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Re: kern/56322: Excessive clock drift
The following reply was made to PR kern/56322; it has been noted by GNATS.
From: David Holland <dholland-bugs%netbsd.org@localhost>
Subject: Re: kern/56322: Excessive clock drift
Date: Thu, 22 Jul 2021 23:29:25 +0000
On Thu, Jul 22, 2021 at 07:00:03AM +0000, David Holland wrote:
> > Can you try
> > sysctl -w kern.timecounter.hardware=i8254
> > and see whether that improves the situation.
> As of ~now when I did that it had dropped to two full minutes behind,
> in something like seven hours, so tomorrow morning should indicate
> whether the situation's better.
Drift since then has been ~0, so the issue reduces to: why are we no
longer detecting that the TSC is bad?
David A. Holland
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