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

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Message-ID: <20071216092757.GC27280@elte.hu>
Date:	Sun, 16 Dec 2007 10:27:57 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Paul Rolland <rol@...917.net>, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Pavel Machek <pavel@....cz>, "David P. Reed" <dpreed@...d.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Rene Herman <rene.herman@...access.nl>, rol@...be.net
Subject: Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80
	on some AMD64x2 laptops, etc.


* H. Peter Anvin <hpa@...or.com> 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.

two or three i think (and an unknown of others where "random, 
unexplained freezes" were thought to be hw borkage), but yeah, it's 
still a very low proportion.

	Ingo
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