PK82448: HIGH CPU TEP CALL TO COLLECTOR FOR LOCKS HELD KO2OPCNB+5CA ABEND0C4 OR ABEND0C1 WILD BRA 09/05/22 PTF PECHANGE

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• High CPU can be experienced in the OMPE classic task as a result
  of requests for lock data originated by the TEP when displaying
  a large number of threads Detail Thread Exception Workspace.
  Also possible is an ABEND0C4 or ABEND0C1 from a wild branch:
  KO2O0718E DBS2 EXCEPTION PROCESSING FAILED WITH UNEXPECTED
            PROGRAM CHECK IN LKUS (XDRVB2 )
  Dump Title: OMEGAMON II FOR DB2: COMPID=5655OPE00, JOB=OMIIDB2 ,
               LMOD=#UNKNOWN#L, CSECT=XDRVB2  , OFFSET=  02CA
  or an SVC DUMP with
  Dump Title: OMEGAMON II FOR DB2: COMPID=5655OPE00, JOB=CANSO2  ,
               LMOD=#UNKNOWN#L, CSECT=SNP$0000, OFFSET=  0102
  Symptoms can result in and ABEND0C4-04 or ABEND0C1 with a PSW
  address pointing to low core:  077D0000 80000002.  R14 points
  to KO2OPCNB+5C8 (at PK49696 level), a BASSM (0CEF) instruction.
  The ABEND occurred when KO2OXTHB (LKUS) called KO2CTHE2
  (FINDLKN) and the address of KO2CTHE2 in the $EVT was 80000000;
  it was used as a target branch address, leading to the program
  check.  For searchability:  KO2CTHES KO2CTHEA
  

Local fix

• Avoid using the Detail Thread Exception workspace for display or
  to build situations
  
  For KO2O0718E message turn off LKUS exception
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: OMEGAMON XE for DB2 PE/DB2PM                 *
  *                 users of component:                          *
  *                 -   Tivoli Enterprise Monitoring Agent       *
  *                 -   Classic Interface                        *
  *                 -   CUA Interface                            *
  ****************************************************************
  * PROBLEM DESCRIPTION: Slow response on TEP workspace Detail   *
  *                      Thread Exception.                       *
  *                      or                                      *
  *                      message KO2O0718E PROGRAM CHECK IN LKUS *
  *                      (XDRVB2 ) in Classic session.           *
  ****************************************************************
  * RECOMMENDATION: Apply this PTF                               *
  ****************************************************************
  PROBLEM SUMMARY:
  Collection routine for workspace was collecting more information
  than required causing slow response. LKUS Classic exception
  failed.
  
  PROBLEM CONCLUSION:
  Streamline collection for Detail Thread Exception Workspace.
  Fix error in LKUS exception processing.
  
  Additionaly sumptoms: Problem can also occur when using the
  ATF of the classical interface.
  bad $EVT entry:   80000000
  

Problem conclusion

• Streamline collection for Detail Thread Exception Workspace.
  Fix error in LKUS exception processing.
  
  KEYWORDS : LKUS  DETAIL THREAD EXCEPTION WORKSPACE
  

Temporary fix

• *********
  * HIPER *
  *********
  

Comments

APAR Information

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

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

  UK44995 PK86036

Modules/Macros

•    KO2APCBA KO2APCBS KO2APCB2 KO2CDINA KO2CDINS
  KO2CDIN2 KO2CIFIA KO2CIFIS KO2CIFI2 KO2CLKDA KO2CLKDS KO2CLKD2
  KO2CTHNA KO2CTHNS KO2CTHN2
  

Fix information

• Fixed component name

  OM XE DB2PE/PM

• Fixed component ID

  5655OPE00

Applicable component levels

• R410 PSY UK44995

     UP09/04/09 P F904 Ž

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.