Clock Unsynchronized

To: netbsd-users%netbsd.org@localhost
Subject: Clock Unsynchronized
From: Patrick Welche <prlw1%cam.ac.uk@localhost>
Date: Mon, 28 Jan 2019 15:51:15 +0000

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


Cheers,

Patrick

Follow-Ups:
- Re: Clock Unsynchronized
  - From: Chavdar Ivanov

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