On: Mon, Apr 14, 2008 at 12:13:15PM -0400,David Boyes Wrote:

} > Not really.  We had a user logon to a z/Linux guest and hit <PA1>
} > instead of <PA2> and left it sit there too long.  I wanted to prevent
} > hitting <PA1> putting it into CP READ.  OPTION CONCEAL might be a too
} > powerful hammer.
} 
} Sounds like it. OPTION CONCEAL was really designed for CMS machines that
} were supposed to be running captive applications dealing primarily with
} R/O data or IUCV connections to a server to perform operations on data
} (kind of an early stab at kiosks). Any attempt to break out of the app
} was supposed to trigger an instant restart with storage clear of the
} virtual machine so that you kept the user in the padded box. Not what
} you really want to happen to a (potentially) multiuser guest OS with
} cached data in memory. 
} 
} I think Rich is probably right -- SET RUN ON is in general probably what
} you want. If someone hits PA1, then I'm not sure there's any way to
} intercept that w/o doing something really ugly to the system as a whole.

Thanks Dave.  AFAIK, the only way for Linux (or whatever is running in
that V.M.) to catch a PA1 is to be running the console as a 3270 and
catch the interrupt and get the AID.

} Correcting the problem between the terminal and the chair is probably
} cheaper... and much more entertaining for the system staff...8-)

Yup, the old PEBKAC problem.  :-)

-- 
Rich Greenberg  N Ft Myers, FL, USA richgr atsign panix.com  + 1 239 543 1353
Eastern time.  N6LRT  I speak for myself & my dogs only.    VM'er since CP-67
Canines:Val, Red, Shasta & Casey (RIP), Red & Zero, Siberians  Owner:Chinook-L
Retired at the beach                                     Asst Owner:Sibernet-L

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