It was a conflict! After completely removing ALL xorg related packages and reinstalling them again (only reinstall ubuntu-desktop package) all things works fine.
-- After upgrade, moving or scrolling windows or playing videos, take 100% CPU https://bugs.launchpad.net/bugs/136958 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
