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SE28113 - MQM400 JOBS NOT ENDED AFTER SHUTDOWN OF MQ V6 QUEUE MANAGER

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 APAR (Authorized Program Analysis Report)

Abstract

MQM400 JOBS NOT ENDED AFTER SHUTDOWN OF MQ V6 QUEUE MANAGER

Error Description

Hang in ENDMQM on V6. The following jobs remain active -        
AMQALMPX, AMQZMGR0, AMQZXMA0 and RUNMQLSR.                      

Problem Summary

****************************************************************
USERS AFFECTED:                                                
Ending queue managers in WMQ V6.                                
                                                               
Platforms affected:                                            
 All Distributed (iSeries, all Unix and Windows)                
****************************************************************
PROBLEM SUMMARY:                                                
During ENDMQM there is possibility of request chain list        
getting corrupted when MQ cannot get semaphore within 10        
seconds. An incorrect return code was processed which led to the
hang.                                                          
                                                               
Call stack of AMQZXMA0 shows following:-                        
                                                               
AMQZXMA0   QMQM  AMQZXMA0_R QMQM             _C_pep            
AMQZXMA0   QMQM  AMQZXMA0_R QMQM  0000000588 main              
LIBMQMLZ_R QMQM  AMQZLLA0_R QMQM  0000000092                    
zllUtilMgrCheckShutdownPhase                                    

Problem Conclusion

Changes were carried out to ensure the correct return code is  
processed and the jobs end correctly.                          
                                                               
---------------------------------------------------------------
The fix is targeted for delivery in the following PTFs:        
                                                               
                   v6.0                                        
Platform           Fix Pack 6.0.2.2                            
--------           --------------------                        
Windows            U200270                                      
AIX                U809895                                      
HP-UX (PA-RISC)    U809898                                      
HP-UX (Itanium)    U810084                                      
Solaris (SPARC)    U809913                                      
Solaris (x86-64)   U810362                                      
iSeries            SI27286                                      
Linux (x86)        U809950                                      
Linux (x86-64)     U810178                                      
Linux (zSeries)    U810081                                      
Linux (Power)      U810083                                      
Linux (s390x)      U810110                                      
                                                               
The latest available maintenance can be obtained from          
'WebSphere MQ Recommended Fixes'                                
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
                                                               
If the maintenance level is not yet available, information on  
its planned availability can be found in 'WebSphere MQ          
Planned Maintenance Release Dates'                              
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
---------------------------------------------------------------

Temporary Fix

Comments

Circumvention


None                                                            

PTFs Available

R600 SI47898 PTF Cover Letter   1000

Affected Modules

         
         

Affected Publications

Summary Information

Status............................................ CLOSED PER
HIPER........................................... No
Component.................................. 5724H7206
Failing Module.......................... RCHMGR
Reported Release................... R600
Duplicate Of..............................




System i Support

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Document Information

Modified date:
11 December 2012