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



On 2019-08-21 06:57, Andreas Kinzler wrote:
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.

Just to add a data point to this - I also see this problem on a Ryzen 9 3900x.

xl dmesg shows:
(XEN) d2v0 VIRIDIAN CRASH: ac 0 a0a0 fffff80293254750 aea
(XEN) d3v0 VIRIDIAN CRASH: ac 0 a0a0 fffff80093a40750 aea
(XEN) d5v0 VIRIDIAN CRASH: ac 0 a0a0 fffff8028e422350 aea
(XEN) d6v0 VIRIDIAN CRASH: ac 0 a0a0 fffff80309431750 aea
(XEN) d10v0 VIRIDIAN CRASH: ac 0 a0a0 fffff8012823e750 aea
(XEN) d11v0 VIRIDIAN CRASH: ac 0 a0a0 fffff8032e657350 aea

Windows usually has a stopcode of "HAL MEMORY ALLOCATION" when it blue screens.

From xl info:
hw_caps : 178bf3ff:f6d8320b:2e500800:244037ff:0000000f:219c91a9:00400004:00000500
virt_caps              : hvm hvm_directio
xen_version            : 4.11.2
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64

Is there any further info that can be provided? Not being able to virtualise Windows is a bit of a PITA...

--
Steven Haigh

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

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