From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dan Nicolaescu Newsgroups: gmane.emacs.bugs Subject: bug#5802: emacsclient -c crashes emacs --daemon intermittently; have strace Date: Thu, 01 Apr 2010 15:50:05 -0400 Message-ID: References: <2a4ba2fd1003251154w52283ce8w9a728b4d1e1c4170@mail.gmail.com> <2a4ba2fd1003291508t5fccd372h2c13bbd3f19f83f7@mail.gmail.com> <2a4ba2fd1003301006w23d9110ch87068e1a6862a687@mail.gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1270151766 31238 80.91.229.12 (1 Apr 2010 19:56:06 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 1 Apr 2010 19:56:06 +0000 (UTC) Cc: 5802@debbugs.gnu.org To: Ryan Thompson Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Apr 01 21:56:02 2010 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 1NxQUj-0007vK-FY for geb-bug-gnu-emacs@m.gmane.org; Thu, 01 Apr 2010 21:56:01 +0200 Original-Received: from localhost ([127.0.0.1]:59639 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NxQUi-0005rk-H6 for geb-bug-gnu-emacs@m.gmane.org; Thu, 01 Apr 2010 15:56:00 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NxQUd-0005qq-32 for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2010 15:55:55 -0400 Original-Received: from [140.186.70.92] (port=50159 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NxQUX-0005pU-Tf for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2010 15:55:54 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1NxQUU-0001a4-9s for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2010 15:55:49 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:53302) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NxQUU-0001Zt-6W for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2010 15:55:46 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1NxQPu-0006oa-EW; Thu, 01 Apr 2010 15:51:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Dan Nicolaescu Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 01 Apr 2010 19:51:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 5802 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 5802-submit@debbugs.gnu.org id=B5802.127015141226187 (code B ref 5802); Thu, 01 Apr 2010 19:51:02 +0000 Original-Received: (at 5802) by debbugs.gnu.org; 1 Apr 2010 19:50:12 +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 1NxQP6-0006oK-E4 for submit@debbugs.gnu.org; Thu, 01 Apr 2010 15:50:12 -0400 Original-Received: from fencepost.gnu.org ([140.186.70.10]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1NxQP3-0006oD-BW for 5802@debbugs.gnu.org; Thu, 01 Apr 2010 15:50:10 -0400 Original-Received: from dann by fencepost.gnu.org with local (Exim 4.69) (envelope-from ) id 1NxQOz-0002Rh-9K; Thu, 01 Apr 2010 15:50:05 -0400 In-Reply-To: (Ryan Thompson's message of "Wed\, 31 Mar 2010 23\:02\:13 -0700") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Thu, 01 Apr 2010 15:51:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 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:35862 Archived-At: Ryan Thompson writes: > On Tue, Mar 30, 2010 at 10:47 AM, Dan Nicolaescu wrote: >> Ryan Thompson writes: >> >>> On Tue, Mar 30, 2010 at 8:46 AM, Dan Nicolaescu wrote: >>>> Ryan Thompson writes: >>>> >>>>> I am trying to set myself up using emacs --daemon so that I can easily >>>>> manage multiple emacs frames within one process. However, I have hit a >>>>> significant stumbling block. If I run emacs --daemon (or emacs -nw and >>>>> then do (server-start) ) and then repeatedly run emacsclient -c and >>>>> clost the resulting window, emacs will randomly crash. Sometimes it >>>>> happens on the first time that I run emacsclient -c, sometimes on the >>>>> 20th. >>>>> >>>>> I use Ubuntu 9.10, and I have reported this bug in Launchpad. However, >>>>> I have also compiled both emacs 23.1 and trunk from vanilla sources, >>>>> and both of these exhibit the same bug as the Ubuntu-packaged >>>>> versions. >>>>> >>>>> I have generated some stack traces by the following procedure, as >>>>> described at https://bugs.launchpad.net/ubuntu/+source/emacs23/+bug/543611 >>>>> >>>>> Open two terminals. In the first terminal, run the following commands >>>>> to start emacs with strace: >>>>> >>>>> $ mkdir -p /tmp/emacs-strace >>>>> $ strace -o /tmp/emacs-strace/trace-`date +%s`.log emacs -Q -nw >>>>> >>>>> When emacs has started, do M-x server-start so that emacsclient can >>>>> work. Now, in the second terminal, run the following command: >>>>> >>>>> $ x=0; while emacsclient -c ; do x=$(( $x + 1 )); done; echo "Created >>>>> $x windows before crash." >>>>> >>>>> Now, an emacs window will open. Close it. Each time you close a >>>>> window, a new emacs window will open. Keep closing each one that >>>>> appears. If emacs exhibits the bug, then eventually you will close one >>>>> window, and emacs will crash when it tries to create the next one. At >>>>> this point, you can go get your stack trace in /tmp/emacs-strace. >>>> >>>> This is very likely due to a long standing bug in Gtk+, see: >>>> http://bugzilla.gnome.org/show_bug.cgi?id=85715 >>>> >>>> Please compile emacs using >>>> >>>> ./configure --with-x-toolkit=lucid >>>> >>>> and try to reproduce the problem you are seeing with that emacs. >>>> >>> >>> I tried that; same problem. Would you like a stack trace? >> >> Sure, for the lucid version please. >> But please get the stack trace using by attaching gdb to emacs. >> See etc/DEBUG for more info. >> >> Also, please start emacs using "emacs -Q" >> >> >> > > I tried to figure out gdb, but I couldn't figure it out in the time I > had. But I have been running all my tests with -Q. I'll try again when > I have more time to mess around with it. cd emacs/src gdb ./emacs run -Q -nw -f server-start do whatever you do to to crash emacs, and when that happens type xbacktrace in gdb Again, this is only useful for the version compiled using ./configure --with-x-toolkit=lucid