PM68598: DFHSM0002 A SEVERE ERROR (CODE X'030F') HAS OCCURRED IN MODULE DFHSMGF.

APAR status

• Closed as returned (APAR cannot be resolved without additional info from IBM or customer.)

Error description

• DFHSM0002 A severe error (code X'030F') has occurred in module
  DFHSMGF.
  It is due to a Quickcell_freemain_QPF_already_free of a
  RMOFRMLK.
  

Local fix

• n/a
  

Problem summary

Problem conclusion

Temporary fix

Comments

• This APAR is being returned because the supplied documentation
  is insufficient to resolve the problem.
  The reported problem is the double freemain of a RMOFRMLK.
  An IMS system has an LU6.2 connection to a CICS TOR region which
  has an MRO connection to a CICS AOR. A Distributed Transaction
  Processing DTP CONNECT PROCESS request from the IMS system
  causes a transaction to be started on the CICS TOR, which is
  transaction routed to the CICS AOR.
  The task in the CICS AOR issues a SYNCPOINT ROLLBACK. During
  BACKOUT processing the CICS RM Resource Manager calls DFHCR2U
  PERFORM_COMMIT for the APPC session to IMS which fails because
  the conversation with the remote region has been lost.
  Message DFHRM0107 is issued. Transaction CLQ2 is attached on the
  TOR for RESYNC, a new session is allocated and the RESYNC
  receives a positive response from IMS.
  A call to DFHRMLN SET_RECOVERY_STATUS RESET is issued resulting
  in message DFHRM0110. As part of CLQ2 processing the RMOFRMLK
  link is freed.
  During transaction termination of the user task on the TOR the
  RMOFRMLK link is freed for a second time, resulting in the
  reported double freemain failure.
  It has not been possible to recreate this problem with the
  information available in the supplied documentation.
  Consequently this APAR is being RETurned to request further
  documentation.
  The additional documentation requirements will be as follows.
  The CICS dump from the freemain failure and the CICS message
  log.
  In order to disable the Storage Manager Quickcell mechanism so
  that all the getmain/freemain activity can be seen in the trace,
  SIT parameter STNTRSM=ALL should be specified in the startup
  JCL. The dump should contain a large internal trace with all
  CICS components set to level 1 except for AP, IS, TC and RM
  which should be set to 1-2 (All).
  

APAR Information

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

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

Fix information

Applicable component levels