Re: [Xen-devel] Ryzen 3xxx works with Windows

[Steven Haigh <netwiz@xxxxxxxxx>]

Can add weight to these findings. Tested with Xen 4.12.1 and the cpuid 
line suggested and it looks like my Windows VM has come up with 4 vCPUS.
I can't RDP in to make sure its 100% booted, but it certainly isn't 
doing the crash dump cycle - and CPU usage is consistent with being 
successfully booted.
Steven Haigh

📧 netwiz@xxxxxxxxx     💻 https://www.crc.id.au
📞 +613 9001 6090       📱 +614 1293 5897


On Fri, Nov 15, 2019 at 18:06, Andreas Kinzler <hfp@xxxxxxxxx> wrote:
> Hello All,
>
> I compared the CPUID listings from Ryzen 2700X (attached as tar.xz) 
> to 3700X and found only very few differences. I added
> cpuid = [ "0x80000008:ecx=xxxxxxxxxxxxxxxx0100xxxxxxxxxxxx" ]
>
> to xl.cfg and then Windows runs great with 16 vCPUs. Cinebench R15 
> score is >2050 which is more or less the bare metal value.
> Regards Andreas


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