Re: GTK stack-busting loop

[Jan Djärv]

2010-10-31 05:00, Chong Yidong skrev:
> On the trunk, with GTK, the following recipe causes an infloop:
>
> 1. emacs -Q -nw -f server-start
> 2. emacsclient -c
> 3. In another terminal, run `xkill' and click on the GTK toolbar
>
> The backtrace is at the end of this message.  It can be obtained by
> attaching to the looping Emacs process in another gdb session.
> Eventually, the loop overflows the stack.
>
> This bug does not occur on the emacs-23 branch, nor if you click `xkill'
> on other parts of the graphical frame.  In those cases, Emacs aborts as
> it now ought to.

I get the same behaviour in Emacs-23 and trunk, i.e.:
Connection lost to X server `:0.0'
When compiled with GTK, Emacs cannot recover from X disconnects.
This is a GTK bug: https://bugzilla.gnome.org/show_bug.cgi?id=85715
For details, see etc/PROBLEMS.

(emacs:8582): GLib-WARNING **: g_main_context_prepare() called recursively 
from within a source's check() or prepare() member.

(emacs:8582): GLib-WARNING **: g_main_context_check() called recursively from 
within a source's check() or prepare() member.
Fatal error (6)Avbruten (SIGABRT)

        Jan D.