bug#5802: emacsclient -c crashes emacs --daemon intermittently; have strace

[Ryan Thompson]

On Tue, Mar 30, 2010 at 8:46 AM, Dan Nicolaescu <dann@gnu.org> wrote:
> Ryan Thompson <rct@thompsonclan.org> 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?