Re: [PATCH 1/3] iommu/amd: Add logic to decode AMD IOMMU event flag

From: Borislav Petkov
Date: Tue Apr 02 2013 - 11:30:09 EST


On Tue, Apr 02, 2013 at 05:03:04PM +0200, Joerg Roedel wrote:
> On Tue, Apr 02, 2013 at 04:40:37PM +0200, Borislav Petkov wrote:
> > While you guys are at it, can someone fix this too pls (ASUS board with
> > a PD on it).
> >
> > [ 0.220342] [Firmware Bug]: AMD-Vi: IOAPIC[9] not in IVRS table
> > [ 0.220398] [Firmware Bug]: AMD-Vi: IOAPIC[10] not in IVRS table
> > [ 0.220451] [Firmware Bug]: AMD-Vi: No southbridge IOAPIC found in IVRS table
> > [ 0.220506] AMD-Vi: Disabling interrupt remapping due to BIOS Bug(s)
>
> That is actually a BIOS problem. I wonder whether it would help to turn this
> into a WARN_ON to get the board vendors to release working BIOSes.
> Opinions?

Good luck trying to get ASUS to fix anything in their BIOS :(.

Can't we detect the SB IOAPIC some other way in this case?

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
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