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IC66974: DB2 PAGE CLEANER HANGS MAY LEAD TO DATABASE HANGING

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Page cleaners spinning on V97FP1
    
    The stack of the page cleaners will show that they keep on
    looping within the sqlbClnrGatherForFlushUpToLSN function
    
    Stack:
    <StackTrace>
    -------Frame------ ------Function + Offset------
    0x090000001A7F3214 sqloSpinLockReleaseConflict + 0xB8
    0x090000001A7F3360 sqloSpinLockReleaseConflict@glue74 + 0x78
    0x090000001A969740
    sqlbClnrGatherForFlushUpToLSN__FP12SQLB_CLNR_CB + 0x1D0
    0x090000001A557024 sqlbClnrGatherPages__FP12SQLB_CLNR_CB + 0x0
    0x090000001A5C2B60 sqlbClnrEntryPoint__FP12sqbPgClnrEdu + 0x714
    0x090000001A7BEED4 RunEDU__12sqbPgClnrEduFv + 0x34
    0x090000001A7BF184 EDUDriver__9sqzEDUObjFv + 0xDC
    0x090000001A7B3AE0 sqloEDUEntry + 0x264
    </StackTrace>
    
    A trace of the page cleaners will show that the cleaners keep on
    entering and exiting this function with rc = TRIGGER_SERVICED.
    

Local fix

  • Recycle the instance
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 9.8 FP3 or Subsequent Fix Pack                *
    ****************************************************************
    

Problem conclusion

  • Problem First Fixed in DB2 Version 9.8 Fix Pack 3
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC66974

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    980

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-03-08

  • Closed date

    2012-12-10

  • Last modified date

    2012-12-10

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

    IC66970

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

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R980 PSN

       UP

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.8","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
10 December 2012