unity-greeter crashed with SIGSEGV in g_cancellable_is_cancelled()

[userdce]

Rebooted laptop and it happened

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-greeter 0.0.8-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
NonfreeKernelModules: wl fglrx
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Sat Sep 17 15:03:14 2011
ExecutablePath: /usr/sbin/unity-greeter
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
ProcCmdline: unity-greeter
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/false
SegvAnalysis:
 Segfault happened at: 0x7f42ad7b3bbb <g_cancellable_is_cancelled+11>: testb $0x1,(%rax)
 PC (0x7f42ad7b3bbb) ok
 source "$0x1" ok
 destination "(%rax)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity-greeter
StacktraceTop:
 g_cancellable_is_cancelled () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: unity-greeter crashed with SIGSEGV in g_cancellable_is_cancelled()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #851088, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.