From: Dave Jones <davej@codemonkey.org.uk>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Cc: rjw@rjwysocki.net, linux-pm@vger.kernel.org
Subject: cpufreq/ondemand: unpinning an unpinned lock.
Date: Wed, 15 Jul 2015 18:04:22 -0400 [thread overview]
Message-ID: <20150715220422.GA13789@codemonkey.org.uk> (raw)
WARNING: CPU: 1 PID: 29529 at kernel/locking/lockdep.c:3497 lock_unpin_lock+0x109/0x110()
unpinning an unpinned lock
CPU: 1 PID: 29529 Comm: kworker/1:1 Not tainted 4.2.0-rc2-think+ #3
Workqueue: events od_dbs_timer
0000000000000009 ffff880094d5baa8 ffffffffae7f5e6f 0000000000000007
ffff880094d5baf8 ffff880094d5bae8 ffffffffae07b91a 0000000000000118
00000000000000e0 ffff880507bd5c58 0000000000000092 0000000000000004
Call Trace:
[<ffffffffae7f5e6f>] dump_stack+0x4f/0x7b
[<ffffffffae07b91a>] warn_slowpath_common+0x8a/0xc0
[<ffffffffae07b996>] warn_slowpath_fmt+0x46/0x50
[<ffffffffae0d0ec9>] lock_unpin_lock+0x109/0x110
[<ffffffffae7f93cc>] __schedule+0x3ac/0xb60
[<ffffffffae7f9c41>] schedule+0x41/0x90
[<ffffffffae7f9ff8>] schedule_preempt_disabled+0x18/0x30
[<ffffffffae7fbcef>] mutex_lock_nested+0x16f/0x3e0
[<ffffffffae69207f>] ? gov_queue_work+0x2f/0xf0
[<ffffffffae690ec7>] ? od_check_cpu+0x57/0xd0
[<ffffffffae69207f>] ? gov_queue_work+0x2f/0xf0
[<ffffffffae69207f>] gov_queue_work+0x2f/0xf0
[<ffffffffae6918dd>] od_dbs_timer+0xbd/0x150
[<ffffffffae099613>] process_one_work+0x1f3/0x7a0
[<ffffffffae099582>] ? process_one_work+0x162/0x7a0
[<ffffffffae099cb9>] ? worker_thread+0xf9/0x470
[<ffffffffae099c29>] worker_thread+0x69/0x470
[<ffffffffae0ad993>] ? preempt_count_sub+0xa3/0xf0
[<ffffffffae099bc0>] ? process_one_work+0x7a0/0x7a0
[<ffffffffae09fddf>] kthread+0x11f/0x140
[<ffffffffae09fcc0>] ? kthread_create_on_node+0x250/0x250
[<ffffffffae80090f>] ret_from_fork+0x3f/0x70
[<ffffffffae09fcc0>] ? kthread_create_on_node+0x250/0x250
---[ end trace 86cca931caec9193 ]---
next reply other threads:[~2015-07-15 22:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-15 22:04 Dave Jones [this message]
2015-07-16 0:13 ` cpufreq/ondemand: unpinning an unpinned lock Rafael J. Wysocki
2015-07-16 5:11 ` Viresh Kumar
2015-07-16 12:42 ` Dave Jones
2015-07-22 0:46 ` Stephen Boyd
2015-07-22 9:02 ` Peter Zijlstra
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