helpGCC Compile Farm - Support: sr #2738, gcc14 kernel errors

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sr #2738: gcc14 kernel errors

Submitted by:  None
Submitted on:  Sat Apr 30 08:11:48 2011  
Category: NonePriority: 5 - Normal
Severity: 3 - NormalStatus: Done
Privacy: PublicAssigned to: Laurent GUERBY <guerby>
Originator Email: -unavailable-Open/Closed: Closed
Operating System: GNU/Linux

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Thu Oct 8 07:58:12 2015, comment #2:

No real solution even if the machine is still there, closing.

Laurent GUERBY <guerby>
Project AdministratorIn charge of this item.
Sat Apr 30 09:07:57 2011, comment #1:

<guerby> edwin, yep I've seen it. these errors have been ongoing for many monthes now, I've upgraded kernel/bios/firmware of the raid card, launched diagnostic tools from Dell but nothing ...
<guerby> edwin, the only consequence so far is a few minute freeze every few hours
<edwin> well its a kernel bug too in the ense it shouldn't hang like that even on faulty hardware
<edwin> did you try filing a kernel bug?
<guerby> edwin, no I just looked around for similar issues, other people seem to have it on similar hardware but there was no solution
<guerby> edwin, one issue is that I don't have physical access to the machine so playing with kernel is not easy

Laurent GUERBY <guerby>
Project AdministratorIn charge of this item.
Sat Apr 30 08:11:48 2011, original submission:

I noticed that my Vi hanged and was not killable by kill -9, and I see this in dmesg:

[715292.447255] INFO: task syslogd:3021 blocked for more than 120 seconds.
[715292.447287] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[715292.447338] syslogd D ffff81005e0da2a0 0 3021 1
[715292.447793] ffff81043cc95da8 0000000000000086 ffff81043a859c00 ffff81005e0da2a0
[715292.447793] ffff81043ad6cbd0 ffff81043e7f4b10 ffff81043ad6ce58 0000000600000001
[715292.447793] 0000000000000296 0000000000000003 ffff81043cc95da8 ffffffff8022ad2f
[715292.447793] Call Trace:
[715292.447793] [<ffffffff8022ad2f>] __wake_up+0x38/0x4f
[715292.447793] [<ffffffffa0132614>] :jbd:log_wait_commit+0x9f/0xed
[715292.447793] [<ffffffff802461d1>] autoremove_wake_function+0x0/0x2e
[715292.447793] [<ffffffffa012e4f9>] :jbd:journal_stop+0x165/0x18d
[715292.447793] [<ffffffff802b6a2f>] __writeback_single_inode+0x17f/0x29d
[715292.447793] [<ffffffff8029b65e>] do_readv_writev+0x176/0x18b
[715292.447793] [<ffffffff802b735b>] sync_inode+0x24/0x31
[715292.447793] [<ffffffffa013e3e2>] :ext3:ext3_sync_file+0x9e/0xb0
[715292.447793] [<ffffffff802b98d2>] do_fsync+0x52/0xa4
[715292.447793] [<ffffffff802b9947>] __do_fsync+0x23/0x36
[715292.447793] [<ffffffff8020beda>] system_call_after_swapgs+0x8a/0x8f

Seems to have started here:
[112982.337871] INFO: task cron:21117 blocked for more than 120 seconds.
[112982.337906] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[112982.337951] cron D 0000000000000002 0 21117 3752
[112982.341800] ffff810127f2fe08 0000000000000086 ffff81000001ae00 ffff81000001ae00
[112982.341800] ffff81043b1ce440 ffff81043a8e0750 ffff81043b1ce6c8 0000000200c2f2a0
[112982.341800] 0000000000000000 ffffffff802aeb11 ffff810001054cb0 0000000100000000
[112982.341800] Call Trace:
[112982.341800] [<ffffffff802aeb11>] dup_fd+0x16a/0x2b1
[112982.341800] [<ffffffff804296d6>] schedule_timeout+0x1e/0xad
[112982.341800] [<ffffffff8022a542>] enqueue_entity+0x1a/0x8b
[112982.341800] [<ffffffff80428ceb>] wait_for_common+0xcf/0x13a
[112982.341828] [<ffffffff8022c168>] default_wake_function+0x0/0xe
[112982.341828] [<ffffffff80231cab>] wake_up_new_task+0xba/0xc1
[112982.341828] [<ffffffff80233d9d>] do_fork+0x1c4/0x236
[112982.341828] [<ffffffff8020beda>] system_call_after_swapgs+0x8a/0x8f
[112982.341828] [<ffffffff8020c267>] ptregscall_common+0x67/0xb0



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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Thu Oct 8 07:58:12 2015guerbyStatusIn Progress=>Done
    Sat Apr 30 09:07:57 2011guerbyStatusNone=>In Progress
      Assigned toNone=>guerby
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