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IV50670: SYSTEM CRASH IN FSEL_NOTIFY() APPLIES TO AIX 7100-02

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APAR status

  • Closed as program error.

Error description

  • System crashes with the following stack :
.
(28)> f
pvthread+109C00 STACK:
[006EBBAC]fsel_notify+0000AC (0000000000000000,
 FFFFFFFFFFFF7FFF [??])
[0042B3D8]sowakeup+0000D8 (??, ??)
[004F6EC8]uipc_usrreq+000BC8 (??, ??, ??, ??, ??)
[00527E28]soesend+001928 (??, ??, ??, ??, ??, ??, ??)
[0053D148]esendit+000B48 (??, ??, ??, ??)
[0053F7D0]_esendto+0000D0 (??, ??, ??, ??, ??, ??, ??)
[000038A4]mfspurr_sc_flih01+0000E4 ()
[kdb_get_virtual_memory] no real storage @
FFFFFFFFFFFE7D0
[90000000010F298]090000000010F298 ()
[kdb_read_mem] no real storage @ FFFFFFFFFFF91F0

Local fix

  • N/A

Problem summary

  • System crashes with the following stack :
.
(28)> f
pvthread+109C00 STACK:
 006EBBAC fsel_notify+0000AC (0000000000000000,
 FFFFFFFFFFFF7FFF  ?? )
 0042B3D8 sowakeup+0000D8 (??, ??)
 004F6EC8 uipc_usrreq+000BC8 (??, ??, ??, ??, ??)
 00527E28 soesend+001928 (??, ??, ??, ??, ??, ??, ??)
 0053D148 esendit+000B48 (??, ??, ??, ??)
 0053F7D0 _esendto+0000D0 (??, ??, ??, ??, ??, ??, ??)
 000038A4 mfspurr_sc_flih01+0000E4 ()
 kdb_get_virtual_memory  no real storage @
FFFFFFFFFFFE7D0
 90000000010F298 090000000010F298 ()
 kdb_read_mem  no real storage @ FFFFFFFFFFF91F0

Problem conclusion

  • Code is modified to acquire server socket lock, when server
socket has different lock (than client socket's lock),
before doing actual data transfer. This code change fixed
the system crash issue.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV50670
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2013-10-10
    • 

  • Closed date
    2013-10-31
    • 

  • Last modified date
    2014-02-14
    • 






Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U859554
       UP14/02/14  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            14 February 2014
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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