lightdm crashed with SIGSEGV in g_main_context_dispatch()

[Nizar Kerkeni]

crashed after logging to unity session.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: lightdm 0.4.3-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-6.7-generic 3.0.0-rc7
Uname: Linux 3.0.0-6-generic x86_64
Architecture: amd64
Date: Sat Jul 16 01:20:54 2011
ExecutablePath: /usr/bin/lightdm
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcCmdline: lightdm
ProcEnviron: PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x406b70: mov 0x2c(%rax),%r8d
 PC (0x00406b70) ok
 source "0x2c(%rax)" (0xaaaaaaaaaaaaaad6) not located in a known VMA region (needed readable region)!
 destination "%r8d" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: lightdm
StacktraceTop:
 ?? ()
 ?? ()
 ?? () from /lib/x86_64-linux-gnu/libglib-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
Title: lightdm crashed with SIGSEGV in g_main_context_dispatch()
UpgradeStatus: Upgraded to oneiric on 2011-07-08 (14 days ago)
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 #798716, 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.