The problem is still present with the latest kernel (2.6.22-10). A note: booting with acpi=off I can use the backlight switch button and even the brightness button with Fn key, but I have to manually shut the computer off.
-- ACPI doesn't work for ASUS L4500R https://bugs.launchpad.net/bugs/127820 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs