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-   -   Bug#595927: This occurs in Linux 2.6.35 also (http://www.linux-archive.org/debian-kernel/431182-bug-595927-occurs-linux-2-6-35-also.html)

"Douglas A. Augusto" 09-24-2010 01:16 PM

Bug#595927: This occurs in Linux 2.6.35 also
 
dmesg:

[157565.846882] INFO: task dpkg:7258 blocked for more than 120 seconds.
[157565.846884] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[157565.846886] dpkg D 000000010257d0a1 0 7258 22003 0x00000000
[157565.846889] ffff8803375be630 0000000000000082 ffff880336791e50 0000000000000001
[157565.846893] ffff88033e0e4420 00000000000154c0 00000000000154c0 00000000000154c0
[157565.846895] ffff880336791fd8 00000000000154c0 ffff8803375be630 ffff880336791fd8
[157565.846897] Call Trace:
[157565.846904] [<ffffffff813054df>] ? schedule_timeout+0x2d/0xd7
[157565.846907] [<ffffffff81038c8f>] ? enqueue_task_fair+0x21/0x62
[157565.846911] [<ffffffff8100e7d9>] ? sched_clock+0x5/0x8
[157565.846914] [<ffffffff81305354>] ? wait_for_common+0xd1/0x14e
[157565.846918] [<ffffffff8103f630>] ? default_wake_function+0x0/0xf
[157565.846921] [<ffffffff81106882>] ? sync_one_sb+0x0/0x20
[157565.846925] [<ffffffff81102e85>] ? sync_inodes_sb+0x89/0x140
[157565.846927] [<ffffffff81106882>] ? sync_one_sb+0x0/0x20
[157565.846929] [<ffffffff8110684c>] ? __sync_filesystem+0x44/0x7a
[157565.846932] [<ffffffff810eab16>] ? iterate_supers+0x61/0xa0
[157565.846934] [<ffffffff811068e1>] ? sys_sync+0x3f/0x54
[157565.846937] [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b


I'm using:

% uname -a
Linux gnu 2.6.35-trunk-amd64 #1 SMP Mon Sep 6 15:15:26 UTC 2010 x86_64 GNU/Linux

% dpkg -l|grep linux-image
ii linux-image-2.6.35-trunk-amd64 2.6.35-1~experimental.3 Linux 2.6.35 for 64-bit PCs

--
Douglas A. Augusto



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Ben Hutchings 09-26-2010 08:29 PM

Bug#595927: This occurs in Linux 2.6.35 also
 
On Fri, 2010-09-24 at 10:16 -0300, Douglas A. Augusto wrote:
> dmesg:
>
> [157565.846882] INFO: task dpkg:7258 blocked for more than 120 seconds.
> [157565.846884] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> [157565.846886] dpkg D 000000010257d0a1 0 7258 22003 0x00000000
> [157565.846889] ffff8803375be630 0000000000000082 ffff880336791e50 0000000000000001
> [157565.846893] ffff88033e0e4420 00000000000154c0 00000000000154c0 00000000000154c0
> [157565.846895] ffff880336791fd8 00000000000154c0 ffff8803375be630 ffff880336791fd8
> [157565.846897] Call Trace:
> [157565.846904] [<ffffffff813054df>] ? schedule_timeout+0x2d/0xd7
> [157565.846907] [<ffffffff81038c8f>] ? enqueue_task_fair+0x21/0x62
> [157565.846911] [<ffffffff8100e7d9>] ? sched_clock+0x5/0x8
> [157565.846914] [<ffffffff81305354>] ? wait_for_common+0xd1/0x14e
> [157565.846918] [<ffffffff8103f630>] ? default_wake_function+0x0/0xf
> [157565.846921] [<ffffffff81106882>] ? sync_one_sb+0x0/0x20
> [157565.846925] [<ffffffff81102e85>] ? sync_inodes_sb+0x89/0x140
> [157565.846927] [<ffffffff81106882>] ? sync_one_sb+0x0/0x20
> [157565.846929] [<ffffffff8110684c>] ? __sync_filesystem+0x44/0x7a
> [157565.846932] [<ffffffff810eab16>] ? iterate_supers+0x61/0xa0
> [157565.846934] [<ffffffff811068e1>] ? sys_sync+0x3f/0x54
> [157565.846937] [<ffffffff810089c2>] ? system_call_fastpath+0x16/0x1b
>
>
> I'm using:
>
> % uname -a
> Linux gnu 2.6.35-trunk-amd64 #1 SMP Mon Sep 6 15:15:26 UTC 2010 x86_64 GNU/Linux
>
> % dpkg -l|grep linux-image
> ii linux-image-2.6.35-trunk-amd64 2.6.35-1~experimental.3 Linux 2.6.35 for 64-bit PCs

This might be the same bug though the call trace is somewhat different.

Please can you add this information to
<https://bugzilla.kernel.org/show_bug.cgi?id=18632>.

Ben.

--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.


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