[Bug 1042843] Re: update-notifier crashed with SIGSEGV in g_object_ref()

[Apport retracing service]

*** This bug is a duplicate of bug 1032953 ***
    https://bugs.launchpad.net/bugs/1032953

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 #1032953, 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.

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** This bug has been marked a duplicate of private bug 1032953

** Visibility changed to: Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1042843

Title:
  update-notifier crashed with SIGSEGV in g_object_ref()

Status in “update-notifier” package in Ubuntu:
  New

Bug description:
  update-notifier is unstable and crashes after unplugging (or maybe
  even plugging) canon camera.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: update-notifier 0.121ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-11.11-generic 3.5.2
  Uname: Linux 3.5.0-11-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.5.1-0ubuntu2
  Architecture: amd64
  Date: Tue Aug 28 20:19:26 2012
  ExecutablePath: /usr/bin/update-notifier
  ExecutableTimestamp: 1345906501
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120201.1)
  ProcCmdline: update-notifier
  ProcCwd: /home/lockal
  SegvAnalysis:
   Segfault happened at: 0x7fe16a9bbd91 <g_object_ref+17>:	cmpq   $0x50,(%rax)
   PC (0x7fe16a9bbd91) ok
   source "$0x50" ok
   destination "(%rax)" (0x0000008b) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: update-notifier
  StacktraceTop:
   g_object_ref (_object=0x7fe15c011e90) at /build/buildd/glib2.0-2.33.10/./gobject/gobject.c:2883
   g_list_foreach (list=<optimized out>, func=0x7fe16a9bbd80 <g_object_ref>, user_data=0x0) at /build/buildd/glib2.0-2.33.10/./glib/glist.c:942
   ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so
   get_mounts (volume_monitor=<optimized out>) at /build/buildd/glib2.0-2.33.10/./gio/gunionvolumemonitor.c:119
   ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so
  Title: update-notifier crashed with SIGSEGV in g_object_ref()
  UpgradeStatus: Upgraded to quantal on 2012-07-22 (37 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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