Re: AMD Quad Core clock problem?

From: Lennart Sorensen
Date: Fri Apr 11 2008 - 17:38:52 EST


On Fri, Apr 11, 2008 at 02:36:31PM -0700, Marc Perkel wrote:
> No - it's not wild like it was back in the early X2
> days and I think you're right about the drift being
> normal. Interesting thing though I am running ntpd and
> it's not working. I am fairly sure the ntp.conf file
> is exactly as it was installed by fedora. I'm now
> looking into that.
>
> Thanks for your help. Sorry for the false alarm. But
> if thee was an issue I thought you would want to know
> it.

I have found that ntp tends to fail to work on any machine with spread
spectrum clocking enabled. On those machines disabling spread specturm
in the BIOS seems to fix it. I had to update the BIOS on one machine to
even get the option to disable it though.

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