That warning might indeed correlate with some flicker: [2017-02-23 16:18:58.483124] <WARNING> mesa-kms: drmModeCrtcSetGamma failed: Invalid argument
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1667001 Title: [amd] screen-unblanking seems to flicker backlight on/off 8 times before display resumes To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1667001/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
