I have exactly the same problem with vlc on my Thinkpad X260 which also uses the Intel HD 520 graphics.
My system: Ubuntu 14.04.4 Kernel: Linux x260 4.2.0-30-generic #36~14.04.1-Ubuntu SMP Fri Feb 26 18:49:23 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux VLC: 2.1.6 Rincewind (2.1.6+git20160115+r54594+20+11~ubuntu14.04.1) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1537053 Title: vlc screen always on top, buggly. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vlc/+bug/1537053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs