Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80on some AMD64x2 laptops, etc.

From: Pavel Machek
Date: Sat Dec 15 2007 - 17:55:37 EST


On Sat 2007-12-15 12:26:26, H. Peter Anvin wrote:
> Paul Rolland wrote:
>> Just an idea : from what I've read, the problem (port 80 hanging) only
>> occurs
>> on 'modern' machines...
>
> It happens on *one single* "modern" machine...
>
> Let's keep that in perspective.

it hurts on other machines (like debug leds being useless), and it may
be incorrect as soon as you insert leds-on-port-0x80-on-PCI card.

No, it is not critical but yes, I'd like to see it fixed.

Pavel
--
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