Re: Weird clock behaviour with current (amd64) kernel

[mlelstv%serpens.de@localhost (Michael van Elst)]

dholland-current%netbsd.org@localhost (David Holland) writes:

>On Thu, Jul 14, 2022 at 08:59:25PM +0700, Robert Elz wrote:
> > I just booted a kernel that I built (from up to date at the time)
> > HEAD sources about 24 hours ago.
> > 
> > Everything seemed to be working fine - until I noticed that all of
> > my clocks (there are several, gkrellm, window manager, a dclock,
> > and an xtu) were all wildly wrong (as in, were moving time forwards
> > incredibly slowly).

>Probably not related, but see PR 56322. I have a machine where the TSC
>is apparently bad, and somewhere in -current a bit more than a year
>ago we stopped detecting that during boot, with negative consequences.


The bad TSC is probably a known erratum that we don't (yet) check for.