gnome-control-center crashed with SIGSEGV in XQueryExtension()

[Christian Clifford]

gnome-control-center occasionally crashes with this error: SIGSEGV. there was no XQueryExtention()-related control center bug report, so i created a new one.

control center version:

 Installed: 1:3.4.2-0ubuntu16
  Candidate: 1:3.4.2-0ubuntu16
  Version table:
 *** 1:3.4.2-0ubuntu16 0
        500 http://us.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
        100 /var/lib/dpkg/status

Ubuntu 12.10 beta 2

what happened: gnome-control-center segfaulted

what should have happened: gnome-control-center should not have segfaulted

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: gnome-control-center 1:3.4.2-0ubuntu16
ProcVersionSignature: Ubuntu 3.5.0-16.24-generic 3.5.4
Uname: Linux 3.5.0-16-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.5.3-0ubuntu1
Architecture: amd64
Date: Fri Sep 28 17:37:15 2012
ExecutablePath: /usr/bin/gnome-control-center
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
ProcCmdline: gnome-control-center --overview
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fc47a3ddf48 <XQueryExtension+40>: mov 0x968(%rdi),%rax
 PC (0x7fc47a3ddf48) ok
 source "0x968(%rdi)" (0x7be385d8) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-control-center
StacktraceTop:
 XQueryExtension () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 XInitExtension () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 XextAddDisplay () from /usr/lib/x86_64-linux-gnu/libXext.so.6
 glXSwapBuffers () from /usr/lib/fglrx/libGL.so.1
 _rtld_global () from /lib64/ld-linux-x86-64.so.2
Title: gnome-control-center crashed with SIGSEGV in XQueryExtension()
UpgradeStatus: Upgraded to quantal on 2012-09-29 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
usr_lib_gnome-control-center:
 activity-log-manager-control-center 0.9.4-0ubuntu4
 deja-dup 24.0-0ubuntu1
 gnome-control-center-signon 0.0.17-0ubuntu1
 indicator-datetime 12.10.1-0ubuntu1