When trying to enable Hyper-V/VMP in Windows, after VM reboot, the virtual machine stuck at boot process/virtual machine can’t boot at all
check in pve:
cat /sys/module/kvm_intel/parameters/nested
If the guest OS tries to access an unsupported MSR, instead of throwing a general protection fault or killing the VM, KVM ignores the access.
echo "Y" > /sys/module/kvm/parameters/ignore_msrs #temp
echo "options kvm ignore_msrs=1" >> /etc/modprobe.d/kvm.conf #perm
modprobe -r kvm
Set CPU to HOST
Also Machine settings under Hardware, we are using i440fx not q35
SSH to server,
Navigate to /etc/pve/qemu-server/
Edit the machine ID (e.g. 123.conf) which will need nested virtualization (Proxmox server having Windows VM which will use Docker, WSL, Hyper-V, etc)
Add args: -cpu host,hv_passthrough,level=30,-waitpkg
If you have some issues, experiment by removing some arguments or changing values
In Windows as admin cmd
wsl --set-default-version 2
wsl --update
wsl --install -d debian
(will install Virtual Machine Platform, and WSL support)
if still can't boot, stuck on Logo, do
bcdedit /set hypervisorlaunchtype off
If error code:
An error occurred during installation. Distribution Name: 'Debian GNU/Linux' Error Code: 0x80072ee7
Make sure windows is up to date. If you use IOT Enterprise, enable Microsoft store wsreset -i
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