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IV87689: SYSTEM CRASH IN PTRACE1(). APPLIES TO AIX 7200-01

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APAR status

  • Closed as program error.

Error description

  • System crash with following stack:
(84)> f
pvthread+0B8A00 STACK:
[000D5B28]kwakeup+0000C8 (F1000F0A10000010,
0077777777FF7700,
   0000000020000000 [??])
[0022DC50]ptrace1+000770 (??, ??, ??, ??, ??, ??)
[000038A4]mfspurr_sc_flih01+0000E4 ()
[kdb_get_virtual_memory] no real storage @
FFFFFFFFFFFCB10
[90000000501ABE0]090000000501ABE0 ()
[kdb_read_mem] no real storage @ FFFFFFFFFFF9010

Local fix

  • 



Problem summary


    

  • System crash with following stack:
(84)> f
pvthread+0B8A00 STACK:
 000D5B28 kwakeup+0000C8 (F1000F0A10000010,
0077777777FF7700,
   0000000020000000  ?? )
 0022DC50 ptrace1+000770 (??, ??, ??, ??, ??, ??)
 000038A4 mfspurr_sc_flih01+0000E4 ()
 kdb_get_virtual_memory  no real storage @
FFFFFFFFFFFCB10
 90000000501ABE0 090000000501ABE0 ()
 kdb_read_mem  no real storage @ FFFFFFFFFFF9010

If the ipc used while process being debugged
is set, then reload ipc before updating it.

    



Problem conclusion


    

  • If the ipc used while process being debugged
is set, then reload ipc before updating it.

    



Temporary fix


    

  • 



Comments


    

  • 6100-09 - use AIX APAR IV87222
7100-04 - use AIX APAR IV87730
7200-01 - use AIX APAR IV87689

    



APAR Information




    

  • APAR number
    IV87689
    • 

  • Reported component name
    AIX V7.2
    • 

  • Reported component ID
    5765CD200
    • 

  • Reported release
    720
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2016-08-05
    • 

  • Closed date
    2016-08-05
    • 

  • Last modified date
    2017-01-20
    • 





    

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

    
IV77409
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX V7.2
    • 

  • Fixed component ID
    5765CD200
    • 



Applicable component levels


    

  • R720  PSY  U864943
       UP16/10/28  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU070","label":"IBM Infrastructure"},"Product":{"code":"SSVEF8","label":"AIX 7.2 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"720","Edition":"","Line of Business":{"code":"LOB68","label":"Power HW"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SG11S","label":"AIX 7.2 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"720","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            10 September 2025
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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