEYTABLE=us quiet rd.lvm.lv=vg_mytardis/lv_root SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0 LANG=en_US.UTF-8

backtrace:
:[682237.120015] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
:[682237.120045] IP: [<ffffffff8116b505>] get_pmd_huge_pte+0x25/0x70
:[682237.120064] PGD 95261067 PUD 95260067 PMD 0 
:[682237.120081] Oops: 0000 [#1] SMP 
:[682237.120096] CPU 1 
:[682237.120102] Modules linked in: tcp_lp be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr lockd iscsi_tcp libiscsi_tcp libiscsi fcoe libfcoe scsi_transport_iscsi libfc scsi_transport_fc scsi_tgt 8021q garp stp llc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc sky2 skge iTCO_wdt iTCO_vendor_support uinput i2c_i801 asus_atk0110 microcode sunrpc firewire_ohci firewire_core crc_itu_t nouveau ttm drm_kms_helper drm i2c_algo_bit i2c_core mxm_wmi wmi video [last unloaded: scsi_wait_scan]
:[682237.120399] 
:[682237.120405] Pid: 3361, comm: ksysguardd Not tainted 3.2.7-1.fc16.x86_64 #1 System manufacturer System Product Name/P5B-Deluxe
:[682237.120431] RIP: 0010:[<ffffffff8116b505>]  [<ffffffff8116b505>] get_pmd_huge_pte+0x25/0x70
:[682237.120449] RSP: 0018:ffff88009515fcc8  EFLAGS: 00010202
:[682237.120458] RAX: ffff8800b0890a80 RBX: 0000000000000000 RCX: 0000000000000028
:[682237.120470] RDX: 0000000000280027 RSI: ffff8800815e4e70 RDI: ffff8800b0890a80
:[682237.120482] RBP: ffff88009515fcd8 R08: ffff8800815e4e70 R09: 00000000000429b0
:[682237.120493] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88009515fe48
:[682237.120502] R13: ffff8800815e4e70 R14: ffff880095219000 R15: ffff880095218f18
:[682237.120512] FS:  00007f1d4f6b3700(0000) GS:ffff8800bbc80000(0000) knlGS:0000000000000000
:[682237.120522] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
:[682237.120530] CR2: 0000000000000020 CR3: 000000009527a000 CR4: 00000000000006e0
:[682237.120538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
:[682237.120547] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
:[682237.120556] Process ksysguardd (pid: 3361, threadinfo ffff88009515e000, task ffff880096f54560)
:[682237.120565] Stack:
:[682237.120569]  ffffea0001e40640 ffff880095219000 ffff88009515fd08 ffffffff8116be30
:[682237.120585]  0000000000000000 00007f1e80000000 00007f1e80200000 ffff880095219000
:[682237.120601]  ffff88009515fe28 ffffffff8113e519 ffff8800bbf7c700 0000000000000000
:[682237.120616] Call Trace:
:[682237.120624]  [<ffffffff8116be30>] zap_huge_pmd+0x60/0x180
:[682237.120634]  [<ffffffff8113e519>] unmap_vmas+0x759/0x8a0
:[682237.120645]  [<ffffffff81125f7d>] ? update_page_reclaim_stat+0x2d/0x70
:[682237.120656]  [<ffffffff81143a19>] unmap_region+0xb9/0x130
:[682237.120666]  [<ffffffff81144e30>] do_munmap+0x250/0x390
:[682237.120674]  [<ffffffff811465b3>] sys_munmap+0x53/0x80
:[682237.121007]  [<ffffffff815e9d82>] system_call_fastpath+0x16/0x1b
:[682237.121007] Code: 84 00 00 00 00 00 55 48 89 e5 53 48 83 ec 08 66 66 66 66 90 8b 57 64 48 89 f8 89 d1 c1 e9 10 66 39 d1 74 47 48 8b 9f 70 03 00 00 <48> 8b 53 20 48 8d 7b 20 48 39 d7 74 1e 48 83 ea 20 48 89 90 70 
:[682237.121007] RIP  [<ffffffff8116b505>] get_pmd_huge_pte+0x25/0x70
:[682237.121007]  RSP <ffff88009515fcc8>
:[682237.121007] CR2: 0000000000000020
:[682237.121007] [drm] nouveau 0000:01:00.0: Setting dpms mode 0 on vga encoder (output 1)
:[682237.121007] [drm] nouveau 0000:01:00.0: Output DVI-I-1 is running on CRTC 0 using output B
:[682237.140424] ---[ end trace 39ffd964304b3aac ]---
Comment 1 Josh Boyer 2012-07-09 08:48:53 EDT
3.2.7 is fairly old at this point.  If you can recreate with a 3.4.4 or newer update, please let us know.

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