From mboxrd@z Thu Jan 1 00:00:00 1970 From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) Subject: Re: python-3.3.5 test failures on i686 in core-updates Date: Wed, 17 Sep 2014 12:10:24 +0200 Message-ID: <8761gmblrj.fsf@gnu.org> References: <87k353tq8b.fsf@yeeloong.lan> <87fvfrtepv.fsf@yeeloong.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:41171) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XUCC3-0003Hv-FI for guix-devel@gnu.org; Wed, 17 Sep 2014 06:10:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XUCBy-00082b-LJ for guix-devel@gnu.org; Wed, 17 Sep 2014 06:10:34 -0400 Received: from hera.aquilenet.fr ([2a01:474::1]:48343) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XUCBy-00081v-A0 for guix-devel@gnu.org; Wed, 17 Sep 2014 06:10:30 -0400 In-Reply-To: <87fvfrtepv.fsf@yeeloong.lan> (Mark H. Weaver's message of "Tue, 16 Sep 2014 17:53:00 -0400") List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org To: Mark H Weaver Cc: guix-devel@gnu.org Mark H Weaver skribis: > I wrote: >> Python-3.3.5 fails its test suite on i686. > > This turns out to be a bug in glibc-2.20. > I've filed an upstream ticket here: > > https://sourceware.org/bugzilla/show_bug.cgi?id=3D17398 It turned out to be a GCC 4.8 bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D61801 So now we have two option: 1. Patch GCC 4.8.3 in core-updates, and rebuild the whole thing. 2. Switch to GCC 4.9 as the default. Option #1 is the safest, I think. Thoughts? Ludo=E2=80=99.