System freeze and crash/restart after tying to load Win11 VM in VirtualBox

I am running the current opensuse Tumbleweed (Kernel 70.12-1 and the current VirtualBox). I just tried to start my Windows 11 Vm from the VirtualBox launcher and right in the moment the VM window opens the system completely freezes. After about 2 minutes or so all screens go black and the system just restarts. I tried it right after the restart and had the same results.

Is this a known bug or am I the only one affected?

Do you have kvm.enable_virt_at_load=0 on the kernel command line? If yes, remove it and test.

More chance to meet Virtualization gurus in the Virtualization section of these forums I assume.

yes it is in the kernel-parameter list. After removing I probably need to reboot first right? And, what does this parameter do?

If have removed the parameter as suggested and no everything works again. Thanks

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