Please test latest drm-tip kernel with kernel parameter "drm.debug=0xe" and attach dmesg: https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-tip/current/
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1860303 Title: Backlight brightness cannot be adjusted using keys To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860303/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
