Re: [Xen-devel] Windows HVM no longer boots with AMD Ryzen 3700X (and 3900X)

[Steven Haigh <netwiz@xxxxxxxxx>]

On 2019-09-02 18:20, Paul Durrant wrote:
> > -----Original Message-----
> > From: Steven Haigh <netwiz@xxxxxxxxx>
> > Sent: 02 September 2019 09:09
> > To: Paul Durrant <Paul.Durrant@xxxxxxxxxx>
> > Cc: Andreas Kinzler <hfp@xxxxxxxxx>; Andrew Cooper 
> > <Andrew.Cooper3@xxxxxxxxxx>; xen-
> > devel@xxxxxxxxxxxxxxxxxxxx
> > Subject: Re: Windows HVM no longer boots with AMD Ryzen 3700X (and 
> > 3900X)
> > On 2019-09-02 18:04, Paul Durrant wrote:
> > >> -----Original Message-----
> > >> Further to the above, I did some experimentation. The following is a
> > >> list of attempted boot configurations and their outcomes:
> > >>
> > >> viridian=1
> > >> vcpus=4
> > >> STOPCODE: HAL MEMORY ALLOCATION
> > >>
> > >> viridian=0
> > >> vcpus=4
> > >> STOPCODE: MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED
> > >>
> > >> viridian=0
> > >> vcpus=1
> > >> Boot OK - get to Windows Server 2016 login etc
> > >>
> > >
> > > And to complete the set, how about viridian=1 vcpus=1?
> >
> > Any vcpus value where viridian=1 is used creates a HAL MEMORY 
> > ALLOCATION
> > stopcode when trying to boot Windows.
> Ok, so I guess that issue hits first and, only if you get beyond that
> do you hit the multiprocessor problem.
>
> The viridian option is not actually a boolean any more (that
> interpretation is just for compat) so it would be a good datapoint to
> know which of the enlightenments causes the change in behaviour. Could
> you try viridian=['base'] to see if that's sufficient to cause the
> problem? (I'm guessing it probably is but it would be good to know).

Hi Paul,

I can confirm that viridian=['base'] crashes with the same HAL MEMORY 
ALLOCATION stopcode - even on 1 vcpu.
--
Steven Haigh

? netwiz@xxxxxxxxx     ? http://www.crc.id.au
? +61 (3) 9001 6090    ? 0412 935 897

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