Wanted: info on Comtal Vision One/20 vs. Unibus devices on VAX UNIX

ado at elsie.UUCP ado at elsie.UUCP
Mon Feb 23 03:07:44 AEST 1987


A researcher who also has a Comtal Vision One/20 sent me a note reading in part:

> We're running. . .on a VAX 11/780 under 4.2bsd. . .
> . . .from time to time we experience some serious 
> side-effects with image transfers to and from our Comtal.  (Hung 
> processes, locked DMF-32, and even an occasional corrupted file system.)
> Comtal's best advice is to add a separate UBA for the Comtal
> interface, a solution that's a bit beyond our budget.  Can you put
> me in touch with some users with similar installations who may
> have resolved the problems we're having?

We don't have such problems here at elsie--but it's different software and
hardware (More/bsd 4.3 on an 11/750; not much on the UBA, for example, no
UDA50).  So I'll pass the question on:  has anyone out there
resolved the problems the researcher is having?  If so, or even if you're
simply have a UNIX-VAX-Comtal system, I'd appreciate hearing from you.
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