Comment 0 for bug 930004

Occurred when updating.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.4
ProcVersionSignature: Ubuntu 3.2.0-15.24-generic 3.2.5
Uname: Linux 3.2.0-15-generic x86_64
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
AssertionMessage: python: ../../src/xcb_io.c:273: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
Date: Thu Feb 9 23:36:59 2012
DuplicateOf: https://bugs.launchpad.net/bugs/926238
ExecutablePath: /usr/bin/update-manager
GsettingsChanges:
 com.ubuntu.update-manager first-run false
 com.ubuntu.update-manager launch-time 1327193820
 com.ubuntu.update-manager show-details true
 com.ubuntu.update-manager window-height 600
 com.ubuntu.update-manager window-width 600
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/update-manager --dist-upgrade
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: update-manager
StacktraceTop:
 __assert_fail_base (fmt=<optimized out>, assertion=0x7f20d7ceead8 "!xcb_xlib_threads_sequence_lost", file=0x7f20d7ceed92 "../../src/xcb_io.c", line=<optimized out>, function=<optimized out>) at assert.c:94
 __GI___assert_fail (assertion=0x7f20d7ceead8 "!xcb_xlib_threads_sequence_lost", file=0x7f20d7ceed92 "../../src/xcb_io.c", line=273, function=0x7f20d7ceeeb8 "poll_for_event") at assert.c:103
 ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
Title: update-manager assert failure: python: ../../src/xcb_io.c:273: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
UpgradeStatus: Upgraded to precise on 2012-02-10 (0 days ago)
UserGroups: