Description of problem: display - change resolution - from 1080p - > 2160p Version-Release number of selected component: xfce4-panel-4.12.0-3.fc22 Additional info: reporter: libreport-2.6.3 backtrace_rating: 4 cmdline: xfce4-panel crash_function: g_type_check_instance_cast executable: /usr/bin/xfce4-panel global_pid: 3153 kernel: 4.0.4-301.fc22.x86_64 runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (8 frames) #0 g_type_check_instance_cast at gtype.c:4060 #1 pager_plugin_screen_layout_changed at pager.c:322 #5 g_signal_emit_by_name at gsignal.c:3401 #6 process_monitors_change at gdkscreen-x11.c:1163 #7 _gdk_x11_screen_size_changed at gdkscreen-x11.c:1198 #8 gdk_event_translate at gdkevents-x11.c:2174 #9 _gdk_events_queue at gdkevents-x11.c:2358 #15 gtk_main at gtkmain.c:1268
Created attachment 1098765 [details] File: backtrace
Created attachment 1098766 [details] File: cgroup
Created attachment 1098767 [details] File: core_backtrace
Created attachment 1098768 [details] File: dso_list
Created attachment 1098769 [details] File: environ
Created attachment 1098770 [details] File: limits
Created attachment 1098771 [details] File: maps
Created attachment 1098772 [details] File: mountinfo
Created attachment 1098773 [details] File: open_fds
Created attachment 1098774 [details] File: proc_pid_status
Created attachment 1098775 [details] File: var_log_messages
Do you use more than one monitor?
Fedora 22 changed to end-of-life (EOL) status on 2016-07-19. Fedora 22 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.