gtk-logout-helper crashed with SIGSEGV in g_variant_unref()

[Oweoqi]

occurred while trying to shut down the computer. I clicked shut down

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: indicator-session 0.3.6-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Wed Oct 5 06:10:53 2011
ExecutablePath: /usr/lib/indicator-session/gtk-logout-helper
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcCmdline: /usr/lib/indicator-session/gtk-logout-helper --shutdown
SegvAnalysis:
 Segfault happened at: 0x7feb8a64abd9 <g_variant_unref+9>: lock xadd %eax,0x24(%rdi)
 PC (0x7feb8a64abd9) ok
 source "%eax" ok
 destination "0x24(%rdi)" (0x00000024) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: indicator-session
StacktraceTop:
 g_variant_unref () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_settings_get_boolean () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 ?? ()
 __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
 ?? ()
Title: gtk-logout-helper crashed with SIGSEGV in g_variant_unref()
UpgradeStatus: Upgraded to oneiric on 2011-10-04 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[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 #864085, 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.