Update: Deactivating desktop-effects solves the problem
-- youtube breaks sound and parts of system down (flashplayer problem?,firefox2) https://bugs.launchpad.net/bugs/231194 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs