GNOME Shell does not use metacity... So it might be different bug, or "shared" bug in both - metacity and mutter. Tried to run GNOME Shell session in virtual box, tried few times to open & close midori & synaptic, but for me everything works... :(
Cui, if bug is only with compositing manager then you could try to revert this commit: https://git.gnome.org/browse/metacity/commit/?id=a9f28dbc26f5211ef08889109db3dc8c7ba76aca (it might introduce crashes...) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to metacity in 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 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs