#19593 – уходит в ядро и не возвращается

Bug 19593 - уходит в ядро и не возвращается

Summary: уходит в ядро и не возвращается

Status:	NEW

Alias:	None

Product:	Sisyphus
Classification:	Development
Component:	mount (show other bugs)
Version:	unstable
Hardware:	all Linux

Importance:	P3 normal
Assignee:	Alexey Gladkov
QA Contact:	qa-sisyphus

URL:
Keywords:

Depends on:
Blocks:

Reported:	2009-04-13 10:52 MSD by ildar
Modified:	2009-10-04 15:58 MSD (History)
CC List:	7 users (show)

See Also:

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Description

ildar 2009-04-13 10:52:05 MSD

Команда

/bin/mount -t xfs -o nodev,noauto,nosuid,user,async,atime,noexec /dev/loop7 /mnt/tmp &

при этом на /dev/loop7 ничего нет!
остальные ФС отрабатывают при этом нормально (по логам).
# uname --kernel-release 
2.6.25-std-def-alt9


Apr 13 12:39:34 ildar kernel: INFO: task mount:16536 blocked for more than 120 s
econds.
Apr 13 12:39:34 ildar kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
 disables this message.
Apr 13 12:39:34 ildar kernel: mount         D c026f36b     0 16536  16324
Apr 13 12:39:34 ildar kernel:        f2b1d7b0 00000082 f7899a5c c026f36b 000002d
0 c1656c40 00000001 d6470edf 
Apr 13 12:39:34 ildar kernel:        000001ef f2b1da18 f2b1da18 c1f17200 0000000
1 f2858000 c056c080 c056c080 
Apr 13 12:39:34 ildar kernel:        c056c080 00000000 00000000 00000000 f3510c8
0 f72a97c0 00000000 c02b5c32 
Apr 13 12:39:34 ildar kernel: Call Trace:
Apr 13 12:39:34 ildar kernel:  [<c026f36b>] mempool_alloc+0x2b/0xf0
Apr 13 12:39:34 ildar kernel:  [<c02b5c32>] bio_put+0x22/0x30
Apr 13 12:39:34 ildar kernel:  [<c043a75c>] __down+0x8c/0xf4
Apr 13 12:39:34 ildar kernel:  [<c0222690>] default_wake_function+0x0/0x10

Comment 1

ildar 2009-09-17 09:43:01 MSD

То же наблюдал сегодня на диске с LUKS. Ау!

Comment 2

Sergey Vlasov 2009-10-04 15:28:53 MSD

1) Ядер 2.6.25-* в Сизифе нет.
2) Это весь backtrace, который выдался? Что-то он подозрительно маленький.

Comment 3

ildar 2009-10-04 15:58:18 MSD

(В ответ на комментарий №1)
> То же наблюдал сегодня на диске с LUKS. Ау!

Наблюдал на 30-м. 2.6.30-std-def-alt7

(В ответ на комментарий №2)
> 2) Это весь backtrace, который выдался? Что-то он подозрительно маленький.
Не думал, что кому-то будут интересны такие подробности. Пожалуйста!
Sep 17 10:39:54 ildar kernel: [  103.159691] loop: module loaded
Sep 17 10:39:54 ildar kernel: [  103.217377] bio too big device loop3 (1 > 0)
Sep 17 10:39:54 ildar kernel: [  103.217392] FAT: unable to read boot sector
Sep 17 10:39:54 ildar kernel: [  103.272203] bio too big device loop3 (1 > 0)
Sep 17 10:39:54 ildar kernel: [  103.272216] FAT: unable to read boot sector
Sep 17 10:39:55 ildar kernel: [  103.407076] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.407119] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.407135] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.407141] UDF-fs: No anchor found
Sep 17 10:39:55 ildar kernel: [  103.407146] UDF-fs: Rescanning with blocksize 2048
Sep 17 10:39:55 ildar kernel: [  103.407203] bio too big device loop3 (4 > 0)
Sep 17 10:39:55 ildar kernel: [  103.407215] bio too big device loop3 (4 > 0)
Sep 17 10:39:55 ildar kernel: [  103.407228] bio too big device loop3 (4 > 0)
Sep 17 10:39:55 ildar kernel: [  103.407233] UDF-fs: No anchor found
Sep 17 10:39:55 ildar kernel: [  103.407237] UDF-fs: No partition found (1)
Sep 17 10:39:55 ildar kernel: [  103.411602] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.411628] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.411644] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.411651] UDF-fs: No anchor found
Sep 17 10:39:55 ildar kernel: [  103.411656] UDF-fs: Rescanning with blocksize 2048
Sep 17 10:39:55 ildar kernel: [  103.411727] bio too big device loop3 (4 > 0)
Sep 17 10:39:55 ildar kernel: [  103.411739] bio too big device loop3 (4 > 0)
Sep 17 10:39:55 ildar kernel: [  103.411750] bio too big device loop3 (4 > 0)
Sep 17 10:39:55 ildar kernel: [  103.411755] UDF-fs: No anchor found
Sep 17 10:39:55 ildar kernel: [  103.411759] UDF-fs: No partition found (1)
Sep 17 10:39:55 ildar kernel: [  103.458706] bio too big device loop3 (2 > 0)
Sep 17 10:39:55 ildar kernel: [  103.458720] isofs_fill_super: bread failed, dev=loop3, iso_blknum=16, block=32
Sep 17 10:39:55 ildar kernel: [  103.463646] bio too big device loop3 (2 > 0)
Sep 17 10:39:55 ildar kernel: [  103.463662] isofs_fill_super: bread failed, dev=loop3, iso_blknum=16, block=32
Sep 17 10:39:55 ildar kernel: [  103.497733] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.497746] hfs: unable to find HFS+ superblock
Sep 17 10:39:55 ildar kernel: [  103.502748] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.502763] hfs: unable to find HFS+ superblock
Sep 17 10:39:55 ildar kernel: [  103.519630] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.519644] hfs: can't find a HFS filesystem on dev loop3.
Sep 17 10:39:55 ildar kernel: [  103.529177] bio too big device loop3 (1 > 0)
Sep 17 10:39:55 ildar kernel: [  103.529191] hfs: can't find a HFS filesystem on dev loop3.
Sep 17 10:39:55 ildar kernel: [  103.600667] bio too big device loop3 (2 > 0)
Sep 17 10:39:55 ildar kernel: [  103.600679] EXT4-fs: unable to read superblock
Sep 17 10:39:55 ildar kernel: [  103.606451] bio too big device loop3 (2 > 0)
Sep 17 10:39:55 ildar kernel: [  103.606461] EXT4-fs: unable to read superblock
Sep 17 10:39:55 ildar kernel: [  103.610909] bio too big device loop3 (2 > 0)
Sep 17 10:39:55 ildar kernel: [  103.610923] EXT3-fs: unable to read superblock
Sep 17 10:39:55 ildar kernel: [  103.615003] bio too big device loop3 (2 > 0)
Sep 17 10:39:55 ildar kernel: [  103.615017] EXT3-fs: unable to read superblock
Sep 17 10:39:55 ildar kernel: [  103.661896] bio too big device loop3 (2 > 0)
Sep 17 10:39:55 ildar kernel: [  103.661907] EXT2-fs: unable to read superblock
Sep 17 10:39:55 ildar kernel: [  103.666847] bio too big device loop3 (2 > 0)
Sep 17 10:39:55 ildar kernel: [  103.666860] EXT2-fs: unable to read superblock
Sep 17 10:39:55 ildar kernel: [  103.707783] bio too big device loop3 (8 > 0)
Sep 17 10:39:55 ildar kernel: [  103.707803] REISERFS warning (device loop3): sh-2006 read_super_block: bread failed (dev loop3, block 2, size 4096)
Sep 17 10:39:55 ildar kernel: [  103.707819] bio too big device loop3 (8 > 0)
Sep 17 10:39:55 ildar kernel: [  103.707829] REISERFS warning (device loop3): sh-2006 read_super_block: bread failed (dev loop3, block 16, size 4096)
Sep 17 10:39:55 ildar kernel: [  103.707839] REISERFS warning (device loop3): sh-2021 reiserfs_fill_super: can not find reiserfs on loop3
Sep 17 10:39:55 ildar kernel: [  103.713594] bio too big device loop3 (8 > 0)
Sep 17 10:39:55 ildar kernel: [  103.713613] REISERFS warning (device loop3): sh-2006 read_super_block: bread failed (dev loop3, block 2, size 4096)
Sep 17 10:39:55 ildar kernel: [  103.713629] bio too big device loop3 (8 > 0)
Sep 17 10:39:55 ildar kernel: [  103.713640] REISERFS warning (device loop3): sh-2006 read_super_block: bread failed (dev loop3, block 16, size 4096)
Sep 17 10:39:55 ildar kernel: [  103.713650] REISERFS warning (device loop3): sh-2021 reiserfs_fill_super: can not find reiserfs on loop3
Sep 17 10:39:55 ildar kernel: [  103.791330] SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled
Sep 17 10:39:55 ildar kernel: [  103.792974] SGI XFS Quota Management subsystem
Sep 17 10:42:14 ildar kernel: [  242.384095] INFO: task mount:13083 blocked for more than 120 seconds.
Sep 17 10:42:14 ildar kernel: [  242.384103] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Sep 17 10:42:14 ildar kernel: [  242.384110] mount         D f6b1fa94     0 13083      1
Sep 17 10:42:14 ildar kernel: [  242.384122]  f12a9d68 00000046 f70050b8 f6b1fa94 00000000 00000000 c23bdfd0 2a9ea143
Sep 17 10:42:14 ildar kernel: [  242.384140]  00000018 c02bbfb6 00000001 f6b1f900 f125e000 c06a1e04 c1624e80 f112e170
Sep 17 10:42:14 ildar kernel: [  242.384156]  f112e400 c1f0f000 00000000 f5298f0c 00000000 2a9fa80b 00000018 c02a0578
Sep 17 10:42:14 ildar kernel: [  242.384172] Call Trace:
Sep 17 10:42:14 ildar kernel: [  242.384194]  [<c02bbfb6>] ? mem_cgroup_charge_common+0x56/0x70
Sep 17 10:42:14 ildar kernel: [  242.384209]  [<c02a0578>] ? __inc_zone_page_state+0x18/0x20
Sep 17 10:42:14 ildar kernel: [  242.384222]  [<c04c3378>] schedule+0x8/0x20
Sep 17 10:42:14 ildar kernel: [  242.384232]  [<c04c3635>] schedule_timeout+0x125/0x190
Sep 17 10:42:14 ildar kernel: [  242.384245]  [<c0291c1e>] ? mempool_free_slab+0xe/0x10
Sep 17 10:42:14 ildar kernel: [  242.384254]  [<c0291e37>] ? mempool_free+0x77/0
x80
Sep 17 10:42:14 ildar kernel: [  242.384268]  [<c02e295b>] ? bio_alloc_bioset+0x2b/0xe0
Sep 17 10:42:14 ildar kernel: [  242.384277]  [<c02e3b37>] ? bio_free+0x47/0x50
Sep 17 10:42:14 ildar kernel: [  242.384287]  [<c02e3b4e>] ? bio_fs_destructor+0xe/0x10
Sep 17 10:42:14 ildar kernel: [  242.384297]  [<c04c283e>] wait_for_common+0xee/0x110
Sep 17 10:42:14 ildar kernel: [  242.384308]  [<c022be70>] ? default_wake_function+0x0/0x10
Sep 17 10:42:14 ildar kernel: [  242.384318]  [<c04c28f2>] wait_for_completion+0x12/0x20
Sep 17 10:42:14 ildar kernel: [  242.384392]  [<f90d5a08>] xfs_buf_iowait+0x18/0x50 [xfs]
Sep 17 10:42:14 ildar kernel: [  242.384447]  [<f90d5c27>] _xfs_buf_read+0x47/0x60 [xfs]
Sep 17 10:42:14 ildar kernel: [  242.384500]  [<f90d601b>] xfs_buf_read_flags+0x6b/0xa0 [xfs]
Sep 17 10:42:14 ildar kernel: [  242.384553]  [<f90c5959>] xfs_readsb+0x49/0x1f0 [xfs]
Sep 17 10:42:14 ildar kernel: [  242.384607]  [<f90dcc1f>] xfs_fs_fill_super+0x18f/0x330 [xfs]
Sep 17 10:42:14 ildar kernel: [  242.384617]  [<c02c1448>] get_sb_bdev+0x118/0x140
Sep 17 10:42:14 ildar kernel: [  242.384671]  [<f90daef1>] xfs_fs_get_sb+0x21/0x30 [xfs]
Sep 17 10:42:14 ildar kernel: [  242.384724]  [<f90dca90>] ? xfs_fs_fill_super+0x0/0x330 [xfs]
Sep 17 10:42:14 ildar kernel: [  242.384733]  [<c02c0c29>] vfs_kern_mount+0x59/0x120
Sep 17 10:42:14 ildar kernel: [  242.384742]  [<c02c0d49>] do_kern_mount+0x39/0xe0
Sep 17 10:42:14 ildar kernel: [  242.384753]  [<c02d66f1>] do_mount+0x421/0x7a0
Sep 17 10:42:14 ildar kernel: [  242.384764]  [<c0294c8a>] ? __get_free_pages+0x2a/0x40
Sep 17 10:42:14 ildar kernel: [  242.384774]  [<c02d48bc>] ? copy_mount_options+0x3c/0x140
Sep 17 10:42:14 ildar kernel: [  242.384785]  [<c02d6af9>] sys_mount+0x89/0xb0
Sep 17 10:42:14 ildar kernel: [  242.384795]  [<c02030b5>] syscall_call+0x7/0xb