update-manager assert failure: python2.7: ../../src/xcb_io.c:385: _XAllocID: Assertion `ret != inval_id' failed.

Binary package hint: update-manager

Using update manager 2.6.38

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: update-manager 1:0.145.10
ProcVersionSignature: Ubuntu 2.6.38-1.28-generic 2.6.38-rc2
Uname: Linux 2.6.38-1-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
AssertionMessage: python2.7: ../../src/xcb_io.c:385: _XAllocID: Assertion `ret != inval_id' failed.
CrashCounter: 1
Date: Sat Jan 29 19:30:16 2011
ExecutablePath: /usr/bin/update-manager
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110127)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python2.7 /usr/bin/update-manager
ProcEnviron:
 LANGUAGE=en_IE:en
 LANG=en_IE.UTF-8
 LC_MESSAGES=en_IE.utf8
 SHELL=/bin/bash
Signal: 6
SourcePackage: update-manager
StacktraceTop:
 __kernel_vsyscall ()
 __libc_allocate_rtsig_private () from /lib/libc.so.6
 ?? () from /lib/libc.so.6
 ?? () from /lib/libc.so.6
 ?? () from /lib/libc.so.6
Title: update-manager assert failure: python2.7: ../../src/xcb_io.c:385: _XAllocID: Assertion `ret != inval_id' failed.
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare