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

From: Oleg Verych
Date: Thu Jan 25 2007 - 08:50:43 EST


On Thu, Jan 25, 2007 at 01:28:56PM +0100, Martin Drab wrote:
> On Thu, 25 Jan 2007, Oleg Verych wrote:
>
> > gmane.linux.kernel:
> > > 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.
>
> Hmm, it may be. Was there suggested any solution (or at least proposal)
> that I may try?

Try fix BIOS bugs: <http://permalink.gmane.org/gmane.linux.kernel/462632>

> Martin
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