Re: "iommu/amd: Set exclusion range correctly" causes smartpqi offline

From: Qian Cai
Date: Fri May 03 2019 - 16:39:51 EST


On Mon, 2019-04-29 at 16:23 +0200, Joerg Roedel wrote:
> On Fri, Apr 26, 2019 at 11:55:12AM -0400, Qian Cai wrote:
> > https://git.sr.ht/~cai/linux-debug/blob/master/dmesg
>
> Thanks, I can't see any definitions for unity ranges or exclusion ranges
> in the IVRS table dump, which makes it even more weird.
>
> Can you please send me the output of
>
> for f in `ls -1 /sys/kernel/iommu_groups/*/reserved_regions`; do echo "-
> --$f"; cat $f;done
>
> to double-check?

https://git.sr.ht/~cai/linux-debug/blob/master/iommu