From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753263AbaEHHtf (ORCPT ); Thu, 8 May 2014 03:49:35 -0400 Received: from mail-lb0-f181.google.com ([209.85.217.181]:63808 "EHLO mail-lb0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753085AbaEHHtd (ORCPT ); Thu, 8 May 2014 03:49:33 -0400 Date: Thu, 8 May 2014 11:49:30 +0400 From: Cyrill Gorcunov To: Don Zickus , Vince Weaver Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar Subject: Re: perf_fuzzer crash on pentium 4 Message-ID: <20140508074930.GN8607@moon> References: <20140506202307.GA1458@moon> <20140508020050.GX39568@redhat.com> <20140508073756.GM8607@moon> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140508073756.GM8607@moon> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 08, 2014 at 11:37:56AM +0400, Cyrill Gorcunov wrote: > On Wed, May 07, 2014 at 10:00:50PM -0400, Don Zickus wrote: > > > > I think my commit 13beacee817d27a40ffc6f065ea0042685611dd5 explains this > > corruption. Though I have to admit I haven't looked through the problem > > very closely yet. > > > > IOW my lazy fix in that commit doesn't cover fuzzers and the real problem > > in p4_pmu_schedule_events. :-) > > Don, Vince, could you please give the patch a run? I've only compile tested > it obviously since I've no real p4 hw. And the patch itself is a bit ugly > but should bring the light if we're still having problems in events > scheduling. Drop it, won't work.