Ok, sending the full log. Also, I noticed that the issue does not exist when the app is in windowed mode. I can change focus without issues. Only when the app is full screen and I tab in/out.
** Attachment added: "pb.zip" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/2016045/+attachment/5664646/+files/pb.zip -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/2016045 Title: Screen sometimes freezes [modeset(0): Present-flip: queue async flip during flip on CRTC 0 failed: Invalid argument] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/2016045/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp