@Alberts Sorry, after the change:
if (frame) { - xwindow = meta_frame_get_xwindow (frame); + xwindow = meta_window_get_xwindow (window); } else { It still crashes. ------------------- Testing report (metacity 3.18.3-1ubuntu2): 1) Hardware: Intel Graphic Card + NV Maxwell Card + Nouveau Driver; 2) Mode: metacity compositing mode; 3) open firefox playing some HTML5 videos or other things that requires 3D acceleration; This is the report: 1) metacity 3.18.3-1ubuntu2 with a9f28dbc26f5211ef08889109db3dc8c7ba76aca reverting, testing for 2 days: -> 4 crashes, 0 normal windows missing. 2) metacity 3.18.3-1ubuntu2 (original version, no modification) for 2 days: -> 0 crashes, 1 normal windows missing. 3) metacity 3.18.3-1ubuntu2 (with: - xwindow = meta_frame_get_xwindow (frame); + xwindow = meta_window_get_xwindow (window); ) for 2 days: -> 1 crashes, 0 normal windows missing. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1538111 Title: untraceable serious bug in metacity 3.18 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/1538111/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs