From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) Newsgroups: gmane.lisp.guile.devel Subject: Re: The 2.0.9 VM cores in enqueue (threads.c:309) Date: Sun, 28 Apr 2013 17:28:00 +0200 Message-ID: <878v42isjj.fsf@gnu.org> References: <517C2DBF.7050304@computer.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1367162901 20659 80.91.229.3 (28 Apr 2013 15:28:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 28 Apr 2013 15:28:21 +0000 (UTC) Cc: guile-devel@gnu.org To: Andrew Gaylard Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Sun Apr 28 17:28:19 2013 Return-path: Envelope-to: guile-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UWTWT-0006Z7-WE for guile-devel@m.gmane.org; Sun, 28 Apr 2013 17:28:18 +0200 Original-Received: from localhost ([::1]:39472 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UWTWT-0001iF-IC for guile-devel@m.gmane.org; Sun, 28 Apr 2013 11:28:17 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:56916) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UWTWO-0001i7-1q for guile-devel@gnu.org; Sun, 28 Apr 2013 11:28:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UWTWN-00040n-3H for guile-devel@gnu.org; Sun, 28 Apr 2013 11:28:11 -0400 Original-Received: from [2a01:e0b:1:123:ca0a:a9ff:fe03:271e] (port=58683 helo=xanadu.aquilenet.fr) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UWTWM-0003yo-U4 for guile-devel@gnu.org; Sun, 28 Apr 2013 11:28:11 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by xanadu.aquilenet.fr (Postfix) with ESMTP id 2641FD227; Sun, 28 Apr 2013 17:28:01 +0200 (CEST) Original-Received: from xanadu.aquilenet.fr ([127.0.0.1]) by localhost (xanadu.aquilenet.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Cl+Db3ci+3wB; Sun, 28 Apr 2013 17:28:01 +0200 (CEST) Original-Received: from pluto (reverse-83.fdn.fr [80.67.176.83]) by xanadu.aquilenet.fr (Postfix) with ESMTPSA id 953EED21E; Sun, 28 Apr 2013 17:28:00 +0200 (CEST) X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 9 =?utf-8?Q?Flor=C3=A9al?= an 221 de la =?utf-8?Q?R?= =?utf-8?Q?=C3=A9volution?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 83C4 F8E5 10A3 3B4C 5BEA D15D 77DD 95E2 EA52 ECF4 X-OS: x86_64-unknown-linux-gnu In-Reply-To: <517C2DBF.7050304@computer.org> (Andrew Gaylard's message of "Sat, 27 Apr 2013 21:57:51 +0200") User-Agent: Gnus/5.130005 (Ma Gnus v0.5) Emacs/24.3 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2a01:e0b:1:123:ca0a:a9ff:fe03:271e X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:16302 Archived-At: Hi, Andrew Gaylard skribis: > (gdb) bt > #0 0xffffffff7e77b5f4 in enqueue (q=3D0x1010892c0, t=3D0x1018aac20) at > threads.c:309 > #1 0xffffffff7e77bc20 in block_self (queue=3D0x1010892c0, > sleep_object=3D0x1010892d0, mutex=3D0x1019eef00, waittime=3D0x0) at > threads.c:452 > #2 0xffffffff7e77df50 in fat_mutex_lock (mutex=3D0x1010892d0, > timeout=3D0x0, owner=3D0x904, ret=3D0xffffffff734f92ac) at threads.c:1473 [...] > This problem happens on Solaris 10, both on SPARC and x86. > The failure mode is identical on both. I've been unable to replicate > the problem on Linux/x86 and Linux/x86_64. > > The details are: > > - gcc-4.7.2 > - bdw-gc-7.2d > - guile-2.0.9 Could you post this to bug-guile@gnu.org (where it=E2=80=99ll be archived, = so we don=E2=80=99t lose it), along with a test case that reproduces the problem? I can try to reproduce it and investigate on an OpenCSW box later. Thanks, Ludo=E2=80=99.