On Thu, Jan 08, 2009 at 13:50:42 +0800, journey.lee wrote: > may be you can try to enable CONFIG_ACPI_VIDEO > > Power management options ---> > ACPI (Advanced Configuration and Power Interface) Support ---> > Video The configuration is the same as with 2.6.27, so yes, CONFIG_ACPI_VIDEO is enabled. Meanwhile, I opened a bug in the kernel bugzilla. Regards, Tino