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MA43923 - LIC-SRCB6000103-INCORROUT LPAR CRASHES DURING NORMAL OPERATIONS

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 APAR (Authorized Program Analysis Report)

Abstract

LIC-SRCB6000103-INCORROUT LPAR CRASHES DURING NORMAL OPERATIONS

Error Description

Task level interrupt handling blocks trying to switch stacks    
while interrupts are disabled.                                  

Problem Summary

****************************************************************
* PROBLEM: (MA43923) Licensed Program = 5770999 for i 7.1 and  *
*                                       i 7.2                  *
*           Crash/Hang Requiring an IPL to Recover             *
*            SRC B600 0103                                     *
****************************************************************
* USERS AFFECTED: All IBM i operating system Advanced Memory   *
*                 Sharing users.                               *
****************************************************************
* RECOMMENDATION: Apply LIC PTF MF58863 for i 7.1.             *
*                 Apply LIC PTF MF58873 for i 7.2.             *
****************************************************************
                                                               
****                                                            
A partition may terminate with SRCB6000103 while running normal
operations when configured to use Advanced Memory Sharing with  
virtual Fibre Channel attached devices.                        

Problem Conclusion

Prevent a blocking stack switch from occurring while processing
virtual Fibre Channel I/O responses with interrupts disabled.  

Temporary Fix

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

Comments

Circumvention


PTFs Available

R710 MF58863 PTF Cover Letter   5142
R720 MF58873 PTF Cover Letter   5135

Affected Modules

         
         

Affected Publications

Summary Information

Status............................................ CLOSED PER
HIPER........................................... Yes
Component.................................. 9400DG300
Failing Module.......................... RCHMGR
Reported Release................... R710
Duplicate Of..............................




System i Support

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Document Information

Modified date:
30 May 2015