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

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

On 08/02/2019 16:10, Roger Pau Monné wrote:
> 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:

No problem, happy to keep testing until it works and is in good enough shape to 
get committed.

And fortunately you asked, because unfortunately it doesn't boot as pvhdom0, 
serial log is attached.

--
Sander

> 
> 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.
>

Attachment: boot-dom0-pvh.log
Description: Text Data

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