gnome-screensaver crashed with SIGSEGV in g_main_context_dispatch()

[Nicolas Produit]

probably same then bugs:
#342277
#613227
#615620

I report it as new because written invalid elsewhere and it because this time it happens in 11.10 oneiric

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: gnome-screensaver 3.1.91-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.17-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
ApportVersion: 1.22.1-0ubuntu2
Architecture: i386
Date: Wed Sep 14 13:29:00 2011
ExecutablePath: /usr/bin/gnome-screensaver
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
ProcCmdline: /usr/bin/gnome-screensaver --no-daemon
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x567ec3: mov 0xc(%eax),%eax
 PC (0x00567ec3) ok
 source "0xc(%eax)" (0xaaaaaab6) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-screensaver
StacktraceTop:
 ?? () from /usr/lib/libgnome-desktop-3.so.2
 ?? () from /usr/lib/libgnome-desktop-3.so.2
 g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: gnome-screensaver crashed with SIGSEGV in g_main_context_dispatch()
UpgradeStatus: Upgraded to oneiric on 2011-09-14 (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 #849600, 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.