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

From: Joerg Roedel
Date: Tue Apr 02 2013 - 11:03:14 EST


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?


Joerg


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