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

[Andreas Kinzler <hfp@xxxxxxxxx>]

On 20.08.2019 22:38, Andrew Cooper wrote:
> On 20/08/2019 21:36, Andreas Kinzler wrote:
> > On 20.08.2019 20:12, Andrew Cooper wrote:
> > > > Xen version 4.10.2. dom0 kernel 4.13.16. The BIOS version is unchanged
> > > > from 2700X (working) to 3700X (crashing).
> > > So you've done a Zen v1 => Zen v2 CPU upgrade and an existing system?
> > With "existing system" you mean the Windows installation?
> I meant same computer, not same VM.
Tried with 2 mainboards: Asrock X370 Pro4 and AsrockRack X470D4U.
You need to flash the BIOS for Zen2. X470D4U BIOS 3.1 works with 2700X 
but not with 3700X. X370 Pro4 with somewhat older BIOS worked for 2700X 
and does not work with current (6.00) BIOS and 3700X.
> > Yes, but it is not relevant. The same BSODs happen if you boot the HVM
> > with just the iso installation medium and no disks.
> That's a useful datapoint.  I wouldn't expect this to be relevant, given
> how Window's HAL works.
It should make debugging for you quite "simple" because it can be 
reproduced very easily.
Regards Andreas

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