From: Slava Dubrovskiy <slava@tangramltd.com> To: community@lists.altlinux.org Subject: [Comm] глючит ядро ovz-el Date: Mon, 04 Jul 2011 15:20:25 -0400 Message-ID: <4E121279.4040608@tangramltd.com> (raw) [-- Attachment #1: Type: text/plain, Size: 11892 bytes --] Здравствуйте уважаемая редакция. Серверов с ядром ovz-el на серверах становится все больше и больше. И багов соответственно. Есть один сервер на котором периодически (1-2 раза в неделю) происходит ребут в результате kernel panic. Перед ребутом LA уходит в космос - выше 200. Ядро 2.6.32-ovz-el-alt24, бранч t6. Стоит 2 SATA диска в raid1 на mdadm на котором установлена система и все служебные VPS И 2 SAS диска из которых собран raid1 и с него работает одна рабочая VPS. Диски по smart живые, ошибок нет. В логе вот такое перед ребутом вижу: Jul 4 21:05:51 ua83 kernel: [293760.725062] INFO: task flush-253:1:1294 blocked for more than 120 seconds. Jul 4 21:05:59 ua83 kernel: [293760.725069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Jul 4 21:06:26 ua83 kernel: [293760.725074] flush-253:1 D ffff8801dcb82c90 0 1294 2 0x00000000 Jul 4 21:07:33 ua83 kernel: [293760.725083] ffff8801d5a0ba10 0000000000000046 0000000000000000 ffffffffa02cc12c Jul 4 21:07:33 ua83 kernel: [293760.725091] ffff88013696e5a8 ffffffff811b3e70 ffffffffa00d3c40 00000001117b8ec4 Jul 4 21:07:33 ua83 kernel: [293760.725098] ffff8801dcb83270 ffff8801d5a0bfd8 000000000000f7c8 ffff8801dcb83270 Jul 4 21:07:33 ua83 kernel: [293760.725106] Call Trace: Jul 4 21:07:33 ua83 kernel: [293760.725132] [<ffffffffa02cc12c>] ? dm_table_unplug_all+0x5c/0xd0 [dm_mod] Jul 4 21:07:33 ua83 kernel: [293760.725155] [<ffffffff811b3e70>] ? end_buffer_async_write+0x0/0x190 Jul 4 21:07:33 ua83 kernel: [293760.725185] [<ffffffffa00d3c40>] ? ext4_bh_delay_or_unwritten+0x0/0x30 [ext4] Jul 4 21:07:33 ua83 kernel: [293760.725195] [<ffffffff813ff403>] io_schedule+0xa3/0x110 Jul 4 21:07:33 ua83 kernel: [293760.725202] [<ffffffff8111a6e0>] ? sync_page+0x0/0x50 Jul 4 21:07:45 ua83 kernel: [293760.725207] [<ffffffff8111a71d>] sync_page+0x3d/0x50 Jul 4 21:08:27 ua83 kernel: [293760.725212] [<ffffffff813ffc8f>] __wait_on_bit+0x5f/0x90 Jul 4 21:08:29 ua83 kernel: [293760.725218] [<ffffffff8111a8d3>] wait_on_page_bit+0x73/0x80 Jul 4 21:08:38 ua83 kernel: [293760.725225] [<ffffffff81091a30>] ? wake_bit_function+0x0/0x50 Jul 4 21:08:38 ua83 kernel: [293760.725234] [<ffffffff81131355>] ? pagevec_lookup_tag+0x25/0x40 Jul 4 21:08:38 ua83 kernel: [293760.725239] [<ffffffff8111ac9b>] wait_on_page_writeback_range+0xfb/0x190 Jul 4 21:08:38 ua83 kernel: [293760.725245] [<ffffffff8111ad5f>] filemap_fdatawait+0x2f/0x40 Jul 4 21:08:38 ua83 kernel: [293760.725252] [<ffffffff811ab418>] writeback_single_inode+0x238/0x2e0 Jul 4 21:08:38 ua83 kernel: [293760.725258] [<ffffffff811ab706>] writeback_sb_inodes+0xf6/0x1b0 Jul 4 21:08:38 ua83 kernel: [293760.725263] [<ffffffff811abae0>] wb_writeback+0x170/0x400 Jul 4 21:08:38 ua83 kernel: [293760.725268] [<ffffffff813feb4c>] ? thread_return+0x4e/0x862 Jul 4 21:08:38 ua83 kernel: [293760.725276] [<ffffffff8107c7ba>] ? del_timer_sync+0x2a/0x40 Jul 4 21:08:38 ua83 kernel: [293760.725281] [<ffffffff811abe35>] wb_do_writeback+0xc5/0x250 Jul 4 21:08:38 ua83 kernel: [293760.725286] [<ffffffff8107bd20>] ? process_timeout+0x0/0x10 Jul 4 21:08:38 ua83 kernel: [293760.725292] [<ffffffff811ac027>] bdi_writeback_task+0x67/0x1c0 Jul 4 21:08:38 ua83 kernel: [293760.725297] [<ffffffff810918c7>] ? bit_waitqueue+0x17/0xc0 Jul 4 21:08:38 ua83 kernel: [293760.725305] [<ffffffff81141556>] bdi_start_fn+0x86/0x100 Jul 4 21:08:38 ua83 kernel: [293760.725310] [<ffffffff811414d0>] ? bdi_start_fn+0x0/0x100 Jul 4 21:08:38 ua83 kernel: [293760.725315] [<ffffffff81091680>] kthread+0xc0/0xe0 Jul 4 21:08:38 ua83 kernel: [293760.725321] [<ffffffff8100c2ca>] child_rip+0xa/0x20 Jul 4 21:08:38 ua83 kernel: [293760.725326] [<ffffffff810915c0>] ? kthread+0x0/0xe0 Jul 4 21:08:38 ua83 kernel: [293760.725331] [<ffffffff8100c2c0>] ? child_rip+0x0/0x20 Jul 4 21:08:38 ua83 kernel: [293760.725336] INFO: task jbd2/dm-1-8:1306 blocked for more than 120 seconds. Jul 4 21:09:58 ua83 kernel: [293760.725340] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Jul 4 21:10:37 ua83 kernel: [293760.725344] jbd2/dm-1-8 D ffff8801da9ea640 0 1306 2 0x00000000 Jul 4 21:10:38 ua83 kernel: [293760.725351] ffff8801d4951b00 0000000000000046 ffff8801d4951ac0 ffffffffa02cc12c Jul 4 21:10:38 ua83 kernel: [293760.725358] ffff880119e48808 ffff880119eddb40 ffff8801d4951ab0 ffffffff8109c569 Jul 4 21:10:38 ua83 kernel: [293760.725365] ffff8801da9eac20 ffff8801d4951fd8 000000000000f7c8 ffff8801da9eac20 Jul 4 21:10:38 ua83 kernel: [293760.725372] Call Trace: Jul 4 21:10:38 ua83 kernel: [293760.725381] [<ffffffffa02cc12c>] ? dm_table_unplug_all+0x5c/0xd0 [dm_mod] Jul 4 21:10:38 ua83 kernel: [293760.725388] [<ffffffff8109c569>] ? ktime_get_ts+0xa9/0xe0 Jul 4 21:10:38 ua83 kernel: [293760.725394] [<ffffffff8109c569>] ? ktime_get_ts+0xa9/0xe0 Jul 4 21:10:38 ua83 kernel: [293760.725399] [<ffffffff813ff403>] io_schedule+0xa3/0x110 Jul 4 21:10:38 ua83 kernel: [293760.725404] [<ffffffff8111a6e0>] ? sync_page+0x0/0x50 Jul 4 21:10:38 ua83 kernel: [293760.725409] [<ffffffff8111a71d>] sync_page+0x3d/0x50 Jul 4 21:10:38 ua83 kernel: [293760.725414] [<ffffffff813ffc8f>] __wait_on_bit+0x5f/0x90 Jul 4 21:10:38 ua83 kernel: [293760.725419] [<ffffffff8111a8d3>] wait_on_page_bit+0x73/0x80 Jul 4 21:10:38 ua83 kernel: [293760.725425] [<ffffffff81091a30>] ? wake_bit_function+0x0/0x50 Jul 4 21:10:38 ua83 kernel: [293760.725430] [<ffffffff81131355>] ? pagevec_lookup_tag+0x25/0x40 Jul 4 21:10:38 ua83 kernel: [293760.725436] [<ffffffff8111ac9b>] wait_on_page_writeback_range+0xfb/0x190 Jul 4 21:10:38 ua83 kernel: [293760.725443] [<ffffffff811b7c9b>] ? bio_alloc_bioset+0x5b/0xf0 Jul 4 21:10:38 ua83 kernel: [293760.725449] [<ffffffff8111ad5f>] filemap_fdatawait+0x2f/0x40 Jul 4 21:10:38 ua83 kernel: [293760.725462] [<ffffffffa00a7ec0>] jbd2_journal_commit_transaction+0x7f0/0x1490 [jbd2] Jul 4 21:10:38 ua83 kernel: [293760.725469] [<ffffffff810919f0>] ? autoremove_wake_function+0x0/0x40 Jul 4 21:10:38 ua83 kernel: [293760.725480] [<ffffffffa00ad978>] kjournald2+0xb8/0x220 [jbd2] Jul 4 21:10:38 ua83 kernel: [293760.725486] [<ffffffff810919f0>] ? autoremove_wake_function+0x0/0x40 Jul 4 21:10:38 ua83 kernel: [293760.725496] [<ffffffffa00ad8c0>] ? kjournald2+0x0/0x220 [jbd2] Jul 4 21:10:38 ua83 kernel: [293760.725501] [<ffffffff81091680>] kthread+0xc0/0xe0 Jul 4 21:10:38 ua83 kernel: [293760.725506] [<ffffffff8100c2ca>] child_rip+0xa/0x20 Jul 4 21:10:38 ua83 kernel: [293760.725511] [<ffffffff810915c0>] ? kthread+0x0/0xe0 Jul 4 21:10:38 ua83 kernel: [293760.725516] [<ffffffff8100c2c0>] ? child_rip+0x0/0x20 и т.д. Подскажите что делать? Куда еще можно посмотреть? -- WBR, Dubrovskiy Viacheslav [-- Attachment #2: S/MIME Cryptographic Signature --] [-- Type: application/pkcs7-signature, Size: 6229 bytes --]
next reply other threads:[~2011-07-04 19:20 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-07-04 19:20 Slava Dubrovskiy [this message] 2011-07-04 20:16 ` Slava Dubrovskiy 2011-07-04 21:40 ` Arcady V. Ivanov 2011-07-05 6:03 ` Anton Gorlov 2011-07-06 15:41 ` Michael Shigorin 2011-08-04 12:33 ` Sergey
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