Re: System time warping around real time problem - please help

From: Tim Schmielau (tim@physik3.uni-rostock.de)
Date: Tue Mar 25 2003 - 12:17:05 EST


On Tue, 25 Mar 2003, Richard B. Johnson wrote:

> On Tue, 25 Mar 2003, Fionn Behrens wrote:
>
> > I have got an increasingly annoying problem with our fairly new (fall
> > '02) Dual Athlon2k+ Gigabyte 7dpxdw linux system running 2.4.20.
> > The only kernel patch applied is Alan Cox's ptrace patch.
> >
>
[...]
> If this shows time jumping around you have one of either:
>
> (1) Bad timer channel 0 chip (PIT).
> (2) Some daemon trying to sync time with another system.
> (3) You are traveling too close to the speed of light.

(4) Unsync'ed TSCs?

See help text for CONFIG_X86_TSC_DISABLE. Never had this problem
myself, though.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Mar 31 2003 - 22:00:20 EST