[ntp:hackers] I/O

David L. Mills mills at udel.edu
Tue Feb 15 09:11:17 PST 2005


On one of my two "identical" Freebies the refclock I/O hangs in a lop; 
on the other it acts like Solaris. I discover on Solaris no loop, but 
apparently some I/O is being lost. What happens is that I/O timecodes 
get bottled up in buffers somewhere, but not delivered to the clock 
drivers. The drivers expect one timecode line each second, but only 
about one per minute show up and the rest are bufferened. After awhile 
the data get very old and the driver delivers broken updates. This began 
happening only recently. All the code I'm running is from Danny's most 


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