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IV92660: SYSTEM CRASH CONFIGURING GXIBDD LHCA INFINIBAND ADAPTER APPLIES TO AIX 7200-00

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APAR status

  • Closed as program error.

Error description

  • System crash when configuring the /usr/lib/drivers/gxibdd
device driver for the LHCA InfiniBand adapter found in
the
devices.chrp.IBM.lhca fileset. These devices normally
show as "InfiniBand host channel adapter" in the output
from a "lsdev -C | grep iba" command.

Stack trace from the system dump:

[00009514].simple_lock+000014()
[0064A41c]closef+00001C(??)
[0064A588]fp_close+000048(??)
[00014F50].kernel_add_gate_cstack+000030()
[04747548]gxib_init+001968(??,??)
[04740398]gxib_config+000198(??,??,??)
[0068B4B0]config_dd+000270(??,??,??)
[0068C200]sysconfig+000240(??,??,??)
[00003850]ovlya_addr_sc_flih_main+000130()
[10001AFC]configure_device+0021C()
[100011B4]make_dvc_avalaible+000034()
[10000568]main+000248(??,??,??)
[10000168]_start+000068()

Local fix

  • 



Problem summary


    

  • System crash when configuring the /usr/lib/drivers/gxibdd
device driver for the LHCA InfiniBand adapter found in
the
devices.chrp.IBM.lhca fileset. These devices normally
show as "InfiniBand host channel adapter" in the output
from a "lsdev -C | grep iba" command.

Stack trace from the system dump:

 00009514 .simple_lock+000014()
 0064A41c closef+00001C(??)
 0064A588 fp_close+000048(??)
 00014F50 .kernel_add_gate_cstack+000030()
 04747548 gxib_init+001968(??,??)
 04740398 gxib_config+000198(??,??,??)
 0068B4B0 config_dd+000270(??,??,??)
 0068C200 sysconfig+000240(??,??,??)
 00003850 ovlya_addr_sc_flih_main+000130()
 10001AFC configure_device+0021C()
 100011B4 make_dvc_avalaible+000034()
 10000568 main+000248(??,??,??)
 10000168 _start+000068()

    



Problem conclusion


    

  • Code reordered to avoid the crash.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV92660
    • 

  • Reported component name
    AIX V7.2
    • 

  • Reported component ID
    5765CD200
    • 

  • Reported release
    720
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2017-01-24
    • 

  • Closed date
    2017-01-24
    • 

  • Last modified date
    2017-04-11
    • 





    

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

    
IV89535
    

    • 

  • 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  U873958
       UP17/04/10  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            10 September 2025
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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