Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753140AbZGBQUn (ORCPT ); Thu, 2 Jul 2009 12:20:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751678AbZGBQUf (ORCPT ); Thu, 2 Jul 2009 12:20:35 -0400 Received: from mx2.redhat.com ([66.187.237.31]:56472 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750848AbZGBQUf (ORCPT ); Thu, 2 Jul 2009 12:20:35 -0400 Date: Thu, 2 Jul 2009 12:20:35 -0400 From: Dave Jones To: Miles Lane Cc: LKML , Venkatesh Pallipadi , Jun Nakajima , cpufreq@vger.kernel.org Subject: Re: 2.6.31-rc1-git9: INFO: possible circular locking dependency detected -- (&(&dbs_info->work)->work){+.+...}, at: [] __cancel_work_timer+0x81/0x17f Message-ID: <20090702162035.GB21746@redhat.com> Mail-Followup-To: Dave Jones , Miles Lane , LKML , Venkatesh Pallipadi , Jun Nakajima , cpufreq@vger.kernel.org References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 942 Lines: 21 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: [] > __cancel_work_timer+0x81/0x17f > [ 348.244025] > [ 348.244025] but task is already holding lock: > [ 348.244025] (dbs_mutex){+.+.+.}, at: [] > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/