From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-acpi@vger.kernel.org
Subject: Re: 2.6.35-rc3 regression: IBM Maia system is unbootable [ACPI related?]
Date: Mon, 21 Jun 2010 11:33:54 -0500 [thread overview]
Message-ID: <1277138034.10998.69.camel@mulgrave.site> (raw)
In-Reply-To: <87pqzkqrzq.fsf@basil.nowhere.org>
On Mon, 2010-06-21 at 18:18 +0200, Andi Kleen wrote:
> James Bottomley <James.Bottomley@HansenPartnership.com> writes:
>
> > The system in question has a set of root bridges, with the CD rom (which
> > is seen) being on bus 0 and the SCSI controller, which doesn't show up
> > being on bus 1 (with several other things on busses > 1).
> >
> > The system uses ACPI to detect the multiple bridges, so it seems that
> > this failure in 2.6.35-rc3:
> >
> > ACPI: Core revision 20100428
> > ACPI Error: Hardware did not enter ACPI mode (20100428/evxfevnt-103)
> > ACPI Warning: AcpiEnable failed (20100428/utxface-147)
> > ACPI: Unable to enable ACPI
>
> That probably causes all the other problems. Without ACPI enabled
> modern systems generally do not work.
>
> Just guessing, but maybe try to revert
>
> b430acbd7c4b919886fa7fd92eeb7a695f1940d3
>
> That was the last change in this area.
I can confirm that reverting this over a vanilla 2.6.35-rc3 fixes my
boot problem.
James
next prev parent reply other threads:[~2010-06-21 16:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-21 16:03 2.6.35-rc3 regression: IBM Maia system is unbootable [ACPI related?] James Bottomley
2010-06-21 16:14 ` James Bottomley
2010-06-21 16:18 ` Andi Kleen
2010-06-21 16:33 ` James Bottomley [this message]
2010-06-21 16:54 ` James Bottomley
2010-06-21 17:26 ` James Bottomley
2010-06-29 3:49 ` Len Brown
2010-06-29 16:49 ` James Bottomley
2010-06-22 14:28 ` Maciej Rutecki
2010-06-28 21:59 ` Len Brown
2010-06-29 4:01 ` James Bottomley
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