Re: Lost Ticks - TSC Timer - AMD 64 X2 Processor - What's up withthat?

From: Andrew Morton
Date: Wed Sep 21 2005 - 01:23:27 EST


Marc Perkel <marc@xxxxxxxxxx> wrote:
>
> Having timer problems. About to head to the data center to try different
> things to get this server to work right. Losing ticks and clock is all
> over the place and doing obscene things to keep it almost on track - but
> I really need a solution.
>
> Running 2.6.13.1 Kernel - FC4 Linux - Asus Motherboard - A8N-SLI
> Premium. Athlon X2 4400+ with 4 gigs of ram and it uses some sort of
> memory remapping to use the full 4 gigs.
>
> I don't understand all the different timers. There's TSC and PM and what
> else?
>
> Someone suggested "notsc" which I will try when I get there. But -
> looking for a list of other things to try as well. I have flashed the
> latest BIOS.
>
> I'm thinking about giving up and going back to DOS. I didn't have these
> problem with DOS - and DOS boots faster. ;)
>
> Tell me about all these timers - what are my choices - and what is most
> likely to actually work.
>

Grab a coffee, go read http://bugzilla.kernel.org/show_bug.cgi?id=5105

Using "clock=pit" might help.
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