at the startup the gnome panel is blocked.

[lore235]

Binary package hint: gnome-panel

at the startup the gnome panel is all blocked. you can't do anything on it. the only way to unblock the panel is to connect via ssh with another machine and kill the "gnome-panel" application.

ProblemType: Crash
Architecture: i386
AssertionMessage: gnome-panel: ../../src/xcb_io.c:378: _XAllocID: Assertion `ret != inval_id' failed.
Date: Mon Nov 2 11:53:30 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/gnome-panel
Package: gnome-panel 1:2.28.0-0ubuntu6
ProcCmdline: gnome-panel
ProcEnviron:
 LANG=it_IT.UTF-8
 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:378: _XAllocID: Assertion `ret != inval_id' failed.
Uname: Linux 2.6.30-020630-generic i686
UserGroups: adm admin cdrom dialout lpadmin netdev plugdev sambashare vboxusers
XsessionErrors:
 (gnome-settings-daemon:3648): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (nautilus:3674): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (polkit-gnome-authentication-agent-1:3702): 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 #420280, 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.