On 6 Dec 2022, at 14:59, Dave Voutila <d...@sisu.io> wrote:
> The functional changes between releases include driving more vm exits to
> be handled by vmd and not vmm in the kernel. vmd is already quite
> chatty, so it's time to revisit which messages add value.
> 
> vcpu_ext_eptviolation sounds more ominous than it should at this
> point. It's the primary page fault handler for both Intel EPT and AMD
> SVM.

OK, so should I interpret the above as “ignore the error messages, all is well?”

The reason I am asking is that on a different system, powered by an Intel Atom 
(hence showing the “slow L1TF mitigation” message at boot) I do not see these 
log messages at all (OpenBSD 7.2, three VMs, all OpenBSD 7.2).

If I can ignore them that’s fine by me.

>> The error messages increase when there is traffic to the VMs, in
>> particular to fetest-0 (a web site running nginx) and ns-0 (a
>> nameserver running BIND9).
>> 
> 
> Is it usually a single vm in your topology or all vm's that start
> producing the noise?

All the VMs alternatively produce the noise.

Cheers,

Arrigo

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