Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759865AbaGYJ2N (ORCPT ); Fri, 25 Jul 2014 05:28:13 -0400 Received: from ud10.udmedia.de ([194.117.254.50]:44169 "EHLO mail.ud10.udmedia.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750818AbaGYJ2L (ORCPT ); Fri, 25 Jul 2014 05:28:11 -0400 X-Greylist: delayed 396 seconds by postgrey-1.27 at vger.kernel.org; Fri, 25 Jul 2014 05:28:11 EDT Date: Fri, 25 Jul 2014 11:21:27 +0200 From: Markus Trippelsdorf To: Michel =?iso-8859-1?Q?D=E4nzer?= Cc: Linus Torvalds , Jakub Jelinek , Peter Zijlstra , Dietmar Eggemann , Ingo Molnar , Linux Kernel Mailing List Subject: Re: Random panic in load_balance() with 3.16-rc Message-ID: <20140725092127.GA295@x4> References: <20140723184111.GG3935@laptop> <20140723190230.GH3935@laptop> <53D064C7.5050807@daenzer.net> <20140725064836.GE2397@laptop.redhat.com> <53D21D6C.2050406@daenzer.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <53D21D6C.2050406@daenzer.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2014.07.25 at 18:03 +0900, Michel D?nzer wrote: > On 25.07.2014 17:15, Linus Torvalds wrote: > > On Thu, Jul 24, 2014 at 11:48 PM, Jakub Jelinek wrote: > >> > >> Can I ask anyone involved in this for preprocessed source and all gcc command > >> line options to reproduce it, best in the form of a http://gcc.gnu.org/bugzilla/ > >> bugreport? > > > > I've created bug 61904 for this: > > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61904 > > > > Note that I don't personally have a reproducer (my machine has > > gcc-4.8.3, and I don't see the same behavior), but I included the > > incorrect fair.s file that Michel sent me (which has all the command > > line options in it), and a pre-processed "fair.i" source file that I > > generated and that *should* match the configuration that was the > > source for that result. So there might be some version/configuration > > skew there between the two files, but I think they match. > > Thank you Linus for tracking down the problem and filing the bug report! > I would have done the latter as well, but I could only have channeled > your analysis anyway. :) > > > > Holler if you cannot reproduce the problem based on that. > > Likewise. I can create a GCC bugzilla account and add myself to the CC > list if that helps. > > FWIW though, the fair.i file you attached is basically identical to what > I'm getting, the only difference being a handful of file path strings. Unfortunately I cannot reproduce the issue. Please post your complete compiler invocation while also adding -v to the options. -- Markus -- 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/