StacktraceTop:
cogl_object_unref (obj=0x0) at ./cogl-object.c:103
build_and_scan_frame_mask (shape_region=0x5ad07b0, client_area=0x7fffae323ef0, self=0x4e86030) at compositor/meta-window-actor.c:2232
meta_window_actor_update_shape_region (client_area=0x7fffae323ef0, self=0x4e86030) at compositor/meta-window-actor.c:2263
check_needs_reshape (self=0x4e86030) at compositor/meta-window-actor.c:2331
meta_window_actor_handle_updates (self=<optimized out>) at compositor/meta-window-actor.c:2402
StacktraceTop: and_scan_ frame_mask (shape_ region= 0x5ad07b0, client_ area=0x7fffae32 3ef0, self=0x4e86030) at compositor/ meta-window- actor.c: 2232 actor_update_ shape_region (client_ area=0x7fffae32 3ef0, self=0x4e86030) at compositor/ meta-window- actor.c: 2263 needs_reshape (self=0x4e86030) at compositor/ meta-window- actor.c: 2331 actor_handle_ updates (self=<optimized out>) at compositor/ meta-window- actor.c: 2402
cogl_object_unref (obj=0x0) at ./cogl-object.c:103
build_
meta_window_
check_
meta_window_