Please remove all acpi* kernel parameters and see if it helps. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1812161
Title: Screen backlight control does not work in Disco on Dell XPS 9560 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1812161/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
