linux-kernel - Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

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Message-Id: <E1HA1Se-0002Y3-VQ@flower>
Date:	Thu, 25 Jan 2007 10:04:04 +0000
From:	Oleg Verych <olecom@...wer.upol.cz>
To:	Martin Drab <drab@...ler.fjfi.cvut.cz>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Intel PCI-E bridge ACPI resources and possibly related SATA unstability problems on ASUS A8Js

gmane.linux.kernel:
> Hi,

Hallo.

> recently I got my hands on an ASUS A8Js notebook (Core 2 Duo T7200,
> Intel 945 PM PCI-E Chipset, for details see attached log). After booting 
> the latest 2.6.20-rc5-git3 kernel (but the same behaviour occurs also with 
> the 2.6.19.2, didn't try any other), some strange behaviour can be 
> observed.

There were disscussions about mmconfig and what nightmare it brought to
PCI(E) configuration in scope of BIOS, chip bugs. Here's (one of) such:
<http://marc.theaimsgroup.com/?l=linux-kernel&m=116007091004503&w=2>

> At first the following messages appear in the log:
>
> ...
> [   40.303154] PCI: BIOS Bug: MCFG area at e0000000 is not E820-reserved
> [   40.303157] PCI: Not using MMCONFIG.
>
> (not sure whether this is really a problem)

I think it may be the major problem.

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