[Bug 287966] Akonadi out-of-memory-crash

Bernd Oliver Sünderhauf pancho at kriko.org
Sun Dec 4 00:12:13 GMT 2011


https://bugs.kde.org/show_bug.cgi?id=287966





--- Comment #3 from Bernd Oliver Sünderhauf <pancho kriko org>  2011-12-04 00:12:12 ---
Here's a syslog snippet with the trace of a situation where Akonadi brought the
system down with a black screen. Is an upstream kernel bug the culprit? Or is
this just a coincidence?

---

Dec  3 23:55:16 Luca kernel: [53391.460953] kernel BUG at
/build/buildd/linux-3.0.0/fs/btrfs/extent_io.c:739!
Dec  3 23:55:16 Luca kernel: [53391.461041] invalid opcode: 0000 [#1] SMP 
Dec  3 23:55:16 Luca kernel: [53391.461095] CPU 0 
Dec  3 23:55:16 Luca kernel: [53391.461119] Modules linked in: dm_crypt
snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm
snd_seq_midi snd_rawmidi snd_seq_midi_event ppdev snd_seq snd_timer
snd_seq_device k10temp snd soundcore snd_page_alloc sp5100_tco edac_core
i2c_piix4 edac_mce_amd parport_pc shpchp lp parport btrfs zlib_deflate
libcrc32c radeon ttm drm_kms_helper drm usbhid usb_storage hid uas i2c_algo_bit
pata_atiixp wmi r8169 ahci libahci
Dec  3 23:55:16 Luca kernel: [53391.461658] 
Dec  3 23:55:16 Luca kernel: [53391.461677] Pid: 4543, comm: akonadi_imap_re
Tainted: G        W   3.0.0-14-generic #23-Ubuntu MICRO-STAR INTERNATIONAL
CO.,LTD MS-7596/785GM-E65 (MS-7596)
Dec  3 23:55:16 Luca kernel: [53391.461854] RIP: 0010:[<ffffffffa023a09d>] 
[<ffffffffa023a09d>] set_extent_bit+0x29d/0x510 [btrfs]
Dec  3 23:55:16 Luca kernel: [53391.461979] RSP: 0000:ffff8801140d7888  EFLAGS:
00010246
Dec  3 23:55:16 Luca kernel: [53391.462046] RAX: 0000000000000000 RBX:
000000000001f000 RCX: 0000000000000001
Dec  3 23:55:16 Luca kernel: [53391.462133] RDX: 0000000000000001 RSI:
0000000000000040 RDI: 0000000000000206
Dec  3 23:55:16 Luca kernel: [53391.462221] RBP: ffff8801140d7928 R08:
ffffffff81ab6110 R09: 0000000000000040
Dec  3 23:55:16 Luca kernel: [53391.462309] R10: 0000000000000000 R11:
0000000000000000 R12: 000000000001f000
Dec  3 23:55:16 Luca kernel: [53391.462397] R13: ffff880118944420 R14:
0000000000000050 R15: 0000000000000010
Dec  3 23:55:16 Luca kernel: [53391.462485] FS:  00007fa080e08780(0000)
GS:ffff88011fc00000(0000) knlGS:00000000f6738880
Dec  3 23:55:16 Luca kernel: [53391.462586] CS:  0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Dec  3 23:55:16 Luca kernel: [53391.462656] CR2: 00007f64223da640 CR3:
0000000118ffe000 CR4: 00000000000006f0
Dec  3 23:55:16 Luca kernel: [53391.462744] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Dec  3 23:55:16 Luca kernel: [53391.462831] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Dec  3 23:55:16 Luca kernel: [53391.462918] Process akonadi_imap_re (pid: 4543,
threadinfo ffff8801140d6000, task ffff880093061720)
Dec  3 23:55:16 Luca kernel: [53391.463029] Stack:
Dec  3 23:55:16 Luca kernel: [53391.463054]  0000000000000000 ffff8801140d7920
ffff880100000000 ffff8801140d7960
Dec  3 23:55:16 Luca kernel: [53391.463149]  000000081427c0f8 000000000001ffff
ffff880118944420 ffff8801140d7fd8
Dec  3 23:55:16 Luca kernel: [53391.463244]  0000000000001000 0000000000000000
000000000001e000 0000100800000010
Dec  3 23:55:16 Luca kernel: [53391.463339] Call Trace:
Dec  3 23:55:16 Luca kernel: [53391.463377]  [<ffffffffa023a4e8>]
lock_extent_bits+0x88/0xb0 [btrfs]
Dec  3 23:55:16 Luca kernel: [53391.463464]  [<ffffffffa023a526>]
lock_extent+0x16/0x20 [btrfs]
Dec  3 23:55:16 Luca kernel: [53391.463544]  [<ffffffffa023b6ae>]
__extent_read_full_page+0xce/0x6e0 [btrfs]
Dec  3 23:55:16 Luca kernel: [53391.463633]  [<ffffffff8115fe68>] ?
__mem_cgroup_commit_charge_lrucare+0x78/0xf0
Dec  3 23:55:16 Luca kernel: [53391.463727]  [<ffffffff8110af04>] ?
add_to_page_cache_locked.part.29+0x94/0x100
Dec  3 23:55:16 Luca kernel: [53391.463825]  [<ffffffffa021df10>] ?
btrfs_read_locked_inode+0x410/0x410 [btrfs]
Dec  3 23:55:16 Luca kernel: [53391.463923]  [<ffffffffa023ca90>]
extent_readpages+0xc0/0x100 [btrfs]
Dec  3 23:55:16 Luca kernel: [53391.464022]  [<ffffffffa021df10>] ?
btrfs_read_locked_inode+0x410/0x410 [btrfs]
Dec  3 23:55:16 Luca kernel: [53391.464119]  [<ffffffffa021c80f>]
btrfs_readpages+0x1f/0x30 [btrfs]
Dec  3 23:55:16 Luca kernel: [53391.464198]  [<ffffffff81115378>]
read_pages+0x48/0x100
Dec  3 23:55:16 Luca kernel: [53391.464263]  [<ffffffff81115593>]
__do_page_cache_readahead+0x163/0x180
Dec  3 23:55:16 Luca kernel: [53391.468624]  [<ffffffff81115901>]
ra_submit+0x21/0x30
Dec  3 23:55:16 Luca kernel: [53391.472958]  [<ffffffff815d7bb8>]
do_sync_mmap_readahead.isra.26+0x94/0x9c
Dec  3 23:55:16 Luca kernel: [53391.477338]  [<ffffffff8110cc11>]
filemap_fault+0x361/0x3e0
Dec  3 23:55:16 Luca kernel: [53391.481690]  [<ffffffff8112c6b4>]
__do_fault+0x54/0x510
Dec  3 23:55:16 Luca kernel: [53391.486024]  [<ffffffff8110c543>] ?
generic_file_aio_read+0x153/0x290
Dec  3 23:55:16 Luca kernel: [53391.490372]  [<ffffffff8112fdca>]
handle_pte_fault+0xfa/0x210
Dec  3 23:55:16 Luca kernel: [53391.494707]  [<ffffffff81130298>]
handle_mm_fault+0x1f8/0x350
Dec  3 23:55:16 Luca kernel: [53391.498997]  [<ffffffff81103a90>] ?
__perf_event_task_sched_out+0x30/0x60
Dec  3 23:55:16 Luca kernel: [53391.503321]  [<ffffffff815eedd3>]
do_page_fault+0x153/0x530
Dec  3 23:55:16 Luca kernel: [53391.507655]  [<ffffffff81009702>] ?
__switch_to+0x132/0x310
Dec  3 23:55:16 Luca kernel: [53391.511998]  [<ffffffff8104e94d>] ?
set_next_entity+0x9d/0xb0
Dec  3 23:55:16 Luca kernel: [53391.516325]  [<ffffffff8104e5e9>] ?
finish_task_switch+0x49/0xf0
Dec  3 23:55:16 Luca kernel: [53391.520660]  [<ffffffff815e8db4>] ?
__schedule+0x3d4/0x700
Dec  3 23:55:16 Luca kernel: [53391.525011]  [<ffffffff815ebad5>]
page_fault+0x25/0x30
Dec  3 23:55:16 Luca kernel: [53391.529317] Code: 4c 89 e3 0f 85 e5 fd ff ff 44
8b 7d b8 45 85 ff 0f 84 d8 fd ff ff 8b 7d 18 e8 d0 e8 ff ff 48 85 c0 48 89 45
a8 0f 85 c3 fd ff ff <0f> 0b 90 49 83 7d 28 00 4d 8d 7d 10 0f 84 e2 fd ff ff 48
39 c3 
Dec  3 23:55:16 Luca kernel: [53391.538454] RIP  [<ffffffffa023a09d>]
set_extent_bit+0x29d/0x510 [btrfs]
Dec  3 23:55:16 Luca kernel: [53391.543076]  RSP <ffff8801140d7888>
Dec  3 23:55:16 Luca kernel: [53391.583020] ---[ end trace 0d896fee0a7c08f1
]---

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