Re: [Xen-devel] Xen-unstable PVHdom0: Assertion 'IS_ALIGNED(dfn_x(dfn), (1ul << page_order))' failed at iommu.c:324

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Fri, Jan 25, 2019 at 07:44:40PM +0100, Sander Eikelenboom wrote:
> On 25/01/2019 15:38, Roger Pau Monné wrote:
> > On Thu, Jan 24, 2019 at 01:04:31PM +0100, Roger Pau Monné wrote:
> > Sorry, fixing that error took longer than expected, and requires
> > modifying quite a lot of code, so I'm not sure whether it's something
> > to consider for 4.12, I have to think about it.
> 
> I understand, especially since PVH dom0 is marked as experimental.
> 
> > In the meantime, can you please test the following branch:
> > 
> > git://xenbits.xen.org/people/royger/xen.git iommu-fixes-v2
> > 
> > I've been able to successfully create a PVH guest from a PVH dom0 on
> > AMD hardware using this branch.
> 
> On the other hand, with a quick test I can confirm that booting a PVH guest 
> from a PVH dom0 now works for me as well ! 
> (and booting this build as PV dom0, with my normal PVH/HVM mix of guests 
> still works, no regressions for me so far)

Sorry for bothering you again, but could you give the following branch
a test:

git://xenbits.xen.org/people/royger/xen.git fixes-4.12-v2

You should hopefully be able to boot a pvh dom0 and create guests from
it on your AMD hardware.

Thanks, Roger.

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