Re: Time Fast on SMP

On Thu, 05 Jan 2006 01:33:02 -0500 Lee Trager wrote:

> I recently upgraded from an AMD 3500+ to an AMD X2 4400(dual core thus 
> SMP). After a couple of hours of use I noticed that the system clock was 
> going fast, I did some googling and found some boot options to add to my 
> kernel in order to make it go away(currently notsc no_timer_check=0). 
> While both of those help it seems that my system time does get faster 
> and faster when I do CPU intensive stuff such as compiling and gaming. 
> This problem appears on both 2.6.14 and 2.6.15. Ive looked all over for 
> patches and other fixes but ive found nothing that will fix this, Im not 
> sure if this is a kernel bug or not so I posted here to see if anyone 
> could help me before I report it. Could someone please help me?

I don't know if it is relevant for your system, but this was
just discussed on lkml today.  There is a patch that may or
may not help you:
  http://lkml.org/lkml/2005/11/24/188

and another kernel boot option:
  disable_timer_pin_1
that someone suggested could help.

---
~Randy