Bug#648052: metacity segfaults after todays update to wheezy

[S. G.]

On 13.11.2011, 21:54 +0100 Michael Biebl wrote:
> the compiz autostart file looks suspicious. You can't really run compiz
> together with gnome-shell, as it has its builtin compositor.

Good to know :-) Are there any plans regarding coexistence of
gnome-shell and compiz other then using the fallback mode?

>  Could you try moving that autostart file away and test again.

I did so. Now a Gnome default session starts up and works flawlessly.

But ...

A Gnome fall-back session crashes when trying to open the first window.

*** /var/log/messages
Nov 14 11:15:28 t500sg kernel: [ 2006.351576] metacity[6877]: segfault at 14bf84d0 ip 0000000000458395 sp 00007fff425781e8 error 4 in metacity[400000+88000]

And this is the corresponding backtrace:

#0  0x0000000000458395 in ?? ()
#1  0x000000000045e3bb in ?? ()
#2  0x000000000045f3fc in ?? ()
#3  0x000000000044a5f9 in ?? ()
#4  0x000000000044c690 in ?? ()
#5  0x00007f3bd21c01a8 in _gtk_marshal_BOOLEAN__BOXED (closure=0x1088160, return_value=0x7fff6d5999e0, n_param_values=<optimized out>, param_values=0x111c430, invocation_hint=<optimized out>, 
    marshal_data=<optimized out>) at /build/buildd-gtk+2.0_2.24.7-1-amd64-huURlY/gtk+2.0-2.24.7/gtk/gtkmarshalers.c:86
#6  0x00007f3bd102e03e in g_closure_invoke (closure=0x1088160, return_value=0x7fff6d5999e0, n_param_values=2, param_values=0x111c430, invocation_hint=0x7fff6d5999a0)
    at /build/buildd-glib2.0_2.28.8-1-amd64-O6EeLn/glib2.0-2.28.8/./gobject/gclosure.c:767
#7  0x00007f3bd103eced in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x110c000, emission_return=0x7fff6d599b40, instance_and_params=0x111c430)
    at /build/buildd-glib2.0_2.28.8-1-amd64-O6EeLn/glib2.0-2.28.8/./gobject/gsignal.c:3290
#8  0x00007f3bd104844b in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>)
    at /build/buildd-glib2.0_2.28.8-1-amd64-O6EeLn/glib2.0-2.28.8/./gobject/gsignal.c:2993
#9  0x00007f3bd1048832 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd-glib2.0_2.28.8-1-amd64-O6EeLn/glib2.0-2.28.8/./gobject/gsignal.c:3040
#10 0x00007f3bd22d9051 in gtk_widget_event_internal (widget=0x110c000, event=0x7fff6d599d20) at /build/buildd-gtk+2.0_2.24.7-1-amd64-huURlY/gtk+2.0-2.24.7/gtk/gtkwidget.c:4984
#11 0x00007f3bd21be987 in IA__gtk_main_do_event (event=0x7fff6d599d20) at /build/buildd-gtk+2.0_2.24.7-1-amd64-huURlY/gtk+2.0-2.24.7/gtk/gtkmain.c:1620
#12 0x00007f3bd1e11b0c in _gdk_window_process_updates_recurse (window=0x1062480, expose_region=0x111c490) at /build/buildd-gtk+2.0_2.24.7-1-amd64-huURlY/gtk+2.0-2.24.7/gdk/gdkwindow.c:5429
#13 0x00007f3bd1e0cad3 in gdk_window_process_updates_internal (window=0x1062480) at /build/buildd-gtk+2.0_2.24.7-1-amd64-huURlY/gtk+2.0-2.24.7/gdk/gdkwindow.c:5588
#14 0x00007f3bd1e0ec71 in IA__gdk_window_process_all_updates () at /build/buildd-gtk+2.0_2.24.7-1-amd64-huURlY/gtk+2.0-2.24.7/gdk/gdkwindow.c:5696
#15 0x00007f3bd1e0ecd9 in gdk_window_update_idle (data=<optimized out>) at /build/buildd-gtk+2.0_2.24.7-1-amd64-huURlY/gtk+2.0-2.24.7/gdk/gdkwindow.c:5322
#16 0x00007f3bd1dec286 in gdk_threads_dispatch (data=0x111a740) at /build/buildd-gtk+2.0_2.24.7-1-amd64-huURlY/gtk+2.0-2.24.7/gdk/gdk.c:512
#17 0x00007f3bcfd35edd in g_main_dispatch (context=0x1037fe0) at /build/buildd-glib2.0_2.28.8-1-amd64-O6EeLn/glib2.0-2.28.8/./glib/gmain.c:2441
#18 g_main_context_dispatch (context=0x1037fe0) at /build/buildd-glib2.0_2.28.8-1-amd64-O6EeLn/glib2.0-2.28.8/./glib/gmain.c:3014
#19 0x00007f3bcfd366b8 in g_main_context_iterate (context=0x1037fe0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd-glib2.0_2.28.8-1-amd64-O6EeLn/glib2.0-2.28.8/./glib/gmain.c:3092
#20 0x00007f3bcfd36cfa in g_main_loop_run (loop=0x1038420) at /build/buildd-glib2.0_2.28.8-1-amd64-O6EeLn/glib2.0-2.28.8/./glib/gmain.c:3300
#21 0x0000000000411166 in ?? ()
#22 0x00007f3bce76fead in __libc_start_main (main=<optimized out>, argc=<optimized out>, ubp_av=<optimized out>, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6d59a608)
    at libc-start.c:228
#23 0x0000000000411555 in ?? ()
#24 0x00007fff6d59a608 in ?? ()
#25 0x000000000000001c in ?? ()
#26 0x0000000000000001 in ?? ()
#27 0x00007fff6d59bc20 in ?? ()
#28 0x0000000000000000 in ?? ()

Cheers,
Sven