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IV62764: SIMULTANEOUS CALLS ON RRHBA_HW_UNINITIALIZE CRASH SYSTEM APPLIES TO AIX 6100-08

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APAR status

  • Closed as program error.

Error description

  • The system could crash when librrhba and entstat call
rrhba_hw_uninitialize at the same time on an unconfigured
ct3 network adapter which also is in error state.

The crash stack looks like;

[00009324].unlock_enable_mem+000018 ()
[041D3600]mi1_ext_write+000120 (??, ??, ??, ??, ??)
[041DD7B8]ael1002_power_down+000038 (??, ??)
[041D731C]t3_prep_adapter+0004FC (??, ??, ??)
[041CAD28]rrhba_uninit_adapter+000108 (??)
[041CBB6C]rrhba_hw_uninitialize+00010C (??, ??)
[041FEDC0]rrhba_qset_stop+0001C0 (??, ??, ??)
[04348BB8]librrhba_qset_stop+000198 (??, ??, ??)
[04348310]librrhba_stop+000230 (??, ??)
[0435BB44]rrent_close+000464 (??)
[00480408]ns_free+000088 (??)
[00480698]ndd_usrreq+0001B8 (??, ??, ??, ??, ??)
[004DC96C]soclose2+00028C (??, ??)
[004DE550]soclose+000010 (??)
[004E8C34]soo_close+000294 (??)
[00647E5C]closef+00005C (??)
[0055D530]closefd+000150 (??, ??)
[0055D8E4]closex+000304 (??, ??)
[0055DB5C]close+00011C (??)
[00003850]ovlya_addr_sc_flih_main+000130 ()

Local fix

  • Remove unconfigured ct3 network adapter

Problem summary

  • System crash with similar stack:
 00009324 .unlock_enable_mem+000018 ()
 041D3600 mi1_ext_write+000120 (??, ??, ??, ??, ??)
 041DD7B8 ael1002_power_down+000038 (??, ??)
 041D731C t3_prep_adapter+0004FC (??, ??, ??)
 041CAD28 rrhba_uninit_adapter+000108 (??)
 041CBB6C rrhba_hw_uninitialize+00010C (??, ??)
 041FEDC0 rrhba_qset_stop+0001C0 (??, ??, ??)
 04348BB8 librrhba_qset_stop+000198 (??, ??, ??)
 04348310 librrhba_stop+000230 (??, ??)
 0435BB44 rrent_close+000464 (??)
 00480408 ns_free+000088 (??)
 00480698 ndd_usrreq+0001B8 (??, ??, ??, ??, ??)
 004DC96C soclose2+00028C (??, ??)
 004DE550 soclose+000010 (??)
 004E8C34 soo_close+000294 (??)
 00647E5C closef+00005C (??)
 0055D530 closefd+000150 (??, ??)
 0055D8E4 closex+000304 (??, ??)
 0055DB5C close+00011C (??)
 00003850 ovlya_addr_sc_flih_main+000130 ()

Problem conclusion

  • Driver code is modified to fix synchronize between close
function and error notify thread.

Temporary fix

  • 



Comments


    

  • 6100-08 - use AIX APAR IV62764
6100-09 - use AIX APAR IV66115
7100-02 - use AIX APAR IV69648
7100-03 - use AIX APAR IV66133

    



APAR Information




    

  • APAR number
    IV62764
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-07-21
    • 

  • Closed date
    2014-10-17
    • 

  • Last modified date
    2015-09-30
    • 






Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U868783
       UP15/09/18  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            30 September 2015
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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