run assert failure: python: ../../src/xcb_io.c:242: process_responses: Assertion `(((long) (dpy->last_request_read) - (long) (dpy->request)) <= 0)' failed.

[semaj]

Binary package hint: checkbox

Upgraded from ubuntu 9.04 to 9.10 alpha 6 and received this error

ProblemType: Crash
Architecture: i386
AssertionMessage: python: ../../src/xcb_io.c:242: process_responses: Assertion `(((long) (dpy->last_request_read) - (long) (dpy->request)) <= 0)' failed.
CheckboxSubmission: 842bb65b774e8598eb82b52c3db77cfd
CheckboxSystem: fbabb5090011be61581754a943e235e1
Date: Sat Sep 19 14:31:30 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/share/checkbox/run
InterpreterPath: /usr/bin/python2.6
Package: checkbox 0.8.3
PackageArchitecture: all
ProcCmdline: python /usr/share/checkbox/run /usr/share/checkbox/configs/checkbox-gtk.ini
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-10.34-generic
Signal: 6
SourcePackage: checkbox
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
 ?? () from /usr/lib/libX11.so.6
Title: run assert failure: python: ../../src/xcb_io.c:242: process_responses: Assertion `(((long) (dpy->last_request_read) - (long) (dpy->request)) <= 0)' failed.
Uname: Linux 2.6.31-10-generic i686
UserGroups: adm admin audio cdrom dialout dip libvirtd lpadmin netdev plugdev sambashare video

[Apport retracing service (apport)]

StacktraceTop:__kernel_vsyscall ()
*__GI_raise (sig=6)
*__GI_abort () at abort.c:92
*__GI___assert_fail (
process_responses (dpy=0xa4d6c00,