[Simh] MicroVAX 3900 simulator fails BIST sometimes?

[Alan Frisbie]

So I'm not alone!   I have seen the same thing, but since it
wasn't causing me any problems I didn't bother reporting it.

Alan Frisbie

On 06/23/2018 11:55 AM, Mark Pizzolato wrote:
 > This problem is not unique to you.  I have not been able to
 > reproduce the problem with enough debug information to track
 > down the details of the cause.  The problem report relates
 > to the boot ROM’s internal clock/timer diagnostic.  In all
 > of my test cases, with debug information being gathered,
 > Heisenberg effects mean that the problem is never seen.

 > Robert Armstrong wrote
 > > I’ve found that on occasion the MicroVAX 3900 simh will fail
 > > the built in self test.   Just to be clear, this is the self
 > > test that’s in the MicroVAX-III EPROM image that’s failing;
 > > it’s not VMS.