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IZ57968: CRASH IN SNA_MUX64

A fix is available

Communications Server for AIX, Version 6.4 -- Latest PTFs

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APAR status

  • Closed as program error.

Error description

  • Communications Server for AIX, Version 6.3
------------------------------------------
Crash in sna_mux64

Local fix

  • 



Problem summary


    

  • * USERS AFFECTED:
* All who have applications using the back-level APIs on 64-bit
* AIX. May be specific to AIX 6.1.
*
* PROBLEM DESCRIPTION:
* Crash in sna_mux64.
* dump stack:
*  F1000000A07BC630 sna_mux64:v62_path_callback+0005B0
* (0100000001000000, 0FFFFFFFF00FF990, F10006001C9D7D60)
*  F1000000A071FCA0 sna_ddpmgr64:vpm_rcv_ips+00027C
* (F100070002143700)
*  F1000000A0720D04 sna_ddpmgr64:vpm_rcv_msg+000068t uses the
* (F100070002143800)I. If the 64-bit code segment in the kernel
*  F1000000A071F42C sna_ddpmgr64:sna_p_vpm_stream_r_svc+00002C
* (F1000700004DD000)
*  F1000000A02665F4 pse:sq_wrapper+000134 (??)
*  F1000000A024CA9C pse:csq_run+00029C (??)
*  F1000000A024BA6C pse:csq_lateral+00036C (??, ??, ??)
*  F1000000A0267240 pse:scheduled_run+000100 ()
*
* PROBLEM SUMMARY:
* The crash occurs when starting an application that uses the
* back-level APPC API. If the 64-bit code segment in the kernel
* uses addresses over 0xffffffff then the crash will occur.

    



Problem conclusion


    

  • Code has been corrected to allow use of memory addresses higher
than 0xffffffff.

    



Temporary fix


    

  • sna_mux64

    



Comments


    

  • 



APAR Information




    

  • APAR number
    IZ57968
    • 

  • Reported component name
    CS AIX V6.X
    • 

  • Reported component ID
    5765E5100
    • 

  • Reported release
    640
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2009-08-11
    • 

  • Closed date
    2009-08-11
    • 

  • Last modified date
    2009-10-27
    • 





    

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

    
IZ47857
    

    • 

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

    • 



Modules/Macros


    

  • SNA_MUX6

    



Fix information


    

  • Fixed component name
    CS AIX V6.X
    • 

  • Fixed component ID
    5765E5100
    • 



Applicable component levels


    

  • R640  PSY  U828838
       UP09/10/27  I  1000
    • 








      
              
                            

              

              [{"Line of Business":{"code":"LOB35","label":"Mainframe SW"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSPQKF","label":"Communications Server for AIX"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"640"}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            04 October 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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