A fix is available
APAR status
Closed as program error.
Error description
Applications using IOCP may crash the system or lead to an application hang in GetMultipleCompletionStatus() routine.
Local fix
1. Stay at 5.3 TL10 or below or 2. Do not activate IOCP.
Problem summary
**************************************************************** * USERS AFFECTED: * Users of IOCP on AIX 5.3 Technology Level 11. **************************************************************** * PROBLEM DESCRIPTION: * Applications using IOCP may crash the system or lead to a * system hang in the GetMultipleCompletionStatus() routine. * This is known to affect DB2 with IOCP activated. **************************************************************** * RECOMMENDATION: * Install APAR IZ76228. ****************************************************************
Problem conclusion
Properly initialize AIO/IOCP requests with iocfd for correct post I/O processing.
Temporary fix
********* * HIPER * *********
Comments
APAR Information
APAR number
IZ76228
Reported component name
AIX 5.3
Reported component ID
5765G0300
Reported release
530
Status
CLOSED PER
PE
NoPE
HIPER
YesHIPER
Submitted date
2010-05-19
Closed date
2010-05-19
Last modified date
2013-03-28
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
AIX 5.3
Fixed component ID
5765G0300
Applicable component levels
R530 PSY U837539
UP10/09/20 I 1000
PTF to Fileset Mapping
U837539 bos.iocp.rte 5.3.12.1
[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11P","label":"APARs - AIX 5.3 environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"530","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
28 March 2013