wrapper assert failure: wrapper: ../../src/xcb_io.c:385: _XAllocID: Assertion `ret != inval_id' failed.

[Mark M.]

Binary package hint: xfce4-panel

Crash on login immediately after boot.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: xfce4-panel 4.8.1-1
ProcVersionSignature: Ubuntu 2.6.38-2.29-generic 2.6.38-rc3
Uname: Linux 2.6.38-2-generic i686
Architecture: i386
AssertionMessage: wrapper: ../../src/xcb_io.c:385: _XAllocID: Assertion `ret != inval_id' failed.
Date: Thu Feb 10 08:51:44 2011
ExecutablePath: /usr/lib/xfce4/panel/wrapper
InstallationMedia: Xubuntu 11.04 "Natty Narwhal" - Alpha i386 (20101130.2)
ProcCmdline: /usr/lib/xfce4/panel/wrapper /usr/lib/xfce4/panel/plugins/libxfsm-logout-plugin.so 9 23068740 xfsm-logout-plugin Session\ Menu Shows\ a\ menu\ with\ options\ to\ lock\ the\ screen,\ suspend,\ shutdown,\ or\ log\ out
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.utf8
 LC_MESSAGES=en_US.utf8
 SHELL=/bin/bash
Signal: 6
SourcePackage: xfce4-panel
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/libc.so.6
 abort () from /lib/libc.so.6
 __assert_fail () from /lib/libc.so.6
 _XAllocID () from /usr/lib/libX11.so.6
Title: wrapper assert failure: wrapper: ../../src/xcb_io.c:385: _XAllocID: Assertion `ret != inval_id' failed.
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 __kernel_vsyscall ()
 *__GI_raise (sig=6)
 *__GI_abort () at abort.c:59