linux-kernel - Re: [RFT] x86 acpi: normalize segment descriptor register on resume

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Message-ID: <20080714063642.GG31949@elf.ucw.cz>
Date:	Mon, 14 Jul 2008 08:36:42 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andy Lutomirski <luto@...ealbox.com>,
	Andi Kleen <andi@...stfloor.org>, Ingo Molnar <mingo@...e.hu>,
	public-kernel-testers-u79uwXL29TY76Z2rM5mHXA@...gmane.org,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: Re: [RFT] x86 acpi: normalize segment descriptor register on resume

On Sun 2008-07-13 11:16:38, H. Peter Anvin wrote:
> Pavel Machek wrote:
>>
>> In such case, you could verify by disabling intel framebuffer and just
>> using plain VGA driver (or vesafb).
>>
>> Breaking video bios calls would be bad.
>
> It would... but it doesn't seem to make much sense.  What, in detail, does 
> this particular quirk do?

lcall 0xc000, 3 into the BIOS :-(.
									Pavel

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