El 28/07/13 21:05, Aaron Lu escribió:

So does adding nox2apic still work for you with latest Linus' tree?

Yes, nox2apic makes things work again, but has always puzzled me why acpi_backlight=vendor made it work previously with no apparent bad side effect..

The only possible hint in the logs I could ever find is:

[    3.844586] [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOS

This is subtle, meaning the BIOS doesn't provide the required method.

Yeah, I wonder what Windows 7/8 is doing..does not seem to care about that..


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