mission-control-5 crashed with SIGSEGV in free()

[typo]

I started my computer and opened the webbrowser and then I regonized, that telepathy-mission-control-5 crashed.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: telepathy-mission-control-5 1:5.12.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu5
Architecture: amd64
CrashCounter: 1
Date: Mon Apr 23 15:55:52 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/lib/telepathy/mission-control-5
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=15f81d13-b83c-4192-aa7d-865c6e24cc0e ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f551aacd04c <free+60>: mov (%rax),%rdi
 PC (0x7f551aacd04c) ok
 source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: telepathy-mission-control-5
StacktraceTop:
 free () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_hash_table_remove_all () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? ()
 ?? ()
Title: mission-control-5 crashed with SIGSEGV in free()
UpgradeStatus: Upgraded to precise on 2012-04-17 (5 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 this software better. This particular crash has already been reported and is a duplicate of bug #979827, 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.