[ntp:questions] best gps receiver for time synchronization

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Mon May 11 15:54:46 UTC 2009

In article <c4OdnQpbdb1STirUnZ2dnUVZ_tHinZ2d at giganews.com>,
 "Richard B. Gilbert" <rgilbert88 at comcast.net> writes:

>ISTR that there have been previous references in this newsgroup. 
>Specifically, EIDE disk drivers can mask or disable interrupts  for a 
>period long enough  to cause a "lost tick".  I believe the group is 
>archived somewhere. . . .

Old old old versions of Red Hat shipped with DMA disabled
on disks.  With enough disk activity you could miss ticks.
It was trivial to provoke.

These are my opinions, not necessarily my employer's.  I hate spam.

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