From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Roland McGrath <roland@redhat.com>,
David Howells <dhowells@redhat.com>,
linux-kernel@vger.kernel.org
Subject: task blocked for more than 120 seconds
Date: Thu, 4 Nov 2010 17:58:26 +0200 [thread overview]
Message-ID: <20101104155826.GC13818@swordfish.minsk.epam.com> (raw)
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Hello,
Got the following traces:
[42001.449295] INFO: task openbox:17761 blocked for more than 120 seconds.
[42001.449303] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[42001.449311] openbox D 0000000000000003 0 17761 3723 0x00000000
[42001.449321] ffff88004ce8dc38 0000000000000046 0000000000000000 ffff88004ce8c000
[42001.449333] ffff88004ce8dfd8 0000000000012040 ffff880133010000 ffff88004ce8dfd8
[42001.449343] 0000000000012040 0000000000012040 ffff88004ce8dfd8 0000000000012040
[42001.449354] Call Trace:
[42001.449369] [<ffffffff814212ff>] schedule_timeout+0x38/0x220
[42001.449381] [<ffffffff81066f21>] ? mark_held_locks+0x50/0x72
[42001.449389] [<ffffffff81423dae>] ? _raw_spin_unlock_irq+0x2b/0x59
[42001.449398] [<ffffffff81036070>] ? get_parent_ip+0x11/0x41
[42001.449406] [<ffffffff81036132>] ? sub_preempt_count+0x92/0xa5
[42001.449413] [<ffffffff8142057e>] wait_for_common+0xca/0x144
[42001.449421] [<ffffffff81038b13>] ? default_wake_function+0x0/0xf
[42001.449429] [<ffffffff81423e4b>] ? _raw_spin_unlock_irqrestore+0x6f/0x74
[42001.449436] [<ffffffff81420692>] wait_for_completion+0x18/0x1a
[42001.449445] [<ffffffff81084808>] stop_one_cpu+0x8c/0xba
[42001.449453] [<ffffffff810355cb>] ? migration_cpu_stop+0x0/0x3d
[42001.449461] [<ffffffff81035aef>] sched_exec+0xc3/0xdc
[42001.449470] [<ffffffff810e7dad>] do_execve+0xaa/0x267
[42001.449479] [<ffffffff8100a58b>] sys_execve+0x3e/0x55
[42001.449488] [<ffffffff8100265c>] stub_execve+0x6c/0xc0
[42001.449494] 1 lock held by openbox/17761:
[42001.449498] #0: (&sig->cred_guard_mutex){+.+.+.}, at: [<ffffffff810e7b1d>] prepare_bprm_creds+0x28/0x64
[47761.448699] INFO: task make:29123 blocked for more than 120 seconds.
[47761.448704] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[47761.448710] make D 0000000000000001 0 29123 24208 0x00000004
[47761.448719] ffff880115dadcf0 0000000000000046 ffff880100000000 ffff880115dac000
[47761.448731] ffff880115dadfd8 0000000000012040 ffff880133290000 ffff880115dadfd8
[47761.448741] 0000000000012040 0000000000012040 ffff880115dadfd8 0000000000012040
[47761.448752] Call Trace:
[47761.448766] [<ffffffff814212ff>] schedule_timeout+0x38/0x220
[47761.448774] [<ffffffff814204da>] ? wait_for_common+0x26/0x144
[47761.448784] [<ffffffff81207b53>] ? do_raw_spin_lock+0x6b/0x122
[47761.448792] [<ffffffff81423dae>] ? _raw_spin_unlock_irq+0x2b/0x59
[47761.448801] [<ffffffff81036070>] ? get_parent_ip+0x11/0x41
[47761.448808] [<ffffffff81036132>] ? sub_preempt_count+0x92/0xa5
[47761.448816] [<ffffffff8142057e>] wait_for_common+0xca/0x144
[47761.448823] [<ffffffff81038b13>] ? default_wake_function+0x0/0xf
[47761.448831] [<ffffffff81036132>] ? sub_preempt_count+0x92/0xa5
[47761.448838] [<ffffffff81420692>] wait_for_completion+0x18/0x1a
[47761.448845] [<ffffffff8103cec0>] do_fork+0x2b0/0x32e
[47761.448856] [<ffffffff810021ba>] ? sysret_check+0x2e/0x69
[47761.448864] [<ffffffff8100a526>] sys_vfork+0x20/0x22
[47761.448871] [<ffffffff81002563>] stub_vfork+0x13/0x20
[47761.448878] [<ffffffff81002182>] ? system_call_fastpath+0x16/0x1b
[47761.448884] no locks held by make/29123.
[47761.448891] INFO: task make:31380 blocked for more than 120 seconds.
[47761.448895] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[47761.448899] make D 0000000000000000 0 31380 29123 0x00000000
[47761.448908] ffff880157f01c38 0000000000000046 0000000000000000 ffff880157f00000
[47761.448918] ffff880157f01fd8 0000000000012040 ffff8800773abea0 ffff880157f01fd8
[47761.448929] 0000000000012040 0000000000012040 ffff880157f01fd8 0000000000012040
[47761.448939] Call Trace:
[47761.448947] [<ffffffff814212ff>] schedule_timeout+0x38/0x220
[47761.448957] [<ffffffff81066f21>] ? mark_held_locks+0x50/0x72
[47761.448965] [<ffffffff81423dae>] ? _raw_spin_unlock_irq+0x2b/0x59
[47761.448972] [<ffffffff81036070>] ? get_parent_ip+0x11/0x41
[47761.448979] [<ffffffff81036132>] ? sub_preempt_count+0x92/0xa5
[47761.448986] [<ffffffff8142057e>] wait_for_common+0xca/0x144
[47761.448994] [<ffffffff81038b13>] ? default_wake_function+0x0/0xf
[47761.449001] [<ffffffff81423e4b>] ? _raw_spin_unlock_irqrestore+0x6f/0x74
[47761.449008] [<ffffffff81420692>] wait_for_completion+0x18/0x1a
[47761.449017] [<ffffffff81084808>] stop_one_cpu+0x8c/0xba
[47761.449025] [<ffffffff810355cb>] ? migration_cpu_stop+0x0/0x3d
[47761.449033] [<ffffffff81035aef>] sched_exec+0xc3/0xdc
[47761.449041] [<ffffffff810e7dad>] do_execve+0xaa/0x267
[47761.449049] [<ffffffff8100a58b>] sys_execve+0x3e/0x55
[47761.449056] [<ffffffff8100265c>] stub_execve+0x6c/0xc0
[47761.449062] 1 lock held by make/31380:
[47761.449065] #0: (&sig->cred_guard_mutex){+.+.+.}, at: [<ffffffff810e7b1d>] prepare_bprm_creds+0x28/0x64
Sergey
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next reply other threads:[~2010-11-04 15:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-04 15:58 Sergey Senozhatsky [this message]
2010-11-04 16:19 ` Markus Trippelsdorf
2010-11-04 17:32 ` Peter Zijlstra
2010-11-04 18:16 ` Sergey Senozhatsky
2010-11-05 11:14 ` Sergey Senozhatsky
-- strict thread matches above, loose matches on Subject: below --
2010-10-07 23:18 Shawn Bohrer
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