APAR Identifier ...... OA26225 Last Changed ........ 08/08/21
VARYCPU MANAGEMENT DISABLED WHEN RUNNING ON A Z9 AND
SPECIFYING
HIPERDISPATCH=YES
Symptom ...... IN INCORROUT Status ........... INTRAN
Severity ................... 2 Date Closed .........
Component .......... 5752SC1CX Duplicate of ........
Reported Release ......... 730 Fixed Release ............
Component Name 5752 SYS RSRCE Special Notice
Current Target Date .. Flags
SCP ...................
Platform ............
Status Detail: Not Available
PE PTF List:
PTF List:
Parent APAR:
Child APAR list:
ERROR DESCRIPTION:
When running on a z9 and specifying in the IEAOPTxx parmlib
member HIPERDISPATCH=YES and VARYCPU=YES (or the default of
VARYCPU=YES is taken), vary cpu management is disabled.
When running on z9 hardware Hiperdispatch is not possible, so
IRABAINI will not enable Hiperdispatch, but it also does not
re-enable vary cpu management.
LOCAL FIX:
When running on a z9, do not specifiy HIPERDISPATCH=YES in
the IEAOPTxx parmlib member
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