Hello Eric,

thank you for your information.

I will first check if I can find a way in the BIOS to configure SVM.

Fromy my point of view MSI should provie a BIOS where it is possible to configure this option.

If this does not work I will look for your hint.

Regards

--Christian

Am 26.04.20 um 19:53 schrieb Eric van Gyzen:
On 4/26/20 3:57 AM, Christian Jeannot wrote:
Hi Community,

I am testing bhyve from FreeBSD 12.1 RELEASE.

My environment:
- CPU: AMD Ryze 3900X
- Mainboard: MSI MEG ACE X570, Default settings, latest BIOS 7C35v18
- RAM: G.Skill RipJaws V DIMM Kit 64GB, DDR4-3200, CL16-18-18-38
- GPU: Sapphire Nitro RX 5700XT

I checked the settings in the BIOS. Virtualization options are enabled. SVM is enabled.

I follow the instruction from the FreeBSD handbook „21.7. FreeBSD as a Host with bhyve“.

When I run
     kldload vmm
I got an output that SVM is disabled by BIOS. When I check the BIOS it is enabled.

I use bhyve on a Ryzen with an Asus Prime X470-PRO.

I wonder if your BIOS is enabling SVM but failing to update the MSR to say it's enabled.  Try commenting out the second "return (0);" in svm_available() in sys/amd64/vmm/amd/svm.c and rebuilding the vmm module.  If SVM is actually disabled, I have no idea what impact this change will have, so beware.  If SVM is actually enabled and this hack allows you to use it, we could probably commit a tunable to do this more cleanly.

Eric

--
--
christian jeannot
vogelmauer 17
86152 augsburg
+49 821 81552861
i...@os-plus.org
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