From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758056AbaEFPqo (ORCPT ); Tue, 6 May 2014 11:46:44 -0400 Received: from casper.infradead.org ([85.118.1.10]:33376 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757359AbaEFPqn convert rfc822-to-8bit (ORCPT ); Tue, 6 May 2014 11:46:43 -0400 Date: Tue, 6 May 2014 17:46:37 +0200 From: Peter Zijlstra To: Vince Weaver Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Cyrill Gorcunov Subject: Re: perf_fuzzer crash on pentium 4 Message-ID: <20140506154637.GW26782@laptop.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 06, 2014 at 11:42:58AM -0400, Vince Weaver wrote: > > So just to be difficult I fired up the perf_fuzzer on a Pentium 4 machine. > > It crashes more or less instantly (sorry for the line wrapping, > just got the serial console hooked up and don't have minicom configured > right yet). > > this is 3.15-rc4 with the anti-memory corruption patch applied. *sigh*.. the one x86 PMU driver I really don't know. I might actually have some P4 class hardware, I'll try and get it wired up this week somewhere.