Re: Clock Error

[Johnny Billquist <bqt%softjar.se@localhost>]

On 2023-12-19 23:36, Jan-Benedict Glaw wrote:
> On Tue, 2023-12-19 23:27:20 +0100, Johnny Billquist <bqt%softjar.se@localhost> wrote:
> > On 2023-12-19 23:25, Mouse wrote:
> > > > Anyway.
> > > > Desktop:           Tue Dec 19 23:00:23 CET 2023
> > > > NetBSD under simh: Wed Dec 20 05:16:22 CET 2023
> > >
> > > > Time was originally pretty correct.
> > >
> > > Running _fast_?  That's not lost interrupts, then.  (It could be
> > > _extra_ interrupts, but that strikes me as a less likely failure mode.)
> >
> > Yup. Something seriously wrong. And I would not exclude bugs in simh causing
> > *lots* of extra interrupts. Especially considering the Ken also running
> > under simh without seeing this effect.
>
> I wonder if idle detection plays a role...

I have idle detection enabled, and it is working. But right now, the 
simulated VAX isn't exactly idle at all. :-)

  Johnny

--
Johnny Billquist                  || "I'm on a bus
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