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MF65693 - LIC-UNPRED Unpredictable results for address space adopt

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-UNPRED Unpredictable results for address space adopt


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
NONE



NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
use system memory addresses not generated by the IBM translator,
including programs that circumvent control technology designed to limit
interactive capacity to purchased levels.  This PTF may be a prerequisite
for future PTFs.  By applying this PTF you authorize and agree to the
foregoing.

This PTF is subject to the terms of the 'IBM License Agreement for Machine
Code', the terms of which were provided in a printed document that was
delivered with the machine.

SUBJECT TO ANY WARRANTIES WHICH CAN NOT BE EXCLUDED OR EXCEPT AS EXPLICITLY
AGREED TO IN THE APPLICABLE LICENSE AGREEMENT OR AN APPLICABLE SUPPORT
AGREEMENT, IBM MAKES NO WARRANTIES OR CONDITIONS EITHER EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON INFRINGEMENT,
REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
Unpredictable results can occur for some LIC operations that
adopt the address space of another task (to use Teraspace or
PASE memory owned by the other task).  Errors may occur if LIC
client code provides an invalid task address, or if the task
that owns the address space terminates during adopt processing

CORRECTION FOR APAR MA47486 :
-----------------------------
LIC functions to adopt the address space of another task are
changed to validate the task address argument and mark that task
to prevent termination until the critical part of adopt
processing completes

CIRCUMVENTION FOR APAR MA47486 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS IS A DELAYED PTF TO BE APPLIED AT IPL TIME.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF61119      IPL-WAIT Add logging for MSD IPL
   MF59888      LIC-OTHER-SRCB6005121-UNPRED SRCB6005121 SMHSREFERENCECOUNTE
   MF59888      LIC-DISK-OTHER-SRCB6000305-UNPRED B6000305 EXPERIENCED DURIN

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA47486
Superseded by:......................View fix details for PTF MF68280
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C9123720


IBM i Support

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Document Information

Modified date:
14 April 2021