gnome-terminal crashed with signal 5 in _XError()

[Hew]

Binary package hint: gnome-terminal

One of many crashes occurring as I've started testing UNE beta live image.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: gnome-terminal 2.31.90-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-19.28-generic 2.6.35.3
Uname: Linux 2.6.35-19-generic i686
Architecture: i386
Date: Wed Sep 1 11:19:35 2010
ExecutablePath: /usr/bin/gnome-terminal
LiveMediaBuild: Ubuntu-Netbook 10.10 "Maverick Meerkat" - Beta i386 (20100901)
ProcCmdline: gnome-terminal
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 5
SourcePackage: gnome-terminal
StacktraceTop:
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 _XError () from /usr/lib/libX11.so.6
 ?? () from /usr/lib/libX11.so.6
 _XReply () from /usr/lib/libX11.so.6
 XGetWindowProperty () from /usr/lib/libX11.so.6
Title: gnome-terminal crashed with signal 5 in _XError()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 g_log_remove_handler () from /lib/libglib-2.0.so.0
 ?? () from /lib/libglib-2.0.so.0
 IA__gdk_error_trap_push ()
 _XError (dpy=0x86525b8, rep=0xbf82d0dc)
 process_responses (dpy=0x86525b8,