From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: branch master segfault (2019-02-05) Date: Tue, 05 Feb 2019 18:50:57 +0200 Message-ID: <83ftt2tc0e.fsf@gnu.org> References: Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="189699"; mail-complaints-to="usenet@blaine.gmane.org" Cc: emacs-devel@gnu.org To: Philippe Vaucher Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Feb 05 17:52:41 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gr3xf-000nE6-NI for ged-emacs-devel@m.gmane.org; Tue, 05 Feb 2019 17:52:39 +0100 Original-Received: from localhost ([127.0.0.1]:34806 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gr3xe-0000CP-OK for ged-emacs-devel@m.gmane.org; Tue, 05 Feb 2019 11:52:38 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:57611) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gr3wC-0000Am-1H for emacs-devel@gnu.org; Tue, 05 Feb 2019 11:51:08 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:44074) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gr3wB-0002kX-UV; Tue, 05 Feb 2019 11:51:07 -0500 Original-Received: from [176.228.60.248] (port=4305 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gr3wB-0005sk-Mr; Tue, 05 Feb 2019 11:51:07 -0500 In-reply-to: (message from Philippe Vaucher on Tue, 5 Feb 2019 15:48:20 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:233006 Archived-At: > From: Philippe Vaucher > Date: Tue, 5 Feb 2019 15:48:20 +0100 > > Since a while, the docker images from "master" segfault: > > ``` > philippe@pv-desktop:~$ docker run -it --rm silex/emacs:master > Fatal error 11: Segmentation fault > Backtrace: > emacs(+0x132cae)[0x555966f19cae] > emacs(+0x11925a)[0x555966f0025a] > emacs(+0x13107e)[0x555966f1807e] > emacs(+0x131328)[0x555966f18328] > emacs(+0x1313ac)[0x555966f183ac] > /lib/x86_64-linux-gnu/libpthread.so.0(+0x12890)[0x7f3010977890] > ``` > > The binary is semi-working tho, like for example: > > ``` > philippe@pv-desktop:~$ docker run -it --rm silex/emacs:master emacs --version > GNU Emacs 27.0.50 > Copyright (C) 2019 Free Software Foundation, Inc. > GNU Emacs comes with ABSOLUTELY NO WARRANTY. > You may redistribute copies of GNU Emacs > under the terms of the GNU General Public License. > For more information about these matters, see the file named COPYING. > ``` > > Here attached you'll find the gdb trace and a strace log. I tried to build the image with debug flags using what's > in DEBUG, but the errors are similar. > > I know that recently the portable dumper branch was merged, I suspect it has to do with the segfault... If > necessary, I can bisect to find the offending commit, but I was hoping someone would quickly know what is > happening. > > This happens even if I run the container in privileged mode. Thanks. Could you please show the Lisp backtrace as well, using the "xbacktrace" command defined on src/.gdbinit? Also, does this happen when Emacs is invoked as "emacs -Q"?