I can work around this bug by adding the kernel parameter "acpi_backlight=vendor" which leads me to believe that this bug is a regression caused by the fix for LP#311716 .
-- Backlight brightness does not change on Gateway P-6317 laptop https://bugs.launchpad.net/bugs/295311 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
