* 2.6.35-rc3 oops trying to suspend.
@ 2010-06-27 12:40 Andrew Hendry
2010-06-27 14:52 ` Jeff Layton
0 siblings, 1 reply; 2+ messages in thread
From: Andrew Hendry @ 2010-06-27 12:40 UTC (permalink / raw)
To: linux-kernel, Jeff Layton
[-- Attachment #1: Type: text/plain, Size: 4079 bytes --]
Happened while trying to suspend system.
Ubuntu 10.04 64 bit userspace, config attached.
Can't easily reproduce, I hit this while unsuccessfully trying to
reproduce another issue http://lkml.org/lkml/2010/6/26/28
[ 116.451221] CIFS VFS: No response to cmd 113 mid 206
[ 126.606110] PM: Syncing filesystems ...
[ 126.698725] BUG: unable to handle kernel NULL pointer dereference
at 0000000000000004
[ 126.698730] IP: [<ffffffff81520776>] rwsem_down_failed_common+0x66/0x200
[ 126.698737] PGD 230e17067 PUD 230e16067 PMD 0
[ 126.698740] Oops: 0002 [#1] PREEMPT SMP
[ 126.698743] last sysfs file: /sys/power/state
[ 126.698746] CPU 6
[ 126.698747] Modules linked in: nls_cp437 cifs fbcon tileblit font
bitblit softcursor binfmt_misc kvm_intel kvm snd_hda_codec_via
snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss
snd_pcm snd_seq_dummy nouveau snd_seq_oss snd_seq_midi snd_rawmidi
snd_seq_midi_event snd_seq snd_timer snd_seq_device psmouse snd
serio_raw ttm soundcore snd_page_alloc drm_kms_helper drm asus_atk0110
i2c_algo_bit usbhid hid ahci pata_jmicron r8169 mii libahci
[ 126.698776]
[ 126.698778] Pid: 3196, comm: pm-suspend Not tainted 2.6.35-rc3 #6
P7P55D-E PRO/System Product Name
[ 126.698780] RIP: 0010:[<ffffffff81520776>] [<ffffffff81520776>]
rwsem_down_failed_common+0x66/0x200
[ 126.698784] RSP: 0018:ffff8801f4f17ca0 EFLAGS: 00010006
[ 126.698786] RAX: 0000000000000004 RBX: ffff8801f4c50c68 RCX: ffff8801f4c50c78
[ 126.698788] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801f4c50c70
[ 126.698790] RBP: ffff8801f4f17d00 R08: ffff8801f4f16000 R09: 00000000ffffffff
[ 126.698792] R10: 00000000ffffffff R11: 0000000000000000 R12: ffff8801f4f17d10
[ 126.698793] R13: ffff880210c3ad00 R14: ffff8801f4c50c70 R15: fffffffeffffffff
[ 126.698796] FS: 00007f1da0641700(0000) GS:ffff880001ec0000(0000)
knlGS:0000000000000000
[ 126.698798] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 126.698800] CR2: 0000000000000004 CR3: 00000001ef9dd000 CR4: 00000000000006e0
[ 126.698802] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 126.698803] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 126.698806] Process pm-suspend (pid: 3196, threadinfo
ffff8801f4f16000, task ffff880210c3ad00)
[ 126.698807] Stack:
[ 126.698809] ffffffff8115f2d3 ffff8801f4f17cd8 ffff880234e64000
ffff880234e64068
[ 126.698812] <0> ffffffff811642e0 0000000000000000 ffffffff8116062f
ffff8801f4c50c68
[ 126.698816] <0> ffff8801f4c50800 ffff8801f4c50c68 ffffffff811642e0
ffff8801f4f17df4
[ 126.698821] Call Trace:
[ 126.698825] [<ffffffff8115f2d3>] ? bdi_queue_work+0xa3/0xe0
[ 126.698828] [<ffffffff811642e0>] ? sync_one_sb+0x0/0x30
[ 126.698831] [<ffffffff8116062f>] ? bdi_sync_writeback+0x6f/0x80
[ 126.698833] [<ffffffff811642e0>] ? sync_one_sb+0x0/0x30
[ 126.698835] [<ffffffff81520966>] rwsem_down_read_failed+0x26/0x30
[ 126.698839] [<ffffffff81286054>] call_rwsem_down_read_failed+0x14/0x30
[ 126.698842] [<ffffffff8151fad7>] ? down_read+0x17/0x20
[ 126.698846] [<ffffffff8113ee34>] iterate_supers+0x74/0xd0
[ 126.698848] [<ffffffff81164355>] sys_sync+0x45/0x70
[ 126.698852] [<ffffffff810984eb>] enter_state+0x6b/0x150
[ 126.698855] [<ffffffff81097b09>] state_store+0x99/0x110
[ 126.698859] [<ffffffff8127c7f7>] kobj_attr_store+0x17/0x20
[ 126.698863] [<ffffffff811a33a5>] sysfs_write_file+0xe5/0x170
[ 126.698866] [<ffffffff8113d218>] vfs_write+0xb8/0x180
[ 126.698870] [<ffffffff815245fa>] ? do_page_fault+0x15a/0x3d0
[ 126.698872] [<ffffffff8113d3c1>] sys_write+0x51/0x90
[ 126.698877] [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
[ 126.698879] Code: 48 8b 45 c8 4c 89 f7 e8 09 05 00 00 4d 89 6c 24
10 f0 41 ff 45 10 48 8b 43 18 48 8d 4b 10 4c 89 63 18 49 89 44 24 08
49 89 0c 24 <4c> 89 20 4c 89 f8 f0 48 0f c1 03 46 8d 3c 38 45 85 ff 74
56 4c
[ 126.698920] RIP [<ffffffff81520776>] rwsem_down_failed_common+0x66/0x200
[ 126.698923] RSP <ffff8801f4f17ca0>
[ 126.698925] CR2: 0000000000000004
[ 126.698927] ---[ end trace cede871d1b0cf586 ]---
[-- Attachment #2: config.gz --]
[-- Type: application/x-gzip, Size: 20564 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: 2.6.35-rc3 oops trying to suspend.
2010-06-27 12:40 2.6.35-rc3 oops trying to suspend Andrew Hendry
@ 2010-06-27 14:52 ` Jeff Layton
0 siblings, 0 replies; 2+ messages in thread
From: Jeff Layton @ 2010-06-27 14:52 UTC (permalink / raw)
To: Andrew Hendry; +Cc: linux-kernel
On Sun, 27 Jun 2010 22:40:52 +1000
Andrew Hendry <andrew.hendry@gmail.com> wrote:
> Happened while trying to suspend system.
> Ubuntu 10.04 64 bit userspace, config attached.
> Can't easily reproduce, I hit this while unsuccessfully trying to
> reproduce another issue http://lkml.org/lkml/2010/6/26/28
>
> [ 116.451221] CIFS VFS: No response to cmd 113 mid 206
> [ 126.606110] PM: Syncing filesystems ...
> [ 126.698725] BUG: unable to handle kernel NULL pointer dereference
> at 0000000000000004
> [ 126.698730] IP: [<ffffffff81520776>] rwsem_down_failed_common+0x66/0x200
> [ 126.698737] PGD 230e17067 PUD 230e16067 PMD 0
> [ 126.698740] Oops: 0002 [#1] PREEMPT SMP
> [ 126.698743] last sysfs file: /sys/power/state
> [ 126.698746] CPU 6
> [ 126.698747] Modules linked in: nls_cp437 cifs fbcon tileblit font
> bitblit softcursor binfmt_misc kvm_intel kvm snd_hda_codec_via
> snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss
> snd_pcm snd_seq_dummy nouveau snd_seq_oss snd_seq_midi snd_rawmidi
> snd_seq_midi_event snd_seq snd_timer snd_seq_device psmouse snd
> serio_raw ttm soundcore snd_page_alloc drm_kms_helper drm asus_atk0110
> i2c_algo_bit usbhid hid ahci pata_jmicron r8169 mii libahci
> [ 126.698776]
> [ 126.698778] Pid: 3196, comm: pm-suspend Not tainted 2.6.35-rc3 #6
> P7P55D-E PRO/System Product Name
> [ 126.698780] RIP: 0010:[<ffffffff81520776>] [<ffffffff81520776>]
> rwsem_down_failed_common+0x66/0x200
> [ 126.698784] RSP: 0018:ffff8801f4f17ca0 EFLAGS: 00010006
> [ 126.698786] RAX: 0000000000000004 RBX: ffff8801f4c50c68 RCX: ffff8801f4c50c78
> [ 126.698788] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801f4c50c70
> [ 126.698790] RBP: ffff8801f4f17d00 R08: ffff8801f4f16000 R09: 00000000ffffffff
> [ 126.698792] R10: 00000000ffffffff R11: 0000000000000000 R12: ffff8801f4f17d10
> [ 126.698793] R13: ffff880210c3ad00 R14: ffff8801f4c50c70 R15: fffffffeffffffff
> [ 126.698796] FS: 00007f1da0641700(0000) GS:ffff880001ec0000(0000)
> knlGS:0000000000000000
> [ 126.698798] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> [ 126.698800] CR2: 0000000000000004 CR3: 00000001ef9dd000 CR4: 00000000000006e0
> [ 126.698802] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 126.698803] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> [ 126.698806] Process pm-suspend (pid: 3196, threadinfo
> ffff8801f4f16000, task ffff880210c3ad00)
> [ 126.698807] Stack:
> [ 126.698809] ffffffff8115f2d3 ffff8801f4f17cd8 ffff880234e64000
> ffff880234e64068
> [ 126.698812] <0> ffffffff811642e0 0000000000000000 ffffffff8116062f
> ffff8801f4c50c68
> [ 126.698816] <0> ffff8801f4c50800 ffff8801f4c50c68 ffffffff811642e0
> ffff8801f4f17df4
> [ 126.698821] Call Trace:
> [ 126.698825] [<ffffffff8115f2d3>] ? bdi_queue_work+0xa3/0xe0
> [ 126.698828] [<ffffffff811642e0>] ? sync_one_sb+0x0/0x30
> [ 126.698831] [<ffffffff8116062f>] ? bdi_sync_writeback+0x6f/0x80
> [ 126.698833] [<ffffffff811642e0>] ? sync_one_sb+0x0/0x30
> [ 126.698835] [<ffffffff81520966>] rwsem_down_read_failed+0x26/0x30
> [ 126.698839] [<ffffffff81286054>] call_rwsem_down_read_failed+0x14/0x30
> [ 126.698842] [<ffffffff8151fad7>] ? down_read+0x17/0x20
> [ 126.698846] [<ffffffff8113ee34>] iterate_supers+0x74/0xd0
> [ 126.698848] [<ffffffff81164355>] sys_sync+0x45/0x70
> [ 126.698852] [<ffffffff810984eb>] enter_state+0x6b/0x150
> [ 126.698855] [<ffffffff81097b09>] state_store+0x99/0x110
> [ 126.698859] [<ffffffff8127c7f7>] kobj_attr_store+0x17/0x20
> [ 126.698863] [<ffffffff811a33a5>] sysfs_write_file+0xe5/0x170
> [ 126.698866] [<ffffffff8113d218>] vfs_write+0xb8/0x180
> [ 126.698870] [<ffffffff815245fa>] ? do_page_fault+0x15a/0x3d0
> [ 126.698872] [<ffffffff8113d3c1>] sys_write+0x51/0x90
> [ 126.698877] [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b
> [ 126.698879] Code: 48 8b 45 c8 4c 89 f7 e8 09 05 00 00 4d 89 6c 24
> 10 f0 41 ff 45 10 48 8b 43 18 48 8d 4b 10 4c 89 63 18 49 89 44 24 08
> 49 89 0c 24 <4c> 89 20 4c 89 f8 f0 48 0f c1 03 46 8d 3c 38 45 85 ff 74
> 56 4c
> [ 126.698920] RIP [<ffffffff81520776>] rwsem_down_failed_common+0x66/0x200
> [ 126.698923] RSP <ffff8801f4f17ca0>
> [ 126.698925] CR2: 0000000000000004
> [ 126.698927] ---[ end trace cede871d1b0cf586 ]---
Hmm...doesn't look directly related to CIFS at all this time. I think
there must be some sort of race with the suspend/resume code and
umounts. It looks like the s_umount rwsem was bad while walking the
list of sb's.
I don't see recent changes that stand out at me however...
--
Jeff Layton <jlayton@samba.org>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2010-06-27 12:40 2.6.35-rc3 oops trying to suspend Andrew Hendry
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