Confirmed on Precise with kernel 3.2-31-generic. Brightness keys don't change screen brightness, even after adding the 'acpi_backlight' option. I can still manage by writing 1-7 to /sys/class/backlight/acpi_video0/brightness.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/503577 Title: g-p-m brightness not applied anymore after rebooting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/503577/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs