After I observed visible tearing when watching video on external HDMI screen I switched back to Intel driver.
Before: [ 34.531] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so [ 34.548] (II) Module modesetting: vendor="X.Org Foundation" [ 34.548] compiled for 1.18.4, module version = 1.18.4 [ 34.548] Module class: X.Org Video Driver [ 34.548] ABI class: X.Org Video Driver, version 20.0 After: [ 36.090] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so [ 36.139] (II) Module intel: vendor="X.Org Foundation" [ 36.139] compiled for 1.18.4, module version = 2.99.917 [ 36.139] Module class: X.Org Video Driver [ 36.139] ABI class: X.Org Video Driver, version 20.0 This fixed both issue reported here and tearing during video playback. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1665850 Title: Screen corruption after unblank with HWE stack To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel-hwe-16.04/+bug/1665850/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
