Version-Release number of selected component: gnome-shell-3.13.90-1.fc22 Additional info: reporter: libreport-2.2.3 backtrace_rating: 4 cmdline: /usr/bin/gnome-shell crash_function: meta_workspace_list_windows executable: /usr/bin/gnome-shell kernel: 3.17.0-0.rc3.git0.1.fc22.x86_64 runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (10 frames) #0 meta_workspace_list_windows at /lib64/libmutter.so.0 #1 implement_showing at /lib64/libmutter.so.0 #2 meta_window_focus at /lib64/libmutter.so.0 #3 meta_window_activate_full at /lib64/libmutter.so.0 #4 meta_window_x11_client_message at /lib64/libmutter.so.0 #5 handle_other_xevent at /lib64/libmutter.so.0 #6 xevent_filter at /lib64/libmutter.so.0 #7 gdk_event_apply_filters at /lib64/libgdk-3.so.0 #8 _gdk_x11_display_queue_events at /lib64/libgdk-3.so.0 #9 gdk_display_get_event at /lib64/libgdk-3.so.0
Created attachment 933843 [details] File: backtrace
Created attachment 933844 [details] File: cgroup
Created attachment 933845 [details] File: core_backtrace
Created attachment 933846 [details] File: dso_list
Created attachment 933847 [details] File: environ
Created attachment 933848 [details] File: exploitable
Created attachment 933849 [details] File: limits
Created attachment 933850 [details] File: maps
Created attachment 933851 [details] File: open_fds
Created attachment 933852 [details] File: proc_pid_status
Created attachment 933853 [details] File: var_log_messages
Mostly caused by event from evolution calendar in my case.
I'm also seeing this when Evolution pops up a meeting reminder.
Fixed upstream by https://git.gnome.org/browse/mutter/commit/?id=df90545258a5aa46f3a39f6334c6459b900ce8b2, which will make it to Fedora with the 3.14.1 release early next week