From: Dave Jones <davej@redhat.com>
To: Miles Lane <miles.lane@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>,
Jun Nakajima <jun.nakajima@intel.com>,
cpufreq@vger.kernel.org
Subject: Re: 2.6.31-rc1-git9: INFO: possible circular locking dependency detected -- (&(&dbs_info->work)->work){+.+...}, at: [<c104292d>] __cancel_work_timer+0x81/0x17f
Date: Thu, 2 Jul 2009 12:20:35 -0400 [thread overview]
Message-ID: <20090702162035.GB21746@redhat.com> (raw)
In-Reply-To: <a44ae5cd0907020741g146cb2eq2f75a217fc3fad09@mail.gmail.com>
On Thu, Jul 02, 2009 at 10:41:23AM -0400, Miles Lane wrote:
> [ 348.243995] [ INFO: possible circular locking dependency detected ]
> [ 348.244004] 2.6.31-rc1-git9 #13
> [ 348.244009] -------------------------------------------------------
> [ 348.244017] pm-suspend/3134 is trying to acquire lock:
> [ 348.244023] (&(&dbs_info->work)->work){+.+...}, at: [<c104292d>]
> __cancel_work_timer+0x81/0x17f
> [ 348.244025]
> [ 348.244025] but task is already holding lock:
> [ 348.244025] (dbs_mutex){+.+.+.}, at: [<f805791c>]
> cpufreq_governor_dbs+0x1fd/0x279 [cpufreq_ondemand]
well known by now. Venki is working on a fix, but it's not a simple
fix, so it's taking time.
Dave
prev parent reply other threads:[~2009-07-02 16:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-02 14:41 Miles Lane
2009-07-02 16:20 ` Dave Jones [this message]
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