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IV31034: PROCESSESY CRASH WHEN REMOVING SAME INTERFACE FROM TWO APPLIES TO AIX 6100-09

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APAR status

  • Closed as program error.

Error description

  • The system may crash with the following stack trace when
the same interface is removed by two different processes.


KDB(3)> f 139
pvthread+008B00 STACK:
￭00500528if_detach+0001A8 (000000000000000B ￭??)
￭004FD5C8ifioctl+0008C8 (F1000500003F3008, 8020696680206966,
   F00000002FF47028)
￭00574540soo_ioctl+0005C0 (??, ??, ??)
￭00733390common_ioctl+0000F0 (??, ??, ??, ??)
￭000038A4mfspurr_sc_flih01+0000E4 ()
￭D011A534__ioctl+0000B4 (??, ??, ??, ??, ??)
￭D011AB3Cioctl+00003C (00000003, 80206966, 20004040, 0000F032,
   00000003, 00004E68, 00000000, 00000000)
￭10002A88ifconfig+001368 (??, ??, ??)
￭1000346Cmain+0008CC (??, ??)
￭10000168__start+000068 ()

Local fix

  • 



Problem summary


    

  • The system may crash with the following stack trace when
the same interface is removed by two different processes.


KDB(3)> f 139
pvthread+008B00 STACK:
 00500528 if_detach+0001A8 (000000000000000B  ?? )
 004FD5C8 ifioctl+0008C8 (F1000500003F3008, 8020696680206966,
   F00000002FF47028)
 00574540 soo_ioctl+0005C0 (??, ??, ??)
 00733390 common_ioctl+0000F0 (??, ??, ??, ??)
 000038A4 mfspurr_sc_flih01+0000E4 ()
 D011A534 __ioctl+0000B4 (??, ??, ??, ??, ??)
 D011AB3C ioctl+00003C (00000003, 80206966, 20004040, 0000F032,
   00000003, 00004E68, 00000000, 00000000)
 10002A88 ifconfig+001368 (??, ??, ??)
 1000346C main+0008CC (??, ??)
 10000168 __start+000068 ()

    



Problem conclusion


    

  • Serialize against two processes trying to detach the same
interface

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV31034
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2012-10-29
    • 

  • Closed date
    2012-10-29
    • 

  • Last modified date
    2013-11-26
    • 





    

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

    
IV30696
    

    • 

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

    
U863401
    

    • 



Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U863401
       UP13/11/25  I  1000
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            17 December 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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