On Fri, 19 May 2023 13:26:18 +0200, Maciej S. Szmigiero wrote:
> While testing Hyper-V enabled Windows Server 2019 guests on Zen4 hardware
> I noticed that with vCPU count large enough (> 16) they sometimes froze at
> boot.
> With vCPU count of 64 they never booted successfully - suggesting some kind
> of a race condition.
>
> Since adding "vnmi=0" module parameter made these guests boot successfully
> it was clear that the problem is most likely (v)NMI-related.
>
> [...]
Applied to kvm-x86 fixes, thanks!
[1/1] KVM: SVM: vNMI pending bit is V_NMI_PENDING_MASK not V_NMI_BLOCKING_MASK
https://github.com/kvm-x86/linux/commit/b2ce89978889
--
https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes
