From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752160AbaBNO50 (ORCPT ); Fri, 14 Feb 2014 09:57:26 -0500 Received: from e33.co.us.ibm.com ([32.97.110.151]:35908 "EHLO e33.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751065AbaBNO5Z (ORCPT ); Fri, 14 Feb 2014 09:57:25 -0500 Message-ID: <52FE2EAB.4070304@linux.vnet.ibm.com> Date: Fri, 14 Feb 2014 09:56:43 -0500 From: "Jason J. Herne" Reply-To: jjherne@linux.vnet.ibm.com Organization: IBM User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Tejun Heo CC: Lai Jiangshan , linux-kernel@vger.kernel.org, Ingo Molnar , Peter Zijlstra Subject: Re: Subject: Warning in workqueue.c References: <52F4F01C.1070800@linux.vnet.ibm.com> <20140207165113.GD3304@htj.dyndns.org> <52F51E10.8050208@linux.vnet.ibm.com> <20140207193604.GA8833@htj.dyndns.org> <52F8F0FB.3080206@linux.vnet.ibm.com> <20140210231742.GK25350@mtj.dyndns.org> <52FB90C6.4010701@linux.vnet.ibm.com> <52FC3C83.8020303@cn.fujitsu.com> <52FD07B2.5080402@linux.vnet.ibm.com> <20140213204102.GC17608@htj.dyndns.org> In-Reply-To: <20140213204102.GC17608@htj.dyndns.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14021414-0928-0000-0000-0000065E32E9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/13/2014 03:41 PM, Tejun Heo wrote: > Jason, I don't have much idea from workqueue side. Have you been > running this test with older kernels too? Can you confirm whether > this failure is something recent? Bisection would be awesome but just > confirming, say, 3.12 doesn't have this issue would be very helpful. I will try to find a kernel where this is not reproducible and attempt bisect from there. I will let you know what I find. -- -- Jason J. Herne (jjherne@linux.vnet.ibm.com)