PM74999: MEMORY LEAK ( STORAGE CREEP ) IN CONTROLLER WHEN SA ( SYSTEM AUTOMATION ) WORKSTATION USED WITH VARIABLE SUBSTITUTION

APAR status

• Closed as program error.

Error description

• When SA/390 ( SA390 ) workstation is used in TWS z/OS
  and System Automation commands are used that have variable
  substitution, it is possible that some control blocks ( TUB and
  JDAT ) are not freed.  Subpool2 key8 shows very high usage
  above the line.  The following message may be seen in the
  controller EQQMLOG:
  EQQN032E UNABLE TO OPEN VSAM FILE EQQCP1DS, VSAM RC = 0008,
  REASON = 0136
  where REASON136 indicates an out of storage situation.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: TWS for z/OS System Automation integration   *
  *                 users.                                       *
  *                 Function: JCL                                *
  ****************************************************************
  * PROBLEM DESCRIPTION: A system abend 878-10 can occur in      *
  *                      the controller address space when       *
  *                      System AUtomation commands are used     *
  *                      very intensively on operations.         *
  ****************************************************************
  * RECOMMENDATION: APPLY THE PTF FIXING THIS APAR               *
  ****************************************************************
  A system abend 878-10 can occur in the controller address
  space when System Automation commands are used very
  intensively.
  

Problem conclusion

• When System Automation commands are specified for System
  Automation workstation, the TUB and JDAT control blocks
  are allocated but not freed.
  Now the area are freed.
  302Y
  502Y
  512Y
  602Y
  EQQZVGSU
  

Temporary fix

Comments

APAR Information

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

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

Modules/Macros

• EQQZVGSU
  

Fix information

• Fixed component name

  TIV WRKLD SCHD

• Fixed component ID

  5697WSZ01

Applicable component levels

• R302 PSY

     UP

• R502 PSY

     UP

• R512 PSY

     UP

• R602 PSY

     UP