[LinuxPPS] PPS Setup problems

[Robert Jenkins]

-----Original Message-----
From: linuxpps-bounces at ml.enneenne.com
[mailto:linuxpps-bounces at ml.enneenne.com] On Behalf Of Bernhard Schiffner
Sent: 15 February 2008 16:02
To: linuxpps at ml.enneenne.com
Subject: Re: [LinuxPPS] PPS Setup problems

Am Freitag, 15. Februar 2008 16:48 schrieb Udo van den Heuvel:
> Udo van den Heuvel wrote:
> > Bernhard Schiffner wrote:
> >> A guess
> >> Kernel: kernel/time/ntp.c
> >> commit e13a2e61dd5152f5499d2003470acf9c838eab84
> >
> > Which does?
>
> Ah...
>
> ntp: correct inconsistent interval/tick_length usage
>
>     clocksource initialization and error accumulation.  This corrects 
> a 280ppm
>     drift seen on some systems using acpi_pm, and affects other 
> clocksources as
>     well (likely to a lesser degree).
>
> So good for us!
> Does the patch apply to 2.6.24.2?

Yes. ntp.c is changing very slowly.

But beside this IMHO it helps with  clocksource switching, dynticks,
powermanagent (CPU) issuses too.

This was my primary concern.

Bernhard

---

Thanks everyone, I have found and applied the patch.
It's presently recompiling, I will report the results.

Robert.