Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752510AbaJTOlk (ORCPT ); Mon, 20 Oct 2014 10:41:40 -0400 Received: from mail-qg0-f45.google.com ([209.85.192.45]:39246 "EHLO mail-qg0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752299AbaJTOlj (ORCPT ); Mon, 20 Oct 2014 10:41:39 -0400 From: Vince Weaver X-Google-Original-From: Vince Weaver Date: Mon, 20 Oct 2014 10:48:21 -0400 (EDT) To: Vince Weaver cc: "linux-kernel@vger.kernel.org" , Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo Subject: Re: perf: 3.17 another perf_fuzzer lockup In-Reply-To: Message-ID: References: User-Agent: Alpine 2.11 (DEB 23 2013-08-11) 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 On Mon, 20 Oct 2014, Vince Weaver wrote: > nope. Wasted 3 days trying to bisect this. Something during the 3.17 > merge window changed enough to make the perf_fuzzer results > non-deterministic, and that makes it nearly impossibe to reproduce the > issue properly. Ugh. I might be reduced to sprinkling printks around > unless anyone chimes in with better advice. yes, so 3 different bisects from 3 different starting points and it bisects each time to: commit 29b88e23a9212136d39b0161a39afe587d0170a5 Merge: 2521129 4e3a25b Author: Linus Torvalds Date: Mon Aug 4 18:34:04 2014 -0700 Merge tag 'driver-core-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/dri Pull driver core updates from Greg KH: "Here's the big driver-core pull request for 3.17-rc1. which makes no sense at all :( 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/