Nathan Astle wrote:
Hello,

I did applied some maintenance to my sandbox system. When i loaded with the
LPAR with the new address.

i got the below message in the HMC,

Central processor (CP) 0 is looping due to switching between program status
words (PSWs) that are not valid. The program status word (PSW) is
0000000000000000.

The IPLTEXT was not written to the newly cloned RES Volume. Could that be a
reason ?


I am not getting a correct explanation about x'000' on my search about the
above PSW in MVS manual codes.

Any suggestions ?

z/OS 1.11
<snip>

I think (but have not tested that) you should get a 00F wait if you try to IPL from a volume with no IPL text. However, the IPL text--at the level matching the system you are trying to IPL--is required to IPL. If you never wrote it to the IPL volume the IPL will fail.

--
John Eells
IBM Poughkeepsie
ee...@us.ibm.com

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