Actually real workaround of the day is to set GRUB_CMDLINE_LINUX="acpi_backlight=vendor acpi_osi='\"!Windows 2009\"'" otherwise laptop cannot be suspended by closing the lid.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/566193 Title: luminosity screen on a laptop cannot be set -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
