On 30.07.2019 19:56, Roman Shaposhnik wrote: > On Fri, Jul 26, 2019 at 1:06 AM Jan Beulich <jbeul...@suse.com> wrote: >> >> On 23.07.2019 20:25, Roman Shaposhnik wrote: >>> Interestingly enough, adding iommu_inclusive_mapping=1 AND iommu=debug >>> booted the system just fine. >> >> Btw (I've noticed this only now) - are you saying without "iommu=debug" >> the box does _not_ boot fine, despite the other option? > > Yes. But it made sense to me since iommu=debug (as per your > explanation) overwhelms the CPU and I guess adding > iommu_inclusive_mapping=1 avoids the code path that does it?
I'm afraid I don't follow: My question was whether "iommu_inclusive_mapping=1" alone would not allow the box to boot. Without "iommu=debug" there's no excessive logging afaict, no matter what other IOMMU options you use. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
