Thanks for your testing. Can you boot mainline kernel with kernel parameter "drm.debug=0x0e", and attach the dmesg? This will help me write commit log.
Thanks! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1749420 Title: [regression] Colour banding and artefacts appear system-wide on an Asus Zenbook UX303LA with Intel HD 4400 graphics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1749420/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs