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 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1521778/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp