[ntp:questions] Re: ntp sanity limit kills ntp daily

Allen McIntosh nospam at mouse-potato.com
Sat May 21 13:16:08 UTC 2005


>     Does anyone have any more in-depth information on the issue of 
> hdparm settings causing massive loss of interrupts like this?

Personal experience.  When I burn a CD, my machine loses serial 
interrupts, and NTP claims to have lost sync.  When I complained about 
this on c.p.t.ntp, someone suggested looking at hdparm, and sure enough 
unmasking made the problem go away.  Now, the clock loss was not nearly 
as massive (say 5 minutes from burning 3-4 CD's), but I still think it's 
something the OP should pursue.



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