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Message-ID: <20100225183711.GE30897@develbox.linuxbox.cz> Date: Thu, 25 Feb 2010 19:37:11 +0100 From: Nikola Ciprich <extmaillist@...uxbox.cz> To: ext4 devel list <linux-ext4@...r.kernel.org> Cc: nikola.ciprich@...uxbox.cz Subject: 2.6.32.9 ext4 related hangups? Hi, after lots of NFS related troubles, 2.6.32 seems to finally to get to usable state for me. since 2.6.32.9-rc1, it works much better, but we're still getting occasional hangups, and following traces: [109921.032043] INFO: task jbd2/dm-7-8:4338 blocked for more than 120 seconds. [109921.032048] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [109921.032052] jbd2/dm-7-8 D ffff880001e13940 0 4338 2 0x00000080 [109921.032059] ffff880071ddbce0 0000000000000046 ffff880071ddbca8 ffffffff8106e9a5 [109921.032066] ffff880000000000 ffff880071f1a7e0 ffff880071f1a720 ffff88007ac7a720 [109921.032073] ffff880071f1aad8 ffff880071c0e230 0000000101a1aca0 ffffffff00000002 [109921.032080] Call Trace: [109921.032091] [<ffffffff8106e9a5>] ? prepare_to_wait+0x25/0x80 [109921.032104] [<ffffffffa05f6c1a>] jbd2_journal_commit_transaction+0x1ea/0x1890 [jbd2] [109921.032111] [<ffffffff8105e036>] ? lock_timer_base+0x36/0x70 [109921.032134] [<ffffffff8106e770>] ? autoremove_wake_function+0x0/0x40 [109921.032140] [<ffffffff8105e0b4>] ? try_to_del_timer_sync+0x44/0x100 [109921.032150] [<ffffffffa05fdbea>] kjournald2+0xba/0x240 [jbd2] [109921.032154] [<ffffffff8106e770>] ? autoremove_wake_function+0x0/0x40 [109921.032163] [<ffffffffa05fdb30>] ? kjournald2+0x0/0x240 [jbd2] [109921.032167] [<ffffffff8106e62e>] kthread+0x8e/0xa0 [109921.032173] [<ffffffff8100c35a>] child_rip+0xa/0x20 [109921.032178] [<ffffffff8106e5a0>] ? kthread+0x0/0xa0 [109921.032182] [<ffffffff8100c350>] ? child_rip+0x0/0x20 [109921.032186] no locks held by jbd2/dm-7-8/4338. [260041.032035] INFO: task jbd2/dm-7-8:4338 blocked for more than 120 seconds. [260041.032040] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [260041.032044] jbd2/dm-7-8 D ffff880028db0c00 0 4338 2 0x00000080 [260041.032051] ffff880071ddbce0 0000000000000046 0000000000000000 ffffffff8106e9a5 [260041.032058] ffff880000000000 ffff880071f1a7e0 ffff880071f1a720 ffff88007f8ace40 [260041.032065] ffff880071f1aad8 ffff880071c0e230 0000000103de36f0 0000000000000002 [260041.032072] Call Trace: [260041.032083] [<ffffffff8106e9a5>] ? prepare_to_wait+0x25/0x80 [260041.032096] [<ffffffffa05f6c1a>] jbd2_journal_commit_transaction+0x1ea/0x1890 [jbd2] [260041.032103] [<ffffffff8105e036>] ? lock_timer_base+0x36/0x70 [260041.032108] [<ffffffff8106e770>] ? autoremove_wake_function+0x0/0x40 [260041.032114] [<ffffffff8105e0b4>] ? try_to_del_timer_sync+0x44/0x100 [260041.032123] [<ffffffffa05fdbea>] kjournald2+0xba/0x240 [jbd2] [260041.032128] [<ffffffff8106e770>] ? autoremove_wake_function+0x0/0x40 [260041.032136] [<ffffffffa05fdb30>] ? kjournald2+0x0/0x240 [jbd2] [260041.032141] [<ffffffff8106e62e>] kthread+0x8e/0xa0 [260041.032147] [<ffffffff8100c35a>] child_rip+0xa/0x20 [260041.032152] [<ffffffff8106e5a0>] ? kthread+0x0/0xa0 [260041.032156] [<ffffffff8100c350>] ? child_rip+0x0/0x20 [260041.032160] no locks held by jbd2/dm-7-8/4338. Seems to me that it's either ext4, or jbd2 related. Any opinions somebody? thanks a lot in advance br nik -- ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28. rijna 168, 709 01 Ostrava tel.: +420 596 603 142 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@...uxbox.cz ------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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