Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966140Ab3E2NMn (ORCPT ); Wed, 29 May 2013 09:12:43 -0400 Received: from mail-vb0-f42.google.com ([209.85.212.42]:55596 "EHLO mail-vb0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934233Ab3E2NMl (ORCPT ); Wed, 29 May 2013 09:12:41 -0400 Date: Wed, 29 May 2013 09:17:13 -0400 (EDT) From: Vince Weaver To: Peter Zijlstra cc: Vince Weaver , Al Viro , linux-kernel@vger.kernel.org, Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , trinity@vger.kernel.org Subject: Re: OOPS in perf_mmap_close() In-Reply-To: <20130529074433.GB12193@twins.programming.kicks-ass.net> Message-ID: References: <20130523044803.GA25399@ZenIV.linux.org.uk> <20130523125218.GB23650@twins.programming.kicks-ass.net> <20130523152611.GE23650@twins.programming.kicks-ass.net> <20130528085548.GA12193@twins.programming.kicks-ass.net> <20130529074433.GB12193@twins.programming.kicks-ass.net> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 721 Lines: 17 On Wed, 29 May 2013, Peter Zijlstra wrote: > Hurm.. I don't suppose you have an easy reproducer handy eh? I'll go > stare at it. At least the current state is better than before, but > clearly we're not quite there yet. I've been working on a reproducible test case. Simple modifications to the existing testcase don't seem to trigger things. I have a 100k-300k syscall trace that triggers things, I'm working on trying to get that down to something reasonable. Vince -- 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/