Subject: Re: LP64 bug of ntp? (Re: mk48txx(4) tod clock driver cleanup)
To: None <martin@duskware.de>
From: Izumi Tsutsui <tsutsui@ceres.dti.ne.jp>
List: port-sparc64
Date: 11/16/2003 05:58:02
In article <20031115190010.GA101@drowsy.duskware.de>
martin@duskware.de wrote:
> > This means crystal clock used on my U5 has actually bad accuracy?
>
> Is that running -current?
Yes. (updated yesterday)
> All my sparc64 machines have pretty good ntp
> statistics, since we switched over to using the MI microtime code based
> on cycle counters (%tick).
My U5 also has good statistics except the frequency value,
which is "the frequency error of the local clock."
> I doubt that. It is a pretty exact method, if the firmware does not lie about
> the frequency (and there are no software bugs).
Then maybe the local clock on my U5 would have a certain deviation
from the regular frequency..
---
Izumi Tsutsui
tsutsui@ceres.dti.ne.jp