Re: bhyve guests: what clock source to use?

Reply: Sean McBride : "Re: bhyve guests: what clock source to use?"
In reply to: Sean McBride : "bhyve guests: what clock source to use?"
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From: Paul Vixie <paul_at_redbarn.org>
Date: Sun, 15 Oct 2023 02:23:28 UTC

in the old days i used to have to hard wire it. now it picks the same 
value i used to hard code. ntpd encountered chaos with other values.

kern.timecounter.hardware: TSC-low

i don't know if this has become an urban legend since i last fought it.

re:

Sean McBride wrote on 2023-10-11 11:28:
> Hi all,
> 
> As part of debugging a problem I'm having, I'd like to understand:
> 
> What clock source should bhyve guests use?  tsc? hpet? acpi_pm?  What are pros/cons of the choices?  Does it depend on the guest OS? (for me FreeBSD and Ubuntu)  Should it match the host?
> 
> Thanks,
> 
> Sean
> 


-- 
P Vixie