Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753233AbaKJQDY (ORCPT ); Mon, 10 Nov 2014 11:03:24 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:45930 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751395AbaKJQDX (ORCPT ); Mon, 10 Nov 2014 11:03:23 -0500 Date: Mon, 10 Nov 2014 17:03:20 +0100 From: Peter Zijlstra To: Sasha Levin Cc: Kirill Tkhai , linux-kernel@vger.kernel.org, Oleg Nesterov , Ingo Molnar , Vladimir Davydov , Kirill Tkhai Subject: Re: [PATCH v4] sched/numa: fix unsafe get_task_struct() in task_numa_assign() Message-ID: <20141110160320.GA10501@worktop.programming.kicks-ass.net> References: <1413962231.19914.130.camel@tkhai> <545D928B.2070508@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <545D928B.2070508@oracle.com> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 07, 2014 at 10:48:27PM -0500, Sasha Levin wrote: > [ 829.539183] BUG: spinlock recursion on CPU#10, trinity-c594/11067 > [ 829.539203] lock: 0xffff880631dd6b80, .magic: dead4ead, .owner: trinity-c594/11067, .owner_cpu: 13 Ooh, look at that. CPU#10 vs .owner_cpu: 13 on the _same_ task. One of those again :/ -- 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/