xfce4-session crashed with SIGSEGV in g_slice_alloc()

[Václav Haisman]

After update from 12.10 to 13.04 beta.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: xfce4-session 4.10.0-2ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
Uname: Linux 3.8.0-17-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
CrashCounter: 1
Date: Fri Apr 12 07:28:27 2013
ExecutablePath: /usr/bin/xfce4-session
InstallationDate: Installed on 2011-11-13 (515 days ago)
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MarkForUpload: True
ProcCmdline: xfce4-session
SegvAnalysis:
 Segfault happened at: 0x7fc180e55f7f <g_slice_alloc+223>: mov (%rbx),%rax
 PC (0x7fc180e55f7f) ok
 source "(%rbx)" (0xffffffff00000000) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: xfce4-session
StacktraceTop:
 g_slice_alloc () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_array_sized_new () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
Title: xfce4-session crashed with SIGSEGV in g_slice_alloc()
UpgradeStatus: Upgraded to raring on 2013-04-07 (4 days ago)
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lp lpadmin netdev plugdev sambashare scanner tape vboxusers video

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.