From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juanma Barranquero Newsgroups: gmane.emacs.bugs Subject: bug#8334: Segmentation fault in mark_object (in my patched version) Date: Thu, 24 Mar 2011 04:07:48 +0100 Message-ID: References: <87ei5xs5q0.fsf@stupidchicken.com> <87mxkltjdc.fsf@stupidchicken.com> <878vw5nvcl.fsf@stupidchicken.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1300937841 25287 80.91.229.12 (24 Mar 2011 03:37:21 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 24 Mar 2011 03:37:21 +0000 (UTC) Cc: Chong Yidong , 8334@debbugs.gnu.org To: Lennart Borgman Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Mar 24 04:37:13 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Q2bMG-0005S5-3t for geb-bug-gnu-emacs@m.gmane.org; Thu, 24 Mar 2011 04:37:12 +0100 Original-Received: from localhost ([127.0.0.1]:58654 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q2bMF-0003Fa-3V for geb-bug-gnu-emacs@m.gmane.org; Wed, 23 Mar 2011 23:37:11 -0400 Original-Received: from [140.186.70.92] (port=56769 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q2bMB-0003FS-Cs for bug-gnu-emacs@gnu.org; Wed, 23 Mar 2011 23:37:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q2bMA-0004Nz-9D for bug-gnu-emacs@gnu.org; Wed, 23 Mar 2011 23:37:07 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:44565) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q2bMA-0004Ns-5M for bug-gnu-emacs@gnu.org; Wed, 23 Mar 2011 23:37:06 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1Q2auz-0000ym-T8; Wed, 23 Mar 2011 23:09:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Juanma Barranquero Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 24 Mar 2011 03:09:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 8334 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: unreproducible moreinfo Original-Received: via spool by 8334-submit@debbugs.gnu.org id=B8334.13009361153733 (code B ref 8334); Thu, 24 Mar 2011 03:09:01 +0000 Original-Received: (at 8334) by debbugs.gnu.org; 24 Mar 2011 03:08:35 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Q2auZ-0000y9-AN for submit@debbugs.gnu.org; Wed, 23 Mar 2011 23:08:35 -0400 Original-Received: from mail-gw0-f44.google.com ([74.125.83.44]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Q2auY-0000xy-74 for 8334@debbugs.gnu.org; Wed, 23 Mar 2011 23:08:34 -0400 Original-Received: by gwb20 with SMTP id 20so3672991gwb.3 for <8334@debbugs.gnu.org>; Wed, 23 Mar 2011 20:08:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type:content-transfer-encoding; bh=ZANV1tDrey6J4FR/j+fzIwSPh0Dzz5jSEE9MSfI3mgY=; b=keGKNfGMgM6XuTduZ71VyFakcX+n2O3ETaWZoVHOsXFiDGvsWDnYY8vfgjRpDv+9/l ESKwnQyEikwEC1Jm+2hSmkK8xLDdNsMc6mTPkbqkomxM9iL/nN9OJDI1f+its44FBJEV XKnqwqgRYq5SjRDd8BI22ov3WEJGOXqRK81E4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; b=X4JBAxyPhq2XPC7G2vyMlzv5Wms/PUCIOakG1uaNugRcXm4uQi9teeyvDA6IV2TTnl zieQz4hDBd1c/Qadi7nNHrGOUTvuqSD07sg6fcqHaqsrZgd8i07INDBjBkXw8wonSEQ2 60pVh3HNPqtHc0QTa3DCfyox0MWTmSYeTEQEY= Original-Received: by 10.146.91.31 with SMTP id o31mr1116201yab.39.1300936108258; Wed, 23 Mar 2011 20:08:28 -0700 (PDT) Original-Received: by 10.147.34.11 with HTTP; Wed, 23 Mar 2011 20:07:48 -0700 (PDT) In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Wed, 23 Mar 2011 23:09:01 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:45306 Archived-At: On Thu, Mar 24, 2011 at 02:52, Lennart Borgman wrote: > The problem is > that the different threads involved might be badly coordinated in > certain cases. Why do you think so? > This is a general problem I have pointed to several > times (without much success). Have you tried building with -fno-strict-aliasing? Bug#8217 is about a crash during garbage collection that apparently disappears with -fno-strict-aliasing, and I've been also experiencing garbage-collection crashes in non-optimized gcc 4+ builds that seem to be "cured" (or most likely, hidden) by that option. =C2=A0 =C2=A0 Juanma