From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755677AbaEOWJj (ORCPT ); Thu, 15 May 2014 18:09:39 -0400 Received: from mail-la0-f44.google.com ([209.85.215.44]:50455 "EHLO mail-la0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754653AbaEOWJi (ORCPT ); Thu, 15 May 2014 18:09:38 -0400 Date: Fri, 16 May 2014 02:09:35 +0400 From: Cyrill Gorcunov To: Vince Weaver Cc: Don Zickus , linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar Subject: Re: perf_fuzzer crash on pentium 4 Message-ID: <20140515220935.GV28328@moon> References: <20140506202307.GA1458@moon> <20140508020050.GX39568@redhat.com> <20140508073756.GM8607@moon> <20140508074930.GN8607@moon> <20140508080234.GO8607@moon> <20140514203924.GE28328@moon> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 15, 2014 at 01:31:16AM -0400, Vince Weaver wrote: > On Thu, 15 May 2014, Cyrill Gorcunov wrote: > > > So I'm experiencing the same problem on latest -tip + my patches applied. > > glad it's not just me. > > I find the problem to be reproducible and so in theory it might be > possible to generate a small reproducing test case. > I meant to do that already but I got distracted by other things. Please ping me once you manage to create such case. > > I think I managed to have a trace I recorded and replayed recreate the > issue, but narrowing things down from a 2000+ syscall trace can be > tedious. I imagine :/ > > Let me know if you have any other issues with the perf_fuzzer. Sure. Because the testing machine I'm having is connected remotely when hang happens the only notification I get is unresposible ssh connection, sigh...