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MA46642 - LIC-OTHER-WAIT IO REQUEST LEFT UNPROCESSED AFTER DISK ERRORS

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 APAR (Authorized Program Analysis Report)

Abstract

LIC-OTHER-WAIT IO REQUEST LEFT UNPROCESSED AFTER DISK ERRORS

Error Description

An I/O request can be left on an error queue after processing  
several unit attentions.                                        
                                                               
Service Keywords:                                              
Wait on SAR Fault                                              
Disk Unit involved in the SAR Fault shows as Operational.      

Problem Summary

****************************************************************
* PROBLEM: (MA46642) Licensed Program = 5770999 for i 7.2 and  *
*                                       i 7.3                  *
*           Crash/Hang Requiring an IPL to Recover             *
*           Severe Performance Degredation                     *
****************************************************************
* USERS AFFECTED: All IBM i operating system users.            *
****************************************************************
* RECOMMENDATION: Apply LIC PTF MF64194 for i 7.2.             *
*                 Apply LIC PTF MF64195 for i 7.3.             *
****************************************************************
An I/O request can be left on an error queue after processing  
several unit attentions.                                        
                                                               
Service Keywords:                                              
Wait on SAR Fault                                              
Disk Unit involved in the SAR Fault shows as Operational.      

Problem Conclusion

Code will be added to insure all I/O error recovery is completed
before returning to Operational state following state change    
notifications.                                                  

Temporary Fix

                       *********                                
                       * HIPER *                                
                       *********                                

Comments

Circumvention


PTFs Available

R720 MF64194 PTF Cover Letter   8032
R730 MF64195 PTF Cover Letter   8025

Affected Modules

         
         

Affected Publications

Summary Information

Status............................................ CLOSED PER
HIPER........................................... Yes
Component.................................. 9400DG300
Failing Module.......................... RCHMGR
Reported Release................... R720
Duplicate Of..............................




System i Support

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Document Information

Modified date:
17 March 2018