workqueue: WARN at at kernel/workqueue.c:2176

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From: Sasha Levin <sasha.levin@oracle.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Tejun Heo <tj@kernel.org>, Dave Jones <davej@redhat.com>
Subject: workqueue: WARN at at kernel/workqueue.c:2176
Date: Mon, 12 May 2014 14:58:55 -0400	[thread overview]
Message-ID: <537119EF.2060102@oracle.com> (raw)

Hi all,

While fuzzing with trinity inside a KVM tools guest running the latest -next
kernel I've stumbled on the following spew:

[ 1297.886670] WARNING: CPU: 0 PID: 190 at kernel/workqueue.c:2176 process_one_work+0xb5/0x6f0()
[ 1297.889216] Modules linked in:
[ 1297.890306] CPU: 0 PID: 190 Comm: kworker/3:0 Not tainted 3.15.0-rc5-next-20140512-sasha-00019-ga20bc00-dirty #456
[ 1297.893258]  0000000000000009 ffff88010c5d7ce8 ffffffffb153e1ec 0000000000000002
[ 1297.893258]  0000000000000000 ffff88010c5d7d28 ffffffffae15fd6c ffff88010cdd6c98
[ 1297.893258]  ffff8806285d4000 ffffffffb3cd09e0 ffff88010cdde000 0000000000000000
[ 1297.893258] Call Trace:
[ 1297.893258] dump_stack (lib/dump_stack.c:52)
[ 1297.893258] warn_slowpath_common (kernel/panic.c:430)
[ 1297.893258] warn_slowpath_null (kernel/panic.c:465)
[ 1297.893258] process_one_work (kernel/workqueue.c:2174 (discriminator 38))
[ 1297.893258] worker_thread (kernel/workqueue.c:2354)
[ 1297.893258] ? rescuer_thread (kernel/workqueue.c:2303)
[ 1297.893258] kthread (kernel/kthread.c:210)
[ 1297.893258] ? kthread_create_on_node (kernel/kthread.c:176)
[ 1297.893258] ret_from_fork (arch/x86/kernel/entry_64.S:553)
[ 1297.893258] ? kthread_create_on_node (kernel/kthread.c:176)


Thanks,
Sasha

next             reply	other threads:[~2014-05-12 18:59 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-12 18:58 Sasha Levin [this message]
2014-05-12 20:01 ` workqueue: WARN at at kernel/workqueue.c:2176 Tejun Heo
2014-05-13  2:19   ` Lai Jiangshan
2014-05-13  2:17     ` Sasha Levin
2014-05-14 16:52       ` Jason J. Herne
2014-05-16  3:50         ` Lai Jiangshan
2014-05-16  9:35           ` Peter Zijlstra
2014-05-16  9:56             ` Lai Jiangshan
2014-05-16 10:29               ` Peter Zijlstra
2014-05-16 10:15             ` Peter Zijlstra
2014-05-16 10:16               ` Peter Zijlstra
2014-05-16 10:39                 ` Peter Zijlstra
2014-05-16 11:57           ` Peter Zijlstra
2014-05-16 12:08             ` Tejun Heo
2014-05-16 12:14               ` Thomas Gleixner
2014-05-16 12:16                 ` Tejun Heo
2014-05-16 16:18             ` Lai Jiangshan
2014-05-16 16:29               ` Peter Zijlstra
2014-05-27 14:18                 ` Jason J. Herne
2014-05-27 14:26                   ` Peter Zijlstra
2014-05-29 16:23                     ` Jason J. Herne
2014-06-03 11:24                       ` Lai Jiangshan
2014-06-03 12:45                         ` Lai Jiangshan
2014-06-03 14:28                           ` Peter Zijlstra
2014-06-04  1:47                             ` Lai Jiangshan
2014-06-03 14:16                         ` Peter Zijlstra
2014-06-04  2:27                           ` Lai Jiangshan
2014-06-04  6:49                             ` Peter Zijlstra
2014-06-04  8:25                               ` Lai Jiangshan
2014-06-04  9:39                                 ` Peter Zijlstra
2014-06-05 10:54                                   ` Lai Jiangshan
2014-06-05 15:22                                     ` Jason J. Herne
2014-06-06 12:39                                     ` Jason J. Herne
2014-06-06 13:36                                     ` Peter Zijlstra
2014-06-08  2:50                                       ` Lai Jiangshan
2014-09-01  3:04                                       ` Lai Jiangshan
2014-09-03 15:15                                         ` Peter Zijlstra
2014-09-04  2:22                                           ` Lai Jiangshan
2014-09-04  6:39                                             ` Peter Zijlstra
2014-06-09 14:01                                     ` Jason J. Herne
2014-06-10  1:21                                       ` Lai Jiangshan
2014-06-16  1:30                                         ` Lai Jiangshan
2014-09-09 14:52                                 ` [tip:sched/core] sched: Migrate waking tasks tip-bot for Lai Jiangshan
2014-09-10  7:38                                   ` Kirill Tkhai
2014-09-10  7:53                                     ` Peter Zijlstra
2014-06-04  2:28                         ` workqueue: WARN at at kernel/workqueue.c:2176 Lai Jiangshan
2014-06-04  6:48                           ` Peter Zijlstra
2014-05-19 13:07           ` [tip:sched/core] sched: Fix hotplug vs set_cpus_allowed_ptr() tip-bot for Lai Jiangshan
2014-05-22 12:26           ` [tip:sched/core] sched: Fix hotplug vs. set_cpus_allowed_ptr() tip-bot for Lai Jiangshan
2014-05-22 22:02             ` Srivatsa S. Bhat

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