Re: Can one suppress breaks on PM11 powerup?

Allen Pomeroy (apomeroy@spinnakertech.com)
Sat, 16 Aug 1997 14:56:49 -0600

At 15:27 16/08/97 -0500, you wrote:
>On Sat, 16 Aug 1997, Allen Pomeroy wrote:
>

>
>> >Answer me this... What problem is it causing for you?
>>
>> Sorry, I should have been more verbose in my original post;
>> the problem is that a Sparc piece of equipment treats a
>> break signal from the console port as a user's request to
>> drop into EPROM code (eg. temporarily halting the system).
>> On a PM11 boot, all Sparcs that are connected to that PM11
>> will receive a break at their console ports (and drop into
>> the EPROM monitor).
>
>Why do you have to boot the pm 11? If you DO unplug the cables, then BOOT,
>THEN plug the cables back in.

That's what I do now, but how do you handle a power failure/restore
cycle on the PM11 then? The solution to this point has been to
install a separate UPS for the PM11 (our computer room is 60,000sq ft,
and it all runs on a UPS -- prone to zone failures).

>> This specific topic could be a question for the Sun lists,
>> but if I can get the PM11 to stop generating breaks on boot,
>> then the problem is solved.
>
>I dont think you will be able to. Experiment with turning OFF modem
>control, turn off security.

Will do, likely tomorrow morning ;-)

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Allen Pomeroy apomeroy@spinnakertech.com
Spinnaker Technologies 403-296-6604
Calgary, Alberta, Canada http://www.spots.ab.ca/~apomeroy

Solaris, HP/UX, AIX, Linux, Oracle System Support -- especially
if there's a sailboat involved...
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