Re: [CentOS] kernel: Your time source seems to be instable or some driver is hogging interupts

[Daniel de Kok <danieldk@xxxxxxxxx>]

On Fri, 2006-06-02 at 22:14 -0500, Erick Perez wrote:
> Being a no-programer but more a sysadmin....Can someone explain to me
> how to change this in an INTEL motherboard  D945GNT with a Pentium D
> (dual core) ?

To test kernel parameters, it is best to try the parameter for one boot
first. The following page describes how you can add an extra boot option
from the GRUB boot loader menu (read the "Menu Entry Editor Interface"
section):

http://www.centos.org/docs/4/html/rhel-rg-en-4/s1-grub-interfaces.html

So, you can edit the entry for your default kernel by selecting it from
the GRUB menu, and pressing 'e'. Then edit the "kernel" line with 'e',
and add:

clock=pmtmr

and if that doesn't help, add

clock=pit

If one of these parameters solve your problem, you can permanently
change the GRUB configuration to boot the kernel with this parameter by
modifying /boot/grub/menu.list. This page describes that file:

http://www.centos.org/docs/4/html/rhel-rg-en-4/s1-grub-configfile.html

In menu.lst, you can add the parameter to the "kernel" stanza for your
default kernel.

-- Daniel

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