I can confirm that the bug is present in both previous kernel versions
(2.6.38-11) and the most recent upstream kernel I was able to find
(3.4.0-030400rc6) in the mainline builds ppa.
Failure is 100% reliable and happens the same way under all kernels.
Here is the relevant dmesg:
[ 188.712133] btrfs csum failed ino 339714 off 103366656 csum 2566472073
private 3685698411
[ 200.646518] btrfs csum failed ino 339714 off 103366656 csum 2566472073
private 3685698411
[ 200.646633] btrfs csum failed ino 339714 off 103366656 csum 2566472073
private 3685698411
[ 200.678699] btrfs csum failed ino 339714 off 103366656 csum 2566472073
private 3685698411
[ 200.678841] btrfs csum failed ino 339714 off 103366656 csum 2566472073
private 3685698411
[ 200.678987] btrfs csum failed ino 339714 off 103366656 csum 2566472073
private 3685698411
[ 200.679137] btrfs csum failed ino 339714 off 103366656 csum 2566472073
private 3685698411
[ 200.679189] ------------[ cut here ]------------
[ 200.679237] kernel BUG at /home/apw/COD/linux/mm/page-writeback.c:2117!
[ 200.679293] invalid opcode: 0000 [#1] SMP
[ 200.679311] CPU 2
[ 200.679320] Modules linked in: rfcomm bnep bluetooth parport_pc ppdev
binfmt_misc xfs dm_crypt rc_dib0700_rc5 ir_lirc_codec lirc_dev
ir_mce_kbd_decoder ds3000 ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder
ir_rc6_decoder cx88_dvb ir_rc5_decoder cx88_vp3054_i2c videobuf_dvb
ir_nec_decoder snd_hda_codec_hdmi rc_tevii_nec snd_hda_codec_realtek
snd_hda_intel snd_hda_codec ext2 snd_hwdep tuner snd_pcm dvb_usb_dib0700
snd_seq_midi dib0090 snd_rawmidi cx8802 dib7000p snd_seq_midi_event cx8800
snd_seq dib7000m cx88xx dib0070 dvb_usb dib8000 dvb_core tveeprom v4l2_common
videodev snd_timer snd_seq_device dib3000mc snd rc_core dibx000_common
videobuf_dma_sg videobuf_core microcode btcx_risc soundcore joydev
snd_page_alloc serio_raw mei(C) mac_hid lm75 it87 hwmon_vid coretemp lp parport
btrfs zlib_deflate libcrc32c usbhid hid r8169 i915 drm_kms_helper drm
i2c_algo_bit video
[ 200.679710]
[ 200.679718] Pid: 3561, comm: mysqld Tainted: G C
3.4.0-030400rc6-generic #201205061835 Gigabyte Technology Co., Ltd.
H55M-D2H/H55M-S2H
[ 200.679762] RIP: 0010:[<ffffffff8112a37e>] [<ffffffff8112a37e>]
clear_page_dirty_for_io+0xee/0x100
[ 200.679798] RSP: 0018:ffff8800cabb9b88 EFLAGS: 00010246
[ 200.679816] RAX: 0100000000000822 RBX: ffffea0001c90040 RCX: 00000000000fe1d5
[ 200.679841] RDX: 00000000000fe1d4 RSI: ffff88009812ce70 RDI: ffffea0001c90040
[ 200.679864] RBP: ffff8800cabb9b98 R08: 0000000000019770 R09: ffffffffa01ac030
[ 200.679889] R10: 0000000000000001 R11: 0000000000000010 R12: ffff8800c56349e0
[ 200.679912] R13: 0000000000000000 R14: ffff880036782b00 R15: 0000000000000001
[ 200.679936] FS: 00007f37964ec700(0000) GS:ffff880117c80000(0000)
knlGS:0000000000000000
[ 200.679963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 200.679982] CR2: 00007fe85003b000 CR3: 0000000110947000 CR4: 00000000000007e0
[ 200.680005] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 200.680030] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 200.680053] Process mysqld (pid: 3561, threadinfo ffff8800cabb8000, task
ffff880104fe96e0)
[ 200.680081] Stack:
[ 200.680088] ffff880036782b00 0000000000000001 ffff8800cabb9c68
ffffffffa0198656
[ 200.680115] ffff8800cabb9c30 ffffffff00000050 ffff8800c56348a0
ffff8800c56348a0
[ 200.680143] ffff880000000000 0000000006295000 00000000cabb9c38
0000000006294c00
[ 200.680169] Call Trace:
[ 200.680199] [<ffffffffa0198656>] prepare_pages+0x306/0x3b0 [btrfs]
[ 200.680232] [<ffffffffa0198899>] __btrfs_buffered_write+0x199/0x340 [btrfs]
[ 200.680267] [<ffffffffa0198dfc>] btrfs_file_aio_write+0x25c/0x370 [btrfs]
[ 200.680291] [<ffffffff8116e916>] ? kmem_cache_free+0xe6/0xf0
[ 200.680312] [<ffffffff810e7467>] ? call_rcu_sched+0x17/0x20
[ 200.680332] [<ffffffff811839c2>] do_sync_write+0xe2/0x120
[ 200.680352] [<ffffffff8119dc0c>] ? destroy_inode+0x3c/0x70
[ 200.680371] [<ffffffff8116e850>] ? kmem_cache_free+0x20/0xf0
[ 200.680392] [<ffffffff812e34b8>] ? apparmor_file_permission+0x18/0x20
[ 200.680415] [<ffffffff812a9cb3>] ? security_file_permission+0x23/0x90
[ 200.680437] [<ffffffff81183f58>] vfs_write+0xc8/0x190
[ 200.680455] [<ffffffff811840b2>] sys_pwrite64+0x92/0xa0
[ 200.680476] [<ffffffff81674ea9>] system_call_fastpath+0x16/0x1b
[ 200.680496] Code: 57 9d 66 66 90 66 90 b8 01 00 00 00 eb 80 0f 1f 80 00 00
00 00 48 89 df e8 20 fd ff ff eb 8a 49 c7 c4 a0 16 c4 81 e9 3e ff ff ff <0f> 0b
eb fe 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89
[ 200.680626] RIP [<ffffffff8112a37e>] clear_page_dirty_for_io+0xee/0x100
[ 200.680650] RSP <ffff8800cabb9b88>
[ 200.743880] ---[ end trace a3826077a2e72a9d ]---
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/999909
Title:
Btrfs crashes after checksum failure
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