what is 'jump to 0' is it trouble?

[alan at drivax.UUCP]

I think that this is due to a hardware problem. Something like
a device signaling an interrupt, but not supplying a vector. But
I am not a PDP-11 expert.
-- 
---------------------
Alan Fargusson.

{ ihnp4, sftig, amdahl, ucscc, ucbvax!unisoft }!drivax!alan