Re: 3.6.11 AMD-Vi: Completion-Wait loop timed out

Jörg Rödel
2013-01-20T11:57:59Z

On Sun, Jan 20, 2013 at 12:48:28PM +0100, Borislav Petkov wrote:
> On Sun, Jan 20, 2013 at 12:40:11PM +0100, Jörg Rödel wrote:
> > Yes, the BIOS vendor can fix this issue. They need to disable NB clock
> > gating for the IOMMU.
>
> Right, Udo, you can try Gigabyte first.
>
> Btw, can't we add a quirk to disable NB clock gating? Maybe Boris and
> Jacob could help. CCed.

BorisO is no longer with AMD afaik. I wrote an email to Sherry and
Suravee and asked them to either send me hardware to write the fix on my
own or to send a fix for the issue. Let's see what happens...

Joerg