[Simh] error

[lists at openmailbox.org]

On Tue, 9 Feb 2016 13:58:59 -0800
Mark Pizzolato <Mark at infocomm.com> wrote:

> You may recall that older computers didn't have a way to programmatically
> power themselves down.
> 
> VMS is one of those systems.
> 
> When you shutdown a VMS system it closes all files and cleans up
> everything going on in the operating system then it displays a message
> which says something like "SYSTEM SHUTDOWN COMPLETE - USE THE CONSOLE TO
> HALT THE SYSTEM" and then it goes into an infinite loop with interrupts
> disabled.  The simulator detects this condition which will never produce
> useful results from the simulated system again without operator
> intervention and allows you to do that.
> 
> Would you want it to behave differently?

Personally, no. When I shutdown VMS and I get back to a SIMH prompt that
tells me everything happened the way I wanted/expected. I quit from SIMH
and all is well.

> 
> From: Simh [mailto:simh-bounces at trailing-edge.com] On Behalf Of Bill
> Cunningham Sent: Tuesday, February 9, 2016 1:46 PM
> To: simh at trailing-edge.com
> Subject: [Simh] error
> 
>     After using shutdown on my virtual VMS, it dropped to the simh prompt
> and had this error.
> 
> Infinite loop, PC833DC8D3 (BRB ...)
> and the same hex number were the ... is. What does that mean?
> 
> Bill
>