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IV06058: POSSIBLE CRASH DURING OPEN TO NON-MPIO OR VIRTUAL OPTICAL DEV. APPLIES TO AIX 7100-00

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APAR status

  • Closed as program error.

Error description

  • Possible crash with stack similar to this:

KDB(0)> stack pvthread+000200 STACK:
￭00022080abend_trap+000000 () ￭005B0C64slock+000544 (??, ??)
￭000090C4.disable_lock+0000C0 ()
￭05D017B0scsidisk_trc_disable+000070 (??, ??, ??, ??, ??, ??,
??, ??) ￭05D12CB8scsidisk_process_reset+000518 (??)
￭05D1D2F4scsidisk_process_good+0002D4 (??)
￭05D1DD0Cscsidisk_iodone+00084C (??)

Issue is likely only possible when opening non-MPIO Disk
devices or Virtual Optical Device.

Local fix

  • 



Problem summary


    

  • Possible crash with stack similar to this:

KDB(0)> stack pvthread+000200 STACK:
 00022080 abend_trap+000000 ()  005B0C64 slock+000544 (??, ??)
 000090C4 .disable_lock+0000C0 ()
 05D017B0 scsidisk_trc_disable+000070 (??, ??, ??, ??, ??, ??,
??, ??)  05D12CB8 scsidisk_process_reset+000518 (??)
 05D1D2F4 scsidisk_process_good+0002D4 (??)
 05D1DD0C scsidisk_iodone+00084C (??)

Issue is likely only possible when opening non-MPIO Disk
devices or Virtual Optical Device.

    



Problem conclusion


    

  • Change function call used to avoid possible recursive call
to lock.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV06058
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2011-08-12
    • 

  • Closed date
    2011-08-12
    • 

  • Last modified date
    2013-04-07
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    
IV00786
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U839076
       UP11/11/15  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"AIX 7.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"","label":""}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            07 April 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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