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MF68066 - Deadlock in I/O Communication with 4767 Cryptographic Adapte

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


Order this fix

Abstract

Deadlock in I/O Communication with 4767 Cryptographic Adapte


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
TR   5770999  V7R2M0    MF99109   00/00    0000



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

-------------------------------------------------
The Hardware Service Manager "Reinitialize Flash Memory" task
never completes on a 4767 Cryptographic adapter.

CORRECTION FOR APAR 'MA48743' :
-------------------------------
The device driver for the 4767 cryptographic adapter had a
re-entrant issue with the Hardware Service Manager "Reinitialize
Flash Memory" tool where it would cause the device driver to
vary off on a device driver task resulting in a deadlock.  The
device driver has been changed to do client callbacks on a
separate task avoiding the deadlock issue.

CIRCUMVENTION FOR APAR 'MA48743' :
----------------------------------
None.


Activation Instructions

None.




Special Instructions

********************************************************************
THE FOLLOWING ARE SUPERSEDED SPECIAL INSTRUCTIONS. IF THE SUPERSEDED
PTF HAS ALREADY BEEN APPLIED AND ITS SPECIAL INSTRUCTION FOLLOWED,
IT IS NOT NECESSARY TO FOLLOW THAT SPECIAL INSTRUCTION AGAIN.
********************************************************************

After the fix has been applied or removed in immediate mode, all device
descriptions associated with 4767 devices should be varied off and back
on to fully apply or remove the fix.  The WRKHDWRSC *CRP command can be
used to work with cryptographic resources on the system.  The WRKCFGSTS
*DEV *CRP command can be used to work with cryptographic device
descriptions and vary them off and on.


Default Instructions

THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF67446      LIC-INCORROUT CRYPTOGRAPHIC ADAPTER WITH CCIN 4767 HANGS IN
   MF67021      OSP-UNPRED JOBS HUNG IN MODULE CRYPTODATAMGR WITH CCIN 4767
   MF66950      IPL-MSGCPD27D2 DEVICE CRP01 VARY ON FAILED. THE DEVICE RESOU
   MF65636      LIC-INCORROUT CRYPTOGRAPHIC ADAPTER WITH CCIN 4767 GOES TO F

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA48743
Superseded by:......................View fix details for PTF MF68190
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C1084720


IBM i Support

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Document Information

Modified date:
17 April 2021