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MF64461 - LIC-DISK-OTHER-SRCB6005121-UNPRED RECOVERY RECURSION AFTER M

PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-DISK-OTHER-SRCB6005121-UNPRED RECOVERY RECURSION AFTER M


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
TR   5770999  V7R3M0    MF99204   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

-----------------------------------------------
System terminated with srcB6005121. Further analysis shows that
there were multiple disk connection and channel interface HW
errors at the time of the failure, and that the recovery code
path eventually resulted in a stack overflow.
Failing SRCs:
word 1: B6005121 srcB6005121
word 3: 0002000A src0002000A
word 4: 00100011 src00100011

Additional Keywords:
IoHwDevDasdScsi
IoHwDevDasdScsiExternal
IoDdErrActionRetry
IoDdErrHndlrScsiExternal

CORRECTION FOR APAR MA46787 :
-----------------------------
The failing behavior involved an alternating series of storage
network data transfer errors followed by storage device state
changes. The recovery handling of these alternating errors
resulted in an attempt to extend beyond the end of the allocated
stack space.  A change will be made to handle this recovery
within the available stack space.

CIRCUMVENTION FOR APAR MA46787 :
--------------------------------
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
--------------  ------------------------------------------------------------
     NONE

Summary Information

System.............................. i
Models..............................
Release............................. V7R3M0
Licensed Program............... 5770999
APAR Fixed.......................... View details for APAR MA46787
Superseded by:...................... View fix details for PTF MF99206
Recompile........................... N
Library............................. QSYS
MRI Feature ........................ NONE
Cum Level........................... C8242730


System i Support

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Document information

More support for: i family

Software version: V7R3M0

Operating system(s): OS/400

Reference #: MF64461

Modified date: 31 January 2018