Bug#595927: This occurs in Linux 2.6.35 also

["Douglas A. Augusto" <daaugusto@gmail.com>]

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