I had a similar problem with the system clock and I used
chronyd to fix it. 
http://chrony.sunsite.dk/faq.php#question_2.1

It also supposed to slew the clock to the right setting instead
of just changing it.

Regards,
        tzahi.

> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Oron Peled
> Sent: Monday, February 21, 2005 4:43 PM
> To: Danny Lieberman
> Cc: Gilad Ben-Yossef; Tzafrir Cohen; Linux-Israel list
> Subject: Re: system clock loops
> 
> 
> On Monday 21 February 2005 15:51, Danny Lieberman wrote:
> > It sounds to me like a case of a very sick realtime clock - 
> maybe the
> > motherboard is sensitive to voltage fluctuations - i think 
> the clock 
> > might be a vco
> 
> The RTC has nothing to do with kernel time after boot. It is 
> only used to initialize the kernel internal clock which is 
> updated by the PIC interrupts (And there isn't an 
> "Uninterrupt" which can swing the "jiffies" counter backwards :-)
> 
> > Are you using ntpd?  If not - I would try running ntpd and 
> see if the
> > problem goes away
> 
> ntpd won't sync a clock when the offset is large. However, 
> doing a one time ntpdate(8) may give us more information.
> 
> Regretfully, it does look like a severe kernel/glibc bug.
> 
> -- 
> Oron Peled                             Voice/Fax: +972-4-8228492
> [EMAIL PROTECTED]                  http://www.actcom.co.il/~oron
> ICQ UIN: 16527398
> 
> He who sacrifices functionality for ease of use
> Loses both and deserves neither
> 
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