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IV66094: SYSTEM CRASH AFTER DETACHING AN INTERFACE USING ELXENTDD DRIVER APPLIES TO AIX 7100-02

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APAR status

  • Closed as program error.

Error description

  • System may crash with following stack trace after calling
ioctl on an
interface which has been detached.

CRASH INFORMATION:
CPU 12 CSA F00000002FF47600 at time of crash, error code
for LEDs: 30000000
pvthread+099400 STACK:
[F1000000C01CC110]elxent_ctl+000450 (700DFEED00007262,
F1000A02AB571460,
   0000000000000000, 0000000000000003 [??])
[00014D70].hkey_legacy_gate+00004C ()
[061F22C4]ptx_load_ifnet_helper64+0001E4 (??, ??)
[061F1490]_ptx_get_ifnets64+000250 (??, ??, ??, ??)
[061F8EB0]ptx_get_ifnets64+000030 (??, ??, ??)
[000038A4]mfspurr_sc_flih01+0000E4 ()
[kdb_get_virtual_memory] no real storage @ 2FF210D4
[D24892A0]D24892A0 ()
[kdb_read_mem] no real storage @ FFFFFFFFFFF6460

Local fix

  • 



Problem summary


    

  • System may crash with following stack trace after calling
ioctl on an interface which has been detached.

CRASH INFORMATION:
CPU 12 CSA F00000002FF47600 at time of crash, error code
for LEDs: 30000000
pvthread+099400 STACK:
 F1000000C01CC110 elxent_ctl+000450 (700DFEED00007262,
F1000A02AB571460,
   0000000000000000, 0000000000000003  ?? )
 00014D70 .hkey_legacy_gate+00004C ()
 061F22C4 ptx_load_ifnet_helper64+0001E4 (??, ??)
 061F1490 _ptx_get_ifnets64+000250 (??, ??, ??, ??)
 061F8EB0 ptx_get_ifnets64+000030 (??, ??, ??)
 000038A4 mfspurr_sc_flih01+0000E4 ()
 kdb_get_virtual_memory  no real storage @ 2FF210D4
 D24892A0 D24892A0 ()
 kdb_read_mem  no real storage @ FFFFFFFFFFF6460

    



Problem conclusion


    

  • Call ns_alloc before issuing the STATS ioctl

    



Temporary fix


    

  • 



Comments


    

  • 6100-08 - use AIX APAR IV70048
6100-09 - use AIX APAR IV68245
7100-02 - use AIX APAR IV66094
7100-03 - use AIX APAR IV68230

    



APAR Information




    

  • APAR number
    IV66094
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-10-20
    • 

  • Closed date
    2015-01-02
    • 

  • Last modified date
    2015-09-30
    • 






Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U864295
       UP15/09/21  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            30 September 2015
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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