** Description changed:

- The Ubuntu Error Tracker has been receiving reports about a problem regarding 
gnome-control-center.  This problem was most recently seen with package version 
1:3.26.1-0ubuntu4, the problem page at 
https://errors.ubuntu.com/problem/fb911c401b7ebdc71c10484ecc74c37345e34f97 
contains more details, including versions of packages affected, stacktrace or 
traceback, and individual crash reports.
+ [ Impact ]
+ * This is a popular crash when using the Dock settings in gnome control 
center. The crash is harmless apart from closing g-c-c as the settings are 
applied, but triggers apport.
+ 
+ [ Test case ]
+ * This is hard to reproduce, as it means the stracktrace seems to imply that 
you go to the Dock panel, then another one, and trigger one of the dock 
callback signals like pluging/unplugging a monitor.
+ 
+ [ Regression potential ]
+ * We change one signal connection by another one which automatically 
disconnect. So, the callback may not work at all (which it doesn't, tested), or 
may continue to crash (unlikely, it's a standard glib function).
+ 
+ 
+ The Ubuntu Error Tracker has been receiving reports about a problem 
+ regarding gnome-control-center.  This problem was most recently seen with 
package version 1:3.26.1-0ubuntu4, the problem page at 
https://errors.ubuntu.com/problem/fb911c401b7ebdc71c10484ecc74c37345e34f97 
contains more details, including versions of packages affected, stacktrace or 
traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software 
developer, you can request it at http://forms.canonical.com/reports/.

-- 
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1725219

Title:
  /usr/bin/gnome-control-
  
center:11:g_type_check_instance_cast:ext_ubuntu_dock_placement_changed_callback:g_closure_invoke:signal_emit_unlocked_R:g_signal_emit_valist

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