[ntp:questions] Sudden drop in frequency after software update
Rob van der Putten
rob at sput.nl
Mon Jan 19 15:41:45 UTC 2009
Hi there
Adam Myrow wrote:
> It would be interesting to know what kernel version those who are having
> trouble with unstable drift in Linux are using. I am using kernel
> 2.6.27.7,
2.6.26
> and it is very stable, varying no more than 5 PPM, even across
> reboots. It should be noted that I rebuilt my kernel with the timer
> frequency set to 100HZ,
It's 250. Timekeeping is not a primary concern on this box.
> and made sure that dynamic ticks was disabled.
> This seems to produce the lowest drift values.
I can't find that option.
> In an older 2.6 kernel,
> I noticed the drift rate jumping all over the place as described.
> However, it appears that this may have finally been fixed.
It's pretty stable except for this perticular reboot on this perticular box.
Regards,
Rob
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