This may sound cheesy, but it seems to me all one needs to do is:
1) have Autostart/iX turned on.
2) Run an old CSL program which will you know will cause a system crash,
like a really old version of DIRK, for example.
> -----Original Message-----
> From: HP-3000 Systems Discussion
> [mailto:[log in to unmask]] On Behalf Of John K.
> Sent: Thursday, March 27, 2008 1:57 AM
> To: [log in to unmask]
> Subject: Re: [HP3000-L] Unexpected boot on HP3000
>
> Once upon a time (on the "Classic" systems) there was a machine
> instruction which would cause an immediate warmstart or coolstart
> (and maybe additional options, but I'd have to check the old
> "Classic" machine instruction set manual).
>
> I worked on a government project with a few dozen HP3000s scattered
> around the globe that were often unattended, and that machine
> instruction came in very handy as I could remotely reboot a
> system when needed.
>
> I don't know if that "Classic" code would work on an iX box. Maybe
> Stan would know.
>
> John
>
> At 2008-03-26 09:01 PM, Hawkins, Jim (HP, MPE/iX Lab) wrote:
> >Jeff wrote:
> > >There was, at some point in the 3000s history, a facility
> for automatic
> > >recovery from a system failure (Easytime? Autoboot?).
> >
> >AUTORESTART/iX
> >ISL> start -R
> >-R turns system aborts from an infinite loop displaying "Bxxx DEAD
> >xxxx" into a poke of a magic address which causes the equivalent of
> >a "Control B (GSP)>TC".
> >You then need an AUTOBOOT flag set to do an automatic "main> bo pri"
> >or equivalent.
> >Then IF you have AUTOBOOT file configured (via SYSGEN) the ISL can
> >read commands out of in (like DUMP and START -R RECOVERY) and
> >possibly get back to the MPE colon prompt. . .
> >
> >UPS Monitor:
> >Will call preventative system abort if you're on battery and the
> >battery is near death.
> >UPS Monitor actually clears the -R flag to protect you from trying
> >to reboot with little remaining power.
> >
> >PDC (PA-RISC Processor Dependent Code):
> >As Craig mentions some HPMCs seem to cause "TC" or "RS" like
> >behavior. Without autoboot flag and AUTOBOOT you should get stuck
> >in the pre-ISL steps of boot-up.
> >
> >
> >Jim
> >
> >-----Original Message-----
> >From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On
> >Behalf Of Jeff Kell
> >Sent: Wednesday, March 26, 2008 4:54 PM
> >To: [log in to unmask]
> >Subject: Re: [HP3000-L] Unexpected boot on HP3000
> >
> >Herb Statham wrote:
> > > Has anyone on the list gone through an "automatic" boot
> on a HP3000 box
> > > before? If so, were you able to identify what caused the
> machine to
> > > reboot itself? Our HP3000 is a 959-KS400 running MPE6.5
> power patch
> > > level 2.
> >
> >There was, at some point in the 3000s history, a facility
> for automatic
> >recovery from a system failure (Easytime? Autoboot?). It would dump
> >memory to disk, and reboot itself. But this was generally
> propagated by
> >a system failure.
> >
> >Did the system completely reboot, or pause at an ISL prompt?
> >
> >It sounds suspiciously like a power failure at the main processor, or
> >some other "reset" (certain hardware machine checks) that
> initiated the
> >hard reset.
> >
> >Jeff
> >
> >* To join/leave the list, search archives, change list settings, *
> >* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
> >
> >* To join/leave the list, search archives, change list settings, *
> >* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
> >
> >
> >--
> >No virus found in this incoming message.
> >Checked by AVG.
> >Version: 7.5.519 / Virus Database: 269.22.0/1343 - Release Date:
> >2008-03-25 07:17 PM
>
>
> John
> *** When replying to this message, please do not delete these ***
> *** signature lines. Otakon Katsucon HP3000-L @classiccmp.org ***
> *** DigitalCosplay.com JohnKorbPhoto.com ***
>
> * To join/leave the list, search archives, change list settings, *
> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>
* To join/leave the list, search archives, change list settings, *
* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
|