From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: cpufreq/ondemand: unpinning an unpinned lock. Date: Wed, 15 Jul 2015 18:04:22 -0400 Message-ID: <20150715220422.GA13789@codemonkey.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from arcturus.aphlor.org ([188.246.204.175]:50938 "EHLO arcturus.aphlor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753701AbbGOWEa (ORCPT ); Wed, 15 Jul 2015 18:04:30 -0400 Content-Disposition: inline Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Linux Kernel Cc: rjw@rjwysocki.net, linux-pm@vger.kernel.org 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: [] dump_stack+0x4f/0x7b [] warn_slowpath_common+0x8a/0xc0 [] warn_slowpath_fmt+0x46/0x50 [] lock_unpin_lock+0x109/0x110 [] __schedule+0x3ac/0xb60 [] schedule+0x41/0x90 [] schedule_preempt_disabled+0x18/0x30 [] mutex_lock_nested+0x16f/0x3e0 [] ? gov_queue_work+0x2f/0xf0 [] ? od_check_cpu+0x57/0xd0 [] ? gov_queue_work+0x2f/0xf0 [] gov_queue_work+0x2f/0xf0 [] od_dbs_timer+0xbd/0x150 [] process_one_work+0x1f3/0x7a0 [] ? process_one_work+0x162/0x7a0 [] ? worker_thread+0xf9/0x470 [] worker_thread+0x69/0x470 [] ? preempt_count_sub+0xa3/0xf0 [] ? process_one_work+0x7a0/0x7a0 [] kthread+0x11f/0x140 [] ? kthread_create_on_node+0x250/0x250 [] ret_from_fork+0x3f/0x70 [] ? kthread_create_on_node+0x250/0x250 ---[ end trace 86cca931caec9193 ]---