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* Kernel BUG: __tree_mod_log_rewind
@ 2013-05-07  9:25 Elladan
  2013-05-07 11:12 ` Jan Schmidt
  0 siblings, 1 reply; 3+ messages in thread
From: Elladan @ 2013-05-07  9:25 UTC (permalink / raw)
  To: linux-btrfs

I can get btrfs to throw a kernel bug easily by running btrfs fi
defrag on some files in 3.9.0:

May  7 01:57:33 caper kernel: [    0.000000] Linux version
3.9.0-030900-generic (apw@gomeisa) (gcc version 4.6.3 (Ubuntu/Linaro
4.6.3-1ubuntu5) ) #201304291257 SMP Mon Apr 29 16:58:15 UTC 2013
...
May  7 02:09:21 caper kernel: [  726.745485] ------------[ cut here
]------------
May  7 02:09:21 caper kernel: [  726.745567] Kernel BUG at
ffffffffa00ea503 [verbose debug info unavailable]
May  7 02:09:21 caper kernel: [  726.745643] invalid opcode: 0000 [#1] SMP
May  7 02:09:21 caper kernel: [  726.745807] Modules linked in:
snd_hrtimer zram(C) bnep rfcomm bluetooth parport_pc ppdev nfsd
nfs_acl auth_rpcgss nfs fscache binfmt_misc lockd sunrpc
snd_hda_codec_hdmi joydev hid_gaff ff_memless snd_usb_
audio snd_usbmidi_lib uvcvideo snd_seq_midi videobuf2_core videodev
snd_rawmidi videobuf2_vmalloc videobuf2_memops snd_seq_midi_event
dm_multipath snd_hda_codec_realtek snd_seq scsi_dh kvm_amd
snd_seq_device snd_hda_intel kvm snd_hda_codec
 snd_hwdep microcode snd_pcm snd_timer k10temp edac_core edac_mce_amd
serio_raw snd sp5100_tco i2c_piix4 soundcore snd_page_alloc mac_hid
wmi it87 hwmon_vid lp parport xfs btrfs raid6_pq zlib_deflate xor
libcrc32c ses enclosure dm_crypt hi
d_generic usbhid hid usb_storage firewire_ohci firewire_core crc_itu_t
ahci pata_acpi pata_atiixp libahci r8169
May  7 02:09:21 caper kernel: [  726.749841] CPU 3
May  7 02:09:21 caper kernel: [  726.749900] Pid: 1703, comm:
btrfs-endio-wri Tainted: G         C   3.9.0-030900-generic
#201304291257 Gigabyte Technology Co., Ltd.
GA-MA790GP-UD4H/GA-MA790GP-UD4H
May  7 02:09:21 caper kernel: [  726.750069] RIP:
0010:[<ffffffffa00ea503>]  [<ffffffffa00ea503>]
__tree_mod_log_rewind+0x253/0x260 [btrfs]
May  7 02:09:21 caper kernel: [  726.750244] RSP:
0018:ffff88011a2e1838  EFLAGS: 00010293
May  7 02:09:21 caper kernel: [  726.750316] RAX: 0000000000000000
RBX: ffff88004b2798f0 RCX: ffff88011a2e17d8
May  7 02:09:21 caper kernel: [  726.750390] RDX: 0000000013f3a75c
RSI: 00000000000005e8 RDI: ffff8800172ea880
May  7 02:09:21 caper kernel: [  726.750463] RBP: ffff88011a2e1868
R08: 0000000000001000 R09: ffff88011a2e17e8
May  7 02:09:21 caper kernel: [  726.750536] R10: 00000000000103db
R11: 0000000000000000 R12: ffff880098cf4d80
May  7 02:09:21 caper kernel: [  726.750609] R13: 000000000000002b
R14: ffff8800172ea700 R15: 000000000009c7a7
May  7 02:09:21 caper kernel: [  726.750683] FS:
00007fa2bc594700(0000) GS:ffff88014fd80000(0000)
knlGS:0000000000000000
May  7 02:09:21 caper kernel: [  726.750770] CS:  0010 DS: 0000 ES:
0000 CR0: 000000008005003b
May  7 02:09:21 caper kernel: [  726.750841] CR2: 00000000fd82c000
CR3: 000000014654d000 CR4: 00000000000007e0
May  7 02:09:21 caper kernel: [  726.750914] DR0: 0000000000000000
DR1: 0000000000000000 DR2: 0000000000000000
May  7 02:09:21 caper kernel: [  726.750987] DR3: 0000000000000000
DR6: 00000000ffff0ff0 DR7: 0000000000000400
May  7 02:09:21 caper kernel: [  726.751061] Process btrfs-endio-wri
(pid: 1703, threadinfo ffff88011a2e0000, task ffff88004a6b2ea0)
May  7 02:09:21 caper kernel: [  726.751147] Stack:
May  7 02:09:21 caper kernel: [  726.751212]  ffff88011a2e1858
ffff880104c8de30 000000000009c7a7 ffff880000000000
May  7 02:09:21 caper kernel: [  726.751488]  00000000a8598000
ffff880148278000 ffff88011a2e18b8 ffffffffa00ea5ef
May  7 02:09:21 caper kernel: [  726.751763]  ffff880098cf4d80
ffff88004b2798f0 ffff8800338d3000 0000000000000001
May  7 02:09:21 caper kernel: [  726.752038] Call Trace:
May  7 02:09:21 caper kernel: [  726.752135]  [<ffffffffa00ea5ef>]
tree_mod_log_rewind+0xdf/0x240 [btrfs]
May  7 02:09:21 caper kernel: [  726.752237]  [<ffffffffa00f25cb>]
btrfs_search_old_slot+0x4cb/0x670 [btrfs]
May  7 02:09:21 caper kernel: [  726.752351]  [<ffffffffa016d118>]
__resolve_indirect_ref+0xc8/0x150 [btrfs]
May  7 02:09:21 caper kernel: [  726.752462]  [<ffffffffa016d23e>]
__resolve_indirect_refs+0x9e/0x200 [btrfs]
May  7 02:09:21 caper kernel: [  726.752573]  [<ffffffffa016da3d>]
find_parent_nodes+0x45d/0x6b0 [btrfs]
May  7 02:09:21 caper kernel: [  726.752684]  [<ffffffffa016dd29>]
btrfs_find_all_roots+0x99/0x100 [btrfs]
May  7 02:09:21 caper kernel: [  726.752792]  [<ffffffffa0119620>] ?
btrfs_submit_direct+0x190/0x190 [btrfs]
May  7 02:09:21 caper kernel: [  726.752901]  [<ffffffffa0119620>] ?
btrfs_submit_direct+0x190/0x190 [btrfs]
May  7 02:09:21 caper kernel: [  726.753012]  [<ffffffffa016e977>]
iterate_extent_inodes+0x177/0x2c0 [btrfs]
May  7 02:09:21 caper kernel: [  726.753123]  [<ffffffffa016eb52>]
iterate_inodes_from_logical+0x92/0xb0 [btrfs]
May  7 02:09:21 caper kernel: [  726.753244]  [<ffffffffa0119620>] ?
btrfs_submit_direct+0x190/0x190 [btrfs]
May  7 02:09:21 caper kernel: [  726.753353]  [<ffffffffa0115a68>]
record_extent_backrefs+0x78/0xf0 [btrfs]
May  7 02:09:21 caper kernel: [  726.753462]  [<ffffffffa0120a54>]
relink_file_extents+0x44/0x180 [btrfs]
May  7 02:09:21 caper kernel: [  726.753571]  [<ffffffffa0120cc5>]
btrfs_finish_ordered_io+0x135/0x4d0 [btrfs]
May  7 02:09:21 caper kernel: [  726.753681]  [<ffffffffa0121075>]
finish_ordered_fn+0x15/0x20 [btrfs]
May  7 02:09:21 caper kernel: [  726.753791]  [<ffffffffa0140bb0>]
worker_loop+0xa0/0x320 [btrfs]
May  7 02:09:21 caper kernel: [  726.753901]  [<ffffffffa0140b10>] ?
check_pending_worker_creates.isra.1+0xf0/0xf0 [btrfs]
May  7 02:09:21 caper kernel: [  726.753994]  [<ffffffff810802e0>]
kthread+0xc0/0xd0
May  7 02:09:21 caper kernel: [  726.754069]  [<ffffffff81080220>] ?
flush_kthread_worker+0xb0/0xb0
May  7 02:09:21 caper kernel: [  726.754145]  [<ffffffff8170d42c>]
ret_from_fork+0x7c/0xb0
May  7 02:09:21 caper kernel: [  726.754219]  [<ffffffff81080220>] ?
flush_kthread_worker+0xb0/0xb0
May  7 02:09:21 caper kernel: [  726.754291] Code: c1 49 63 46 58 48
89 c2 48 c1 e2 05 48 8d 54 10 65 49 63 46 2c 48 89 c6 48 c1 e6 05 48
8d 74 30 65 e8 92 a6 04 00 e9 a5 fe ff ff <0f> 0b 66 66 2e 0f 1f 84 00
00 00 00 00 66 66 66 66 90 55 48 89
May  7 02:09:21 caper kernel: [  726.757471] RIP  [<ffffffffa00ea503>]
__tree_mod_log_rewind+0x253/0x260 [btrfs]
May  7 02:09:21 caper kernel: [  726.757629]  RSP <ffff88011a2e1838>
May  7 02:09:21 caper kernel: [  726.757753] ---[ end trace
42a0fb7efe948f77 ]---
May  7 02:09:23 caper NetworkManager[2178]: <info> Unmanaged Device
found; state CONNECTED forced. (see
http://bugs.launchpad.net/bugs/191889)
May  7 02:11:16 caper kernel: [  841.892609] SysRq : Emergency Sync
May  7 02:11:17 caper kernel: [  842.672206] SysRq : Emergency Remount R/O

This happens repeatably a few minutes after I run a find /home -type f
| xargs -n1 btrfs fi defragment -v

-J

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Kernel BUG: __tree_mod_log_rewind
  2013-05-07  9:25 Kernel BUG: __tree_mod_log_rewind Elladan
@ 2013-05-07 11:12 ` Jan Schmidt
  2013-05-25 22:42   ` Piotr Pawłow
  0 siblings, 1 reply; 3+ messages in thread
From: Jan Schmidt @ 2013-05-07 11:12 UTC (permalink / raw)
  To: Elladan; +Cc: linux-btrfs

On Tue, May 07, 2013 at 11:25 (+0200), Elladan wrote:
> I can get btrfs to throw a kernel bug easily by running btrfs fi
> defrag on some files in 3.9.0:

Thanks for reporting. It's a known bug (that ought to be fixed before the 3.9
release in fact). You can either use btrfs-next or apply the commits mentioned
in my previous email today:

On Tue, May 07, 2013 at 08:08 (+0200), Jan Schmidt wrote:
> In git log order:
>
> 6ced2666 Btrfs: separate sequence numbers for delayed ref tracking and tree
> mod log
> ef9120b1 Btrfs: fix tree mod log regression on root split operations
> 2ed098ca Btrfs: fix accessing the root pointer in tree mod log functions
> 50723551 Btrfs: fix unlock after free on rewinded tree blocks
>
> The commit ids are from josef's master branch
> (git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git) which is
> known not to be very stable regarding commit ids.

Either way should fix your problem. An alternative is to wait for a 3.9 stable
release after those fixes are in mainline (which should happen within the next
seven days, I hope). Not using defrag, autodefrag or qgroups might also be an
effective workaround, but no guarantees on that.

-Jan

> May  7 01:57:33 caper kernel: [    0.000000] Linux version
> 3.9.0-030900-generic (apw@gomeisa) (gcc version 4.6.3 (Ubuntu/Linaro
> 4.6.3-1ubuntu5) ) #201304291257 SMP Mon Apr 29 16:58:15 UTC 2013
> ...
> May  7 02:09:21 caper kernel: [  726.745485] ------------[ cut here
> ]------------
> May  7 02:09:21 caper kernel: [  726.745567] Kernel BUG at
> ffffffffa00ea503 [verbose debug info unavailable]
> May  7 02:09:21 caper kernel: [  726.745643] invalid opcode: 0000 [#1] SMP
> May  7 02:09:21 caper kernel: [  726.745807] Modules linked in:
> snd_hrtimer zram(C) bnep rfcomm bluetooth parport_pc ppdev nfsd
> nfs_acl auth_rpcgss nfs fscache binfmt_misc lockd sunrpc
> snd_hda_codec_hdmi joydev hid_gaff ff_memless snd_usb_
> audio snd_usbmidi_lib uvcvideo snd_seq_midi videobuf2_core videodev
> snd_rawmidi videobuf2_vmalloc videobuf2_memops snd_seq_midi_event
> dm_multipath snd_hda_codec_realtek snd_seq scsi_dh kvm_amd
> snd_seq_device snd_hda_intel kvm snd_hda_codec
>  snd_hwdep microcode snd_pcm snd_timer k10temp edac_core edac_mce_amd
> serio_raw snd sp5100_tco i2c_piix4 soundcore snd_page_alloc mac_hid
> wmi it87 hwmon_vid lp parport xfs btrfs raid6_pq zlib_deflate xor
> libcrc32c ses enclosure dm_crypt hi
> d_generic usbhid hid usb_storage firewire_ohci firewire_core crc_itu_t
> ahci pata_acpi pata_atiixp libahci r8169
> May  7 02:09:21 caper kernel: [  726.749841] CPU 3
> May  7 02:09:21 caper kernel: [  726.749900] Pid: 1703, comm:
> btrfs-endio-wri Tainted: G         C   3.9.0-030900-generic
> #201304291257 Gigabyte Technology Co., Ltd.
> GA-MA790GP-UD4H/GA-MA790GP-UD4H
> May  7 02:09:21 caper kernel: [  726.750069] RIP:
> 0010:[<ffffffffa00ea503>]  [<ffffffffa00ea503>]
> __tree_mod_log_rewind+0x253/0x260 [btrfs]
> May  7 02:09:21 caper kernel: [  726.750244] RSP:
> 0018:ffff88011a2e1838  EFLAGS: 00010293
> May  7 02:09:21 caper kernel: [  726.750316] RAX: 0000000000000000
> RBX: ffff88004b2798f0 RCX: ffff88011a2e17d8
> May  7 02:09:21 caper kernel: [  726.750390] RDX: 0000000013f3a75c
> RSI: 00000000000005e8 RDI: ffff8800172ea880
> May  7 02:09:21 caper kernel: [  726.750463] RBP: ffff88011a2e1868
> R08: 0000000000001000 R09: ffff88011a2e17e8
> May  7 02:09:21 caper kernel: [  726.750536] R10: 00000000000103db
> R11: 0000000000000000 R12: ffff880098cf4d80
> May  7 02:09:21 caper kernel: [  726.750609] R13: 000000000000002b
> R14: ffff8800172ea700 R15: 000000000009c7a7
> May  7 02:09:21 caper kernel: [  726.750683] FS:
> 00007fa2bc594700(0000) GS:ffff88014fd80000(0000)
> knlGS:0000000000000000
> May  7 02:09:21 caper kernel: [  726.750770] CS:  0010 DS: 0000 ES:
> 0000 CR0: 000000008005003b
> May  7 02:09:21 caper kernel: [  726.750841] CR2: 00000000fd82c000
> CR3: 000000014654d000 CR4: 00000000000007e0
> May  7 02:09:21 caper kernel: [  726.750914] DR0: 0000000000000000
> DR1: 0000000000000000 DR2: 0000000000000000
> May  7 02:09:21 caper kernel: [  726.750987] DR3: 0000000000000000
> DR6: 00000000ffff0ff0 DR7: 0000000000000400
> May  7 02:09:21 caper kernel: [  726.751061] Process btrfs-endio-wri
> (pid: 1703, threadinfo ffff88011a2e0000, task ffff88004a6b2ea0)
> May  7 02:09:21 caper kernel: [  726.751147] Stack:
> May  7 02:09:21 caper kernel: [  726.751212]  ffff88011a2e1858
> ffff880104c8de30 000000000009c7a7 ffff880000000000
> May  7 02:09:21 caper kernel: [  726.751488]  00000000a8598000
> ffff880148278000 ffff88011a2e18b8 ffffffffa00ea5ef
> May  7 02:09:21 caper kernel: [  726.751763]  ffff880098cf4d80
> ffff88004b2798f0 ffff8800338d3000 0000000000000001
> May  7 02:09:21 caper kernel: [  726.752038] Call Trace:
> May  7 02:09:21 caper kernel: [  726.752135]  [<ffffffffa00ea5ef>]
> tree_mod_log_rewind+0xdf/0x240 [btrfs]
> May  7 02:09:21 caper kernel: [  726.752237]  [<ffffffffa00f25cb>]
> btrfs_search_old_slot+0x4cb/0x670 [btrfs]
> May  7 02:09:21 caper kernel: [  726.752351]  [<ffffffffa016d118>]
> __resolve_indirect_ref+0xc8/0x150 [btrfs]
> May  7 02:09:21 caper kernel: [  726.752462]  [<ffffffffa016d23e>]
> __resolve_indirect_refs+0x9e/0x200 [btrfs]
> May  7 02:09:21 caper kernel: [  726.752573]  [<ffffffffa016da3d>]
> find_parent_nodes+0x45d/0x6b0 [btrfs]
> May  7 02:09:21 caper kernel: [  726.752684]  [<ffffffffa016dd29>]
> btrfs_find_all_roots+0x99/0x100 [btrfs]
> May  7 02:09:21 caper kernel: [  726.752792]  [<ffffffffa0119620>] ?
> btrfs_submit_direct+0x190/0x190 [btrfs]
> May  7 02:09:21 caper kernel: [  726.752901]  [<ffffffffa0119620>] ?
> btrfs_submit_direct+0x190/0x190 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753012]  [<ffffffffa016e977>]
> iterate_extent_inodes+0x177/0x2c0 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753123]  [<ffffffffa016eb52>]
> iterate_inodes_from_logical+0x92/0xb0 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753244]  [<ffffffffa0119620>] ?
> btrfs_submit_direct+0x190/0x190 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753353]  [<ffffffffa0115a68>]
> record_extent_backrefs+0x78/0xf0 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753462]  [<ffffffffa0120a54>]
> relink_file_extents+0x44/0x180 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753571]  [<ffffffffa0120cc5>]
> btrfs_finish_ordered_io+0x135/0x4d0 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753681]  [<ffffffffa0121075>]
> finish_ordered_fn+0x15/0x20 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753791]  [<ffffffffa0140bb0>]
> worker_loop+0xa0/0x320 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753901]  [<ffffffffa0140b10>] ?
> check_pending_worker_creates.isra.1+0xf0/0xf0 [btrfs]
> May  7 02:09:21 caper kernel: [  726.753994]  [<ffffffff810802e0>]
> kthread+0xc0/0xd0
> May  7 02:09:21 caper kernel: [  726.754069]  [<ffffffff81080220>] ?
> flush_kthread_worker+0xb0/0xb0
> May  7 02:09:21 caper kernel: [  726.754145]  [<ffffffff8170d42c>]
> ret_from_fork+0x7c/0xb0
> May  7 02:09:21 caper kernel: [  726.754219]  [<ffffffff81080220>] ?
> flush_kthread_worker+0xb0/0xb0
> May  7 02:09:21 caper kernel: [  726.754291] Code: c1 49 63 46 58 48
> 89 c2 48 c1 e2 05 48 8d 54 10 65 49 63 46 2c 48 89 c6 48 c1 e6 05 48
> 8d 74 30 65 e8 92 a6 04 00 e9 a5 fe ff ff <0f> 0b 66 66 2e 0f 1f 84 00
> 00 00 00 00 66 66 66 66 90 55 48 89
> May  7 02:09:21 caper kernel: [  726.757471] RIP  [<ffffffffa00ea503>]
> __tree_mod_log_rewind+0x253/0x260 [btrfs]
> May  7 02:09:21 caper kernel: [  726.757629]  RSP <ffff88011a2e1838>
> May  7 02:09:21 caper kernel: [  726.757753] ---[ end trace
> 42a0fb7efe948f77 ]---
> May  7 02:09:23 caper NetworkManager[2178]: <info> Unmanaged Device
> found; state CONNECTED forced. (see
> http://bugs.launchpad.net/bugs/191889)
> May  7 02:11:16 caper kernel: [  841.892609] SysRq : Emergency Sync
> May  7 02:11:17 caper kernel: [  842.672206] SysRq : Emergency Remount R/O
> 
> This happens repeatably a few minutes after I run a find /home -type f
> | xargs -n1 btrfs fi defragment -v
> 
> -J
> --
> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Kernel BUG: __tree_mod_log_rewind
  2013-05-07 11:12 ` Jan Schmidt
@ 2013-05-25 22:42   ` Piotr Pawłow
  0 siblings, 0 replies; 3+ messages in thread
From: Piotr Pawłow @ 2013-05-25 22:42 UTC (permalink / raw)
  To: linux-btrfs

>> I can get btrfs to throw a kernel bug easily by running btrfs fi defrag
>> on some files in 3.9.0:
> 
> Thanks for reporting. It's a known bug (that ought to be fixed before
> the 3.9 release in fact).

I'm still getting a BUG in __tree_mod_log_rewind on kernels 3.9.2 and 3.10-rc2
when trying to defragment my Steam folder:

[420853.901366] ------------[ cut here ]------------
[420853.901371] Kernel BUG at ffffffffa0136503 [verbose debug info unavailable]
[420853.901374] invalid opcode: 0000 [#1] SMP 
[420853.901376] Modules linked in: nls_iso8859_1 pci_stub snd_hrtimer parport_pc ppdev bnep rfcomm bluetooth binfmt_misc dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec kvm_intel snd_hwdep snd_pcm snd_seq_midi kvm snd_rawmidi snd_seq_midi_event snd_seq dm_multipath snd_timer snd_seq_device scsi_dh microcode snd serio_raw soundcore gpio_ich nvidia(POF) snd_page_alloc lpc_ich mac_hid asus_atk0110 hwmon_vid coretemp lp parport btrfs zlib_deflate libcrc32c raid10 raid456 async_memcpy async_raid6_recov async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear hid_generic hid_a4tech usbhid hid dm_mirror dm_region_hash dm_log usb_storage firewire_ohci firewire_core crc_itu_t 8139too 8139cp atl1 [last unloaded: vboxdrv]
[420853.901417] CPU 0 
[420853.901421] Pid: 17770, comm: btrfs-endio-wri Tainted: PF          O 3.9.2-030902-generic #201305111035 System manufacturer P5KC/P5KC
[420853.901423] RIP: 0010:[<ffffffffa0136503>]  [<ffffffffa0136503>] __tree_mod_log_rewind+0x253/0x260 [btrfs]
[420853.901442] RSP: 0018:ffff880116eab838  EFLAGS: 00010293
[420853.901444] RAX: 0000000000000000 RBX: ffff88007631a930 RCX: ffff880116eab7d8
[420853.901446] RDX: 0000000028c78f56 RSI: 0000000000000819 RDI: ffff88004f9bcd00
[420853.901447] RBP: ffff880116eab868 R08: 0000000000001000 R09: ffff880116eab7e8
[420853.901449] R10: 000000000002f96f R11: 0000000000000000 R12: ffff880124a67b80
[420853.901451] R13: 000000000000003c R14: ffff8801015bc500 R15: 00000000000014f7
[420853.901453] FS:  0000000000000000(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000
[420853.901455] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[420853.901456] CR2: 00007fe6f0b19928 CR3: 00000000c6106000 CR4: 00000000000007f0
[420853.901458] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[420853.901460] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[420853.901462] Process btrfs-endio-wri (pid: 17770, threadinfo ffff880116eaa000, task ffff880115f05d40)
[420853.901463] Stack:
[420853.901464]  ffff880116eab858 ffff88001c1f0a80 00000000000014f7 ffff880000000000
[420853.901468]  00000001264d3000 ffff880123b44000 ffff880116eab8b8 ffffffffa01365ef
[420853.901471]  ffff880124a67b80 ffff88007631a930 ffff88005ce97800 0000000000000001
[420853.901474] Call Trace:
[420853.901484]  [<ffffffffa01365ef>] tree_mod_log_rewind+0xdf/0x240 [btrfs]
[420853.901493]  [<ffffffffa013e5cb>] btrfs_search_old_slot+0x4cb/0x670 [btrfs]
[420853.901507]  [<ffffffffa01b9238>] __resolve_indirect_ref+0xc8/0x150 [btrfs]
[420853.901519]  [<ffffffffa0157f7f>] ? btree_read_extent_buffer_pages.constprop.121+0xcf/0x120 [btrfs]
[420853.901532]  [<ffffffffa01b935e>] __resolve_indirect_refs+0x9e/0x200 [btrfs]
[420853.901544]  [<ffffffffa01b8e79>] ? __add_missing_keys.isra.13+0x89/0x120 [btrfs]
[420853.901557]  [<ffffffffa01b9b5d>] find_parent_nodes+0x45d/0x6b0 [btrfs]
[420853.901570]  [<ffffffffa01b9e49>] btrfs_find_all_roots+0x99/0x100 [btrfs]
[420853.901575]  [<ffffffff81187854>] ? kfree+0x134/0x170
[420853.901587]  [<ffffffffa0165620>] ? btrfs_submit_direct+0x190/0x190 [btrfs]
[420853.901599]  [<ffffffffa0165620>] ? btrfs_submit_direct+0x190/0x190 [btrfs]
[420853.901612]  [<ffffffffa01baa97>] iterate_extent_inodes+0x177/0x2c0 [btrfs]
[420853.901625]  [<ffffffffa01bac72>] iterate_inodes_from_logical+0x92/0xb0 [btrfs]
[420853.901637]  [<ffffffffa0165620>] ? btrfs_submit_direct+0x190/0x190 [btrfs]
[420853.901648]  [<ffffffffa0161a68>] record_extent_backrefs+0x78/0xf0 [btrfs]
[420853.901661]  [<ffffffffa016cb24>] relink_file_extents+0x44/0x180 [btrfs]
[420853.901673]  [<ffffffffa016cd95>] btrfs_finish_ordered_io+0x135/0x4d0 [btrfs]
[420853.901685]  [<ffffffffa016d145>] finish_ordered_fn+0x15/0x20 [btrfs]
[420853.901698]  [<ffffffffa018cc80>] worker_loop+0xa0/0x320 [btrfs]
[420853.901710]  [<ffffffffa018cbe0>] ? check_pending_worker_creates.isra.1+0xf0/0xf0 [btrfs]
[420853.901714]  [<ffffffff810804a0>] kthread+0xc0/0xd0
[420853.901717]  [<ffffffff810803e0>] ? flush_kthread_worker+0xb0/0xb0
[420853.901722]  [<ffffffff817126ec>] ret_from_fork+0x7c/0xb0
[420853.901724]  [<ffffffff810803e0>] ? flush_kthread_worker+0xb0/0xb0
[420853.901726] Code: c1 49 63 46 58 48 89 c2 48 c1 e2 05 48 8d 54 10 65 49 63 46 2c 48 89 c6 48 c1 e6 05 48 8d 74 30 65 e8 62 a7 04 00 e9 a5 fe ff ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 
[420853.901754] RIP  [<ffffffffa0136503>] __tree_mod_log_rewind+0x253/0x260 [btrfs]
[420853.901763]  RSP <ffff880116eab838>
[420853.901766] ---[ end trace 594047585a976e99 ]---

and 3.10-rc2:

[  485.921762] ------------[ cut here ]------------
[  485.921767] Kernel BUG at ffffffffa0124ea3 [verbose debug info unavailable]
[  485.921769] invalid opcode: 0000 [#1] SMP 
[  485.921772] Modules linked in: snd_hrtimer dm_crypt snd_hda_codec_hdmi dm_multipath snd_hda_codec_realtek snd_hda_intel scsi_dh snd_hda_codec snd_hwdep nvidia(POF) kvm_intel parport_pc gpio_ich snd_pcm ppdev serio_raw kvm snd_page_alloc snd_seq_midi lpc_ich snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer asus_atk0110 snd drm mac_hid microcode soundcore rfcomm bnep bluetooth hwmon_vid coretemp lp parport binfmt_misc btrfs zlib_deflate libcrc32c raid10 raid456 async_memcpy async_raid6_recov async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear hid_generic hid_a4tech usbhid hid dm_mirror dm_region_hash dm_log firewire_ohci firewire_core crc_itu_t 8139too 8139cp atl1
[  485.921809] CPU: 0 PID: 1568 Comm: btrfs-endio-wri Tainted: PF          O 3.10.0-031000rc2-generic #201305201835
[  485.921811] Hardware name: System manufacturer P5KC/P5KC, BIOS 1203    06/25/2008
[  485.921812] task: ffff880125515dc0 ti: ffff880127232000 task.ti: ffff880127232000
[  485.921814] RIP: 0010:[<ffffffffa0124ea3>]  [<ffffffffa0124ea3>] __tree_mod_log_rewind+0x253/0x260 [btrfs]
[  485.921833] RSP: 0018:ffff880127233848  EFLAGS: 00010297
[  485.921834] RAX: 0000000000000000 RBX: ffff88007e832dc0 RCX: ffff8801272337e8
[  485.921836] RDX: 0000000028c3f233 RSI: 0000000000000e6a RDI: ffff8801259a9f00
[  485.921838] RBP: ffff880127233878 R08: 0000000000001000 R09: ffff8801272337f8
[  485.921839] R10: 000000000002adad R11: 0000000000000000 R12: ffff8801273c5680
[  485.921841] R13: 000000000000006d R14: ffff8800c97fa800 R15: 0000006c00000000
[  485.921843] FS:  0000000000000000(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000
[  485.921844] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  485.921846] CR2: 00007f42852d0000 CR3: 0000000035193000 CR4: 00000000000007f0
[  485.921847] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  485.921849] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  485.921850] Stack:
[  485.921851]  ffff880127233868 ffff88007d0228c0 0000006c00000000 ffff880000000000
[  485.921854]  0000000049f37000 ffff880123ae4000 ffff8801272338c8 ffffffffa0124fab
[  485.921857]  ffff8801273c5680 ffff88007e832dc0 ffff8801293a5a20 0000000000000001
[  485.921860] Call Trace:
[  485.921869]  [<ffffffffa0124fab>] tree_mod_log_rewind+0xfb/0x260 [btrfs]
[  485.921878]  [<ffffffffa012d1a8>] btrfs_search_old_slot+0x538/0x6c0 [btrfs]
[  485.921892]  [<ffffffffa01a6848>] __resolve_indirect_ref+0xc8/0x150 [btrfs]
[  485.921904]  [<ffffffffa01a6966>] __resolve_indirect_refs+0x96/0x1f0 [btrfs]
[  485.921917]  [<ffffffffa016d395>] ? free_extent_buffer+0x35/0x40 [btrfs]
[  485.921930]  [<ffffffffa01a717b>] find_parent_nodes+0x47b/0x6d0 [btrfs]
[  485.921942]  [<ffffffffa01a7469>] btrfs_find_all_roots+0x99/0x100 [btrfs]
[  485.921954]  [<ffffffffa0153cf0>] ? btrfs_submit_direct+0x1b0/0x1b0 [btrfs]
[  485.921966]  [<ffffffffa0153cf0>] ? btrfs_submit_direct+0x1b0/0x1b0 [btrfs]
[  485.921979]  [<ffffffffa01a7ff5>] iterate_extent_inodes+0x135/0x250 [btrfs]
[  485.921991]  [<ffffffffa01a81a2>] iterate_inodes_from_logical+0x92/0xb0 [btrfs]
[  485.922003]  [<ffffffffa0153cf0>] ? btrfs_submit_direct+0x1b0/0x1b0 [btrfs]
[  485.922014]  [<ffffffffa0150148>] record_extent_backrefs+0x78/0xf0 [btrfs]
[  485.922026]  [<ffffffffa015b1e4>] relink_file_extents+0x44/0x180 [btrfs]
[  485.922038]  [<ffffffffa015b455>] btrfs_finish_ordered_io+0x135/0x4d0 [btrfs]
[  485.922049]  [<ffffffffa015b805>] finish_ordered_fn+0x15/0x20 [btrfs]
[  485.922061]  [<ffffffffa017aba0>] worker_loop+0xa0/0x2f0 [btrfs]
[  485.922074]  [<ffffffffa017ab00>] ? check_pending_worker_creates.isra.1+0xe0/0xe0 [btrfs]
[  485.922079]  [<ffffffff8106b890>] kthread+0xc0/0xd0
[  485.922081]  [<ffffffff8106b7d0>] ? flush_kthread_worker+0xb0/0xb0
[  485.922085]  [<ffffffff816d59dc>] ret_from_fork+0x7c/0xb0
[  485.922088]  [<ffffffff8106b7d0>] ? flush_kthread_worker+0xb0/0xb0
[  485.922089] Code: c1 49 63 46 58 48 89 c2 48 c1 e2 05 48 8d 54 10 65 49 63 46 2c 48 89 c6 48 c1 e6 05 48 8d 74 30 65 e8 62 9e 04 00 e9 a5 fe ff ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 
[  485.922114] RIP  [<ffffffffa0124ea3>] __tree_mod_log_rewind+0x253/0x260 [btrfs]
[  485.922123]  RSP <ffff880127233848>
[  485.922125] ---[ end trace c99a0e9f2e380154 ]---
[  491.584786] ------------[ cut here ]------------
[  491.584791] Kernel BUG at ffffffffa0124ea3 [verbose debug info unavailable]
[  491.584794] invalid opcode: 0000 [#2] SMP 
[  491.584796] Modules linked in: snd_hrtimer dm_crypt snd_hda_codec_hdmi dm_multipath snd_hda_codec_realtek snd_hda_intel scsi_dh snd_hda_codec snd_hwdep nvidia(POF) kvm_intel parport_pc gpio_ich snd_pcm ppdev serio_raw kvm snd_page_alloc snd_seq_midi lpc_ich snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer asus_atk0110 snd drm mac_hid microcode soundcore rfcomm bnep bluetooth hwmon_vid coretemp lp parport binfmt_misc btrfs zlib_deflate libcrc32c raid10 raid456 async_memcpy async_raid6_recov async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear hid_generic hid_a4tech usbhid hid dm_mirror dm_region_hash dm_log firewire_ohci firewire_core crc_itu_t 8139too 8139cp atl1
[  491.584833] CPU: 1 PID: 2644 Comm: btrfs-endio-wri Tainted: PF     D    O 3.10.0-031000rc2-generic #201305201835
[  491.584834] Hardware name: System manufacturer P5KC/P5KC, BIOS 1203    06/25/2008
[  491.584836] task: ffff880124385dc0 ti: ffff880124aea000 task.ti: ffff880124aea000
[  491.584838] RIP: 0010:[<ffffffffa0124ea3>]  [<ffffffffa0124ea3>] __tree_mod_log_rewind+0x253/0x260 [btrfs]
[  491.584855] RSP: 0018:ffff880124aeb788  EFLAGS: 00010297
[  491.584857] RAX: 0000000000000000 RBX: ffff8800503c5400 RCX: ffff880124aeb728
[  491.584858] RDX: 0000000028c68560 RSI: 0000000000000a8c RDI: ffff8800463acc80
[  491.584860] RBP: ffff880124aeb7b8 R08: 0000000000001000 R09: ffff880124aeb738
[  491.584861] R10: 000000000002af03 R11: 0000000000000000 R12: ffff880047951380
[  491.584863] R13: 000000000000004f R14: ffff8800463acb00 R15: 0000041600000000
[  491.584865] FS:  0000000000000000(0000) GS:ffff88012fc80000(0000) knlGS:0000000000000000
[  491.584867] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  491.584868] CR2: 00007f0afdc7f000 CR3: 00000000b23bd000 CR4: 00000000000007e0
[  491.584870] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  491.584871] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  491.584872] Stack:
[  491.584874]  ffff880124aeb7a8 ffff8800503c5040 0000041600000000 ffff880000000000
[  491.584877]  00000000497fb000 ffff880123ae4000 ffff880124aeb808 ffffffffa0124fab
[  491.584879]  ffff880047951380 ffff8800503c5400 ffff8801293a9cf0 0000000000000001
[  491.584882] Call Trace:
[  491.584892]  [<ffffffffa0124fab>] tree_mod_log_rewind+0xfb/0x260 [btrfs]
[  491.584901]  [<ffffffffa012d1a8>] btrfs_search_old_slot+0x538/0x6c0 [btrfs]
[  491.584910]  [<ffffffffa012f4cd>] btrfs_next_old_leaf+0xed/0x450 [btrfs]
[  491.584923]  [<ffffffffa01644e6>] ? btrfs_get_token_64+0x26/0xf0 [btrfs]
[  491.584937]  [<ffffffffa01a66ac>] add_all_parents.isra.15+0x18c/0x260 [btrfs]
[  491.584949]  [<ffffffffa01a68ae>] __resolve_indirect_ref+0x12e/0x150 [btrfs]
[  491.584961]  [<ffffffffa01a6966>] __resolve_indirect_refs+0x96/0x1f0 [btrfs]
[  491.584974]  [<ffffffffa01a717b>] find_parent_nodes+0x47b/0x6d0 [btrfs]
[  491.584985]  [<ffffffffa0153cf0>] ? btrfs_submit_direct+0x1b0/0x1b0 [btrfs]
[  491.584997]  [<ffffffffa0153cf0>] ? btrfs_submit_direct+0x1b0/0x1b0 [btrfs]
[  491.585009]  [<ffffffffa0153cf0>] ? btrfs_submit_direct+0x1b0/0x1b0 [btrfs]
[  491.585021]  [<ffffffffa01a7fa0>] iterate_extent_inodes+0xe0/0x250 [btrfs]
[  491.585034]  [<ffffffffa016d395>] ? free_extent_buffer+0x35/0x40 [btrfs]
[  491.585046]  [<ffffffffa01a81a2>] iterate_inodes_from_logical+0x92/0xb0 [btrfs]
[  491.585058]  [<ffffffffa0153cf0>] ? btrfs_submit_direct+0x1b0/0x1b0 [btrfs]
[  491.585069]  [<ffffffffa0150148>] record_extent_backrefs+0x78/0xf0 [btrfs]
[  491.585081]  [<ffffffffa015b1e4>] relink_file_extents+0x44/0x180 [btrfs]
[  491.585093]  [<ffffffffa015b455>] btrfs_finish_ordered_io+0x135/0x4d0 [btrfs]
[  491.585104]  [<ffffffffa015b805>] finish_ordered_fn+0x15/0x20 [btrfs]
[  491.585117]  [<ffffffffa017aba0>] worker_loop+0xa0/0x2f0 [btrfs]
[  491.585129]  [<ffffffffa017ab00>] ? check_pending_worker_creates.isra.1+0xe0/0xe0 [btrfs]
[  491.585133]  [<ffffffff8106b890>] kthread+0xc0/0xd0
[  491.585136]  [<ffffffff8106b7d0>] ? flush_kthread_worker+0xb0/0xb0
[  491.585140]  [<ffffffff816d59dc>] ret_from_fork+0x7c/0xb0
[  491.585142]  [<ffffffff8106b7d0>] ? flush_kthread_worker+0xb0/0xb0
[  491.585144] Code: c1 49 63 46 58 48 89 c2 48 c1 e2 05 48 8d 54 10 65 49 63 46 2c 48 89 c6 48 c1 e6 05 48 8d 74 30 65 e8 62 9e 04 00 e9 a5 fe ff ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 
[  491.585169] RIP  [<ffffffffa0124ea3>] __tree_mod_log_rewind+0x253/0x260 [btrfs]
[  491.585177]  RSP <ffff880124aeb788>
[  491.585180] ---[ end trace c99a0e9f2e380155 ]---


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-05-25 22:50 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-05-07  9:25 Kernel BUG: __tree_mod_log_rewind Elladan
2013-05-07 11:12 ` Jan Schmidt
2013-05-25 22:42   ` Piotr Pawłow

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