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MA44868 - LIC-SRCB6000103-UNPRED MACHINE CHECK INTERRUPT HANDLING CRASHES
PARTITION

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 APAR (Authorized Program Analysis Report)

Abstract

LIC-SRCB6000103-UNPRED MACHINE CHECK INTERRUPT HANDLING CRASHES
PARTITION

Error Description

System whack out of module #smdsegi+0x130                      

Problem Summary

****************************************************************
* PROBLEM: (MA44868) Licensed Program = 5770999 for i 7.2      *
*           Crash Hang Requiring an IPL to Recover             *
*            SRC B600 0103                                     *
****************************************************************
* USERS AFFECTED: All IBM i operating system users.            *
****************************************************************
* RECOMMENDATION: Apply LIC PTF MF60598 for i 7.2.             *
****************************************************************
*******                                                        
The machine check interrupt handler uses an unpredictable      
register value as the address of a system control block.  A    
storage fault in interrupt handling crashes the partition (when
#smdsegi+0x130 calls #cfwhack)                                  

Problem Conclusion

The machine check interrupt handler is corrected to avoid the  
partition crash.                                                

Temporary Fix

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

Comments

Circumvention


PTFs Available

R720 MF60598 PTF Cover Letter   5310

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:
23 November 2015