> Peter Relson wrote:
> > Dreaming, I'm afraid, Ed.
> >
> > If "storage protect override" exists on the machine, the PKM will
start
> as
> > tcbkey+key9 and will be maintained that way.
> > If id does not exist, it would start as just tcbkey and stay that
way.
> >
> 
> I searched the archives to see if this had been discussed previously.
> Amazingly, I found this Jan 2002 post from Chris Craddock
> http://bama.ua.edu/cgi-bin/wa?A2=ind0201&L=ibm-main&P=R109234&I=1 in
> which he wrote:
> 
> "BTW: little known fact, if you have an abend in a key 8 task and your
> ESTAE recovers, you will find you have been gifted with a key 9 bit in
> your PKM by RTM. Don't see any particular use for that, but I bet CICS
> finds it handy."
> 
> I guess Chris and I both had the same dream. Weird!

Double weird! I could -swear- there were words to that effect in the
"Providing Recovery" topic in the Assembler Services Guide, but a quick
scan of the newest and oldest (z/OS 1.1) versions of those books online
comes up dry on that account. Unfortunately I just threw out my old
hardcopy versions from the MVS days so I have no way to disprove it. 

It may be the case that I'm just having a senior moment, but I would
also -swear- I used to see lots of X'0080' PKMs in SVC dumps. A PKM with
both key 8 and 9 would have shown up as X'00C0'.

Color me astonished.

CC

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