Re: Clock Unsynchronized

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

> On Mon, 28 Jan 2019 at 15:51, Patrick Welche <prlw1%cam.ac.uk@localhost> wrote:
> >
> > Just noticed (NetBSD-8.99.26/amd64):
> >
> > ntpd[1575]: kernel reports TIME_ERROR: 0x4041: Clock Unsynchronized
> >
> > This is after a ntpdate which succeeded in catching up the 3/4 hour
> > that clock was behind by. I haven't seen this error before...
> >
> > Is ACPI-Fast a good choice? (I didn't choose...)
> >
> > # sysctl kern.timecounter
> > kern.timecounter.choice = TSC(q=-100, f=2666902400 Hz) clockinterrupt(q=0, f=100 Hz) ichlpcib0(q=1000, f=3579545 Hz) ACPI-Fast(q=1000, f=3579545 Hz) lapic(q=-100, f=266767233 Hz) i8254(q=100, f=1193182 Hz) dummy(q=-1000000, f=1000000 Hz)
> > kern.timecounter.hardware = ACPI-Fast
> > kern.timecounter.timestepwarnings = 0

On Mon, Jan 28, 2019 at 07:17:23PM +0000, Chavdar Ivanov wrote:
> I remember having problems sometimes ago when my NetBSD machines were
> around 8.99.25 or so (my timeserver is an RPI Model B still on
> 8.99.2). I haven't had these problems for a while, but all my -current
> machines are on 8.99.32.

I just updated to Wednesday's 8.99.32, and saw it again:

Feb  1 12:09:51 warbler ntpd[327]: kernel reports TIME_ERROR: 0x41: Clock Unsynchronized

Hardware problem?


Cheers,

Patrick