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

[Andrew Morton <akpm@osdl.org>]

Marc Perkel <marc@perkel.com> 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.