On 12/11/2012 10:59 AM, Ondrej Zary wrote:

As I said before, the BIOS probably breaks on resume before any Linux code is
executed. So any fix must be done before suspending.

Well, that code should be independent of A20, being in low memory, but 
if the BIOS itself crashes, then that's... yeah.

I hate quirks too. A general solution would be to always enable A20 using KBC
(if KBC is present) but that's probably not acceptable.

I don't see why not.  If so we could just do it as part of the 
initialization of the i8042 driver.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.