With kernel <= 3.2.0-32, uses acpi=noirq With kernel >= 3.2.0-33, uses acpi_backlight=vendor dell_laptop.backlight=0
You have just to modify the /etc/default/grub file with that parameters, then update-grub, reboot and enjoy... It's working :) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1082833 Title: Failed XPS 15z boot, producing: "[Firmware Bug] ACPI(PEPG) defines _DOD but not _DOS" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1082833/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
