Re: 2.6.16-rc2 powerpc timestamp skew

From: Mikael Pettersson
Date: Wed Feb 15 2006 - 06:59:18 EST

Paul Mackerras writes:
> Benjamin Herrenschmidt writes:
> > Ok, does not using NTP fixes it ?
> Try this patch. With this the values from gettimeofday() or the VDSO
> should stay exactly in sync with xtime even if NTP is adjusting the
> clock.
> This patch still has quite a few debugging printks in it, so it's not
> final by any means. I'll be interested to hear how it goes, and in
> particular whether or not you see any "oops, time got ahead" messages.

This patch fixed the clock skew issues (warnings from 'make' while
building new kernels) my G4 eMac has been having since about 2.6.15.
User-space is YDL4.0 and ntpd is used to maintain a correct clock.

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