On Fri, Oct 18, 2024, at 5:24 PM, All wrote:
> Hi,
>
> Alpine guest has a pretty bad time drift. I saw that a while back, 
> 7.3(?) there were
> people facing similar issue with vmd guests. 
> I did search for solution and saw some workarounds.
> Playing with kern time hardware under sysctl.
> No luck though.
>
> Does anyone faced this problem? How did you fix it?

You are correct, there have been many threads on this topic over the years on 
bugs@ and misc@. Here's one, but you can find others by searching for some 
combination of 'clocksource' and 'tsc':

https://marc.info/?t=169787365000001

I prefer the follow Linux kernel parameters, versus the installable kernel 
module, on my Alpine guests to achieve reliable time:

clocksource=tsc tsc=reliable

I'm currently on Alpine 3.20 without any time skew, and no changes have been 
made to the host system. Success *may* vary by host system, in this case that 
guest lives on an Intel NUC8i5BEH.

Brian Conway
Owner
RCE Software, LLC

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