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SubjectRe: 2.6.16-rc2 powerpc timestamp skew
On Sun, Feb 12, 2006 at 05:13:50PM +0000, Roger Leigh wrote:
> Hi folks,
> When running a 2.6.16-rc2 kernel on a powerpc system (Mac Mini;
> Freescale 7447A):
>
> $ date && touch f && ls -l f && rm -f f && date
> Sun Feb 12 12:20:14 GMT 2006
> -rw-r--r-- 1 rleigh rleigh 0 2006-02-12 12:23
> Sun Feb 12 12:20:14 GMT 2006
>
> Notice the timestamp is 3 minutes in the future compared with the
> system time. "make" is not a very happy bunny running on this kernel
> due to every touched file being 3 minutes in the future.
>
> When the same command is run on 2.6.15.3:
>
> $ date && touch f && ls -l f && rm -f f && date
> Sun Feb 12 14:27:27 GMT 2006
> -rw-r--r-- 1 rleigh rleigh 0 2006-02-12 14:27
> Sun Feb 12 14:27:27 GMT 2006
>
> In this case the times are identical, as you would expect.
>
> In both these cases, the chrony NTP daemon is running, if that might
> be a problem.

I don't know whether it is reloated, but since I installed
a 2.6.16-rc2 kernel on my G4/466, I have log messages
that claim that the clock error rate is too large for NTP
to correct (larger than 512ppm).

Gabriel
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