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IT27283: PHYSRECOVER THREAD CAN HANG RESTORING SMART BLOB DATA AFTER FIX FOR IT26556

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APAR status

  • Closed as program error.

Error description

  • After the fix for IT26556 was introduced, it's now possible that
certain type of page header corruption in a smart blob page can
cause the restore of the smart blob data to hang.

The stack trace for the hanging physrecover thread would look
like this:

sbx_arc_pages_put
dophysrecvr
startup

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:                                              *
* Users of IDS prior to 12.10.xC13.                            *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* Physrecover thread can hang restoring smart blob data after  *
* fix for IT26556.                                             *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************

    



Problem conclusion


    

  • Fixed in IDS 12.10.xC13.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT27283
    • 

  • Reported component name
    INFORMIX SERVER
    • 

  • Reported component ID
    5725A3900
    • 

  • Reported release
    C10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2018-12-11
    • 

  • Closed date
    2019-09-26
    • 

  • Last modified date
    2019-09-26
    • 





    

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

    • 

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

    • 



Fix information


    

  • Fixed component name
    INFORMIX SERVER
    • 

  • Fixed component ID
    5725A3900
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            26 September 2019
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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