Grand Pauses in 4.3 on 750s

[Stephen J. Hartley]

> At Princeton University, we are experiencing a problem that we cannot
> explain.  Every so often the 4.3 750s experience momentary grand pauses
> when not even characters are echoed by those machines.

We have had similar problems with our 4.3 BSD VAX 750 and 780, although it seems
to happen only once or twice a month.  We have had to reboot to recover from
the "grand pause".  We have not a clue to the cause of the problem.