wnck-applet assert failure: wnck-applet: ../../src/xcb_io.c :385 : _XAllocID: L'assertion « ret != inval_id » a échoué.

[YannUbuntu]

Binary package hint: gnome-panel

crash 2 minutes after session start

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: gnome-panel 1:2.30.2-0ubuntu0.2
ProcVersionSignature: Ubuntu 2.6.32-24.43-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
Architecture: i386
AssertionMessage: wnck-applet: ../../src/xcb_io.c :385 : _XAllocID: L'assertion « ret != inval_id » a échoué.
CheckboxSubmission: 6c7c2d6c17ccce2d1f6d40507250b2d7
CheckboxSystem: bd9978d0ff03d4f55482fc24a6cdac35
Date: Fri Sep 24 00:27:11 2010
ExecutablePath: /usr/lib/gnome-panel/wnck-applet
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100328)
ProcCmdline: /usr/lib/gnome-panel/wnck-applet --oaf-activate-iid=OAFIID:GNOME_Wncklet_Factory --oaf-ior-fd=18
ProcEnviron:
 LANG=fr_FR.utf8
 SHELL=/bin/bash
Signal: 6
SourcePackage: gnome-panel
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/tls/i686/cmov/libc.so.6
 abort () from /lib/tls/i686/cmov/libc.so.6
 __assert_fail () from /lib/tls/i686/cmov/libc.so.6
 _XAllocID () from /usr/lib/libX11.so.6
Title: wnck-applet assert failure: wnck-applet: ../../src/xcb_io.c :385 : _XAllocID: L'assertion « ret != inval_id » a échoué.
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare src
XsessionErrors: (polkit-gnome-authentication-agent-1:1405): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

[Apport retracing service (apport)]

StacktraceTop:
 __kernel_vsyscall ()
 *__GI_raise (sig=6)
 *__GI_abort () at abort.c:92
 *__GI___assert_fail (assertion=0xbe02c5 "ret != inval_id",
 _XAllocID (dpy=0x86fdd60) at ../../src/xcb_io.c:385