[sllug-members]: SLES clock drift

Rusty Keele rusty.keele at yahoo.com
Thu Sep 6 08:28:18 MDT 2007


Marc Christensen <marc at sllug.org> wrote:
This is a known issue.  Try adding 'clock=pit' to the kernel command 
line (usually in grub's menu.lst or in lilo.conf).  That solved my clock 
drift problems.  Also, make sure you're running ntp client to make up 
any smaller differences that may still be there.



Thanks Marc,

    That seemed to do the trick!  Both suggestions were easy to implement using YaST - one of the reasons I love SuSE Linux.  Setting clock=pit cut the drift down to just a few seconds per day, and the ntp daemon fixed the rest.
    That link to Microsoft's support page (that Scott posted) had a great explanation as to why this occurs in the 2.6 kernel, why virtual machines are affected more than physical machines and what the clock options are.  ( http://support.microsoft.com/kb/918461 )  

    Thanks for everyone's help.

-Rusty

  
       
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