nautilus assert failure: nautilus: ../../src/xcb_io.c:470: _XAllocID: Assertion `ret != inval_id' failed.

[Andy Rogers]

happened upon login to gnome-shell

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: nautilus 1:3.1.4-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-8.10-generic 3.0.1
Uname: Linux 3.0.0-8-generic i686
NonfreeKernelModules: wl
Architecture: i386
AssertionMessage: nautilus: ../../src/xcb_io.c:470: _XAllocID: Assertion `ret != inval_id' failed.
Date: Mon Aug 8 18:29:53 2011
ExecutablePath: /usr/bin/nautilus
ProcCmdline: nautilus -n
ProcCwd: /home/administrator
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: nautilus
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/i386-linux-gnu/libc.so.6
 abort () from /lib/i386-linux-gnu/libc.so.6
 __assert_fail () from /lib/i386-linux-gnu/libc.so.6
 _XAllocID () from /usr/lib/i386-linux-gnu/libX11.so.6
Title: nautilus assert failure: nautilus: ../../src/xcb_io.c:470: _XAllocID: Assertion `ret != inval_id' failed.
UpgradeStatus: Upgraded to oneiric on 2011-07-30 (9 days ago)
UserGroups: adm admin cdrom dialout disk fuse lpadmin plugdev sambashare