after logout or reboot but not during initial loggon gnome-panel assert failure: gnome-panel: ../../src/xcb_io.c:385: _XAllocID: Assertion `ret != inval_id' failed.

[perezomail]

Binary package hint: gnome-panel

after initial loggon no issue but if i logout or reboot for any reason

im useing 10.04 lubuntu but with lxde and openbox removed and gnome included this is the alfa 2

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: gnome-panel 1:2.30.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic i686
Architecture: i386
AssertionMessage: gnome-panel: ../../src/xcb_io.c:385: _XAllocID: Assertion `ret != inval_id' failed.
CrashCounter: 1
Date: Sun Apr 18 18:42:54 2010
ExecutablePath: /usr/bin/gnome-panel
InstallationMedia: Lubuntu 10.04 "Lucid Lynx" - Beta 2 i386 (20100408)
ProcCmdline: gnome-panel
ProcEnviron:
 LANG=en_US.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: gnome-panel assert failure: gnome-panel: ../../src/xcb_io.c:385: _XAllocID: Assertion `ret != inval_id' failed.
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare tape video
XsessionErrors: (polkit-gnome-authentication-agent-1:2866): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #566061, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.