On Fri, Aug 2, 2013 at 3:11 PM, Josep Lladonosa <jlladono@xxxxxxxxx> wrote: > "Before" means with previous kernels that worked with > > GRUB_CMDLINE_LINUX="acpi_osi=Linux acpi_backlight=vendor" That's probably a different issue. You would need to bisect the problem. > I have not checked this issue with acpi_osi="!Windows 2012". Please do. -- Felipe Contreras -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html