From https://github.com/mate-desktop/marco/issues/228



Here a litle video which describes the issue:
https://dl.dropboxusercontent.com/u/49862637/Mate-desktop/Bugs/marco-crash.ogv
Steps to reproduce:
1. enable compositor
2. start a new mate-session
3. open min 2 windows
4. move one window
5 boom, marco crashed

Note, this doesn't happens with gtk3 build and if compositor is off in gtk2
build.
It's reported in all fedora versions, f21/f22/f23
Downstream report:
https://bugzilla.redhat.com/show_bug.cgi?id=1258131 (other reports are marked
as duplicates)
Stacktrace fom today:
https://dl.dropboxusercontent.com/u/49862637/Mate-desktop/Bugs/marco-backtrace

Truncated backtrace:
Thread no. 1 (10 frames)
 #4 split_edge at core/boxes.c:1569
 #5 meta_rectangle_remove_intersections_with_boxes_from_edges at
core/boxes.c:1691
 #6 compute_resistance_and_snapping_edges at core/edge-resistance.c:1089
 #7 apply_edge_resistance_to_each_side at core/edge-resistance.c:556
 #8 meta_window_edge_resistance_for_move at core/edge-resistance.c:1172
 #9 update_move at core/window.c:7182
 #10 meta_window_handle_mouse_grab_op_event at core/window.c:7654
 #11 event_callback at core/display.c:2084
 #12 filter_func at ui/ui.c:289
 #13 gdk_event_apply_filters at gdkevents-x11.c:371