Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936370Ab3DIUiM (ORCPT ); Tue, 9 Apr 2013 16:38:12 -0400 Received: from www.sr71.net ([198.145.64.142]:55999 "EHLO blackbird.sr71.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935899Ab3DIUiI (ORCPT ); Tue, 9 Apr 2013 16:38:08 -0400 Message-ID: <51647C30.3050109@sr71.net> Date: Tue, 09 Apr 2013 13:38:08 -0700 From: Dave Hansen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: Thomas Gleixner CC: Borislav Petkov , "Srivatsa S. Bhat" , LKML , Dave Jones , dhillf@gmail.com, Peter Zijlstra , Ingo Molnar Subject: Re: [PATCH] kthread: Prevent unpark race which puts threads on the wrong cpu References: <515F457E.5050505@sr71.net> <515FCAC6.8090806@linux.vnet.ibm.com> <20130407095025.GA31307@pd.tnic> <20130408115553.GA4395@pd.tnic> <516439DF.3050901@sr71.net> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 790 Lines: 22 On 04/09/2013 12:30 PM, Thomas Gleixner wrote: > On Tue, 9 Apr 2013, Thomas Gleixner wrote: > Thought more about it and found, that the stupid binding only works > when the task is really descheduled. So there is a small window left, > which could lead to this. Revised patch below. > > Anyway a trace for that issue would be appreciated nevertheless. Here you go: http://sr71.net/~dave/linux/bigbox.1365539189.txt.gz It oopsed in exit.c: https://picasaweb.google.com/lh/photo/7v_Xua9I29Rar3bBdNlLu9MTjNZETYmyPJy0liipFm0?feat=directlink -- 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/