Windows 10 VM crashes (N5105)

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@olivierlambert xo-server 5.102.0 patched. Not nested.

[olivierlambert]

XCP-ng, not Xen Orchestra

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@olivierlambert XCP-ng Host 8.2.1

[olivierlambert]

Do you have BIOS access? I would double check you have various options enabled (I don't remember exactly which ones, also this bug rings a bell but I can't find exactly what )

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@olivierlambert I'll have a run through the bios shortly. I recall enabling all the virtualization settings etc. everything else seems to be running smoothly.

my hunch is it is graphics related and BlueIris is probing for graphic accelerator hardware. I cant find a way to disable this behavior to test my theory though.

Something similar was reported on proxmox, the solution was to set the following option, but I don't see an equivalent. For XCP-NG.

echo "options kvm ignore_msrs=1" > /etc/modprobe.d/kvm.conf

[olivierlambert]

It's weird since we patched those recents CPUs for this bug: https://github.com/xcp-ng/xcp/issues/434

Could it be something else?

olivierlambert created this issue in xcp-ng/xcp

closed Backport Xen patch to support Ice Lake and Comet Lake CPUs #434

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@olivierlambert okay, I just remembered, I had trouble installing too ..... The install was black screening after relinquish VGA.

After some reading around I happened upon :

"Custom XCP-ng 8.2.1 install ISO with Xen 64bit VGA Dom0 kernel fix (NUC11) and new ethernet drivers (NUC10/NUC11):" from here :

https://users.ntplx.net/~andrew/xcp/

This is how I got up and running.

I'm way out of my depth here, but this feels like it might be the crux of the matter.

[olivierlambert]

Can you create an issue on https://github.com/xcp-ng/xcp?

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@olivierlambert sure , will give it a go.

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https://github.com/xcp-ng/xcp/issues/565

danielbayley80 created this issue in xcp-ng/xcp

open Domain 11 (vcpu#1) crashed on cpu#0: (N5105) #565