The bug hasn't seen any activity in years and there has been no recent
similar reports, the code also changed quite a lot since and it's likely
the issue doesn't exist anymore. Closing, feel free to open a new report
if you still get problems in recent Ubuntu versions

** Changed in: gnome-control-center (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1521778

Title:
  gnome-control-center.real crashed with SIGSEGV in
  g_type_check_instance_cast()

Status in gnome-control-center package in Ubuntu:
  Invalid

Bug description:
  crashed when opening the mouse panel

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: gnome-control-center 1:3.18.2-1ubuntu3
  ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
  Uname: Linux 4.2.0-19-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.2-0ubuntu8
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: GNOME
  Date: Wed Dec  2 09:02:34 2015
  ExecutablePath: /usr/bin/gnome-control-center.real
  ExecutableTimestamp: 1448432673
  InstallationDate: Installed on 2012-09-23 (1164 days ago)
  InstallationMedia: Ubuntu GNOME Remix 12.10 "Quantal Quetzal" - Alpha 
amd64(20120922)
  ProcCmdline: /usr/bin/gnome-control-center.real --overview
  ProcCwd: /home/darkness
  SegvAnalysis:
   Segfault happened at: 0x7f6b3a03f920 <g_type_check_instance_cast+32>:        
mov    (%r10),%rbp
   PC (0x7f6b3a03f920) ok
   source "(%r10)" (0x00000005) not located in a known VMA region (needed 
readable region)!
   destination "%rbp" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gnome-control-center
  StacktraceTop:
   g_type_check_instance_cast (type_instance=0x18082b0, iface_type=80) at 
/build/glib2.0-ZjeN9o/glib2.0-2.47.1/./gobject/gtype.c:4065
   () at /usr/lib/x86_64-linux-gnu/libupower-glib.so.3
   <emit signal notify:g-name-owner on instance 0x1bd82b0 [UpClientGlueProxy]> 
(instance=instance@entry=0x1bd82b0, signal_id=<optimised out>, 
detail=<optimised out>) at 
/build/glib2.0-ZjeN9o/glib2.0-2.47.1/./gobject/gsignal.c:3439
   g_object_dispatch_properties_changed (object=0x1bd82b0 [UpClientGlueProxy], 
n_pspecs=<optimised out>, pspecs=<optimised out>) at 
/build/glib2.0-ZjeN9o/glib2.0-2.47.1/./gobject/gobject.c:1061
   g_object_notify (pspec=0x113dde0 [GParamString], object=0x1bd82b0 
[UpClientGlueProxy]) at 
/build/glib2.0-ZjeN9o/glib2.0-2.47.1/./gobject/gobject.c:1154
  Title: gnome-control-center.real crashed with SIGSEGV in 
g_type_check_instance_cast()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm autopilot cdrom dip libvirtd lpadmin plugdev sambashare 
sbuild sudo systemd-journal www-data

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