IT24957: POSSIBLE TRAP (FODC) IN 'HDREDUACCEPTEVENT()' DUE TO INVALID CONNECTION SEQUENCE

Db2 Version 11.1 Mod4 Fix Pack4 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 4 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 6 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 5 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 7 for Linux, UNIX, and Windows

APAR status

• Closed as program error.

Error description

• Possible trap (FODC) may occur in 'hdrEduAcceptEvent()' due to
  an invalid sequence of connections,
  that is for example trying to enable HADR on a database where
  both hosts are 'standby' due to some
  previous error.
  
  The stack trace in the FODC will look like this (this might vary
  based on the platform):
  
  0x09000000122D369C
  hdrEduAcceptEvent__6hdrEduFP8HDR_DBCBP14HDR_EVENT_TYPEPP11HDR_HD
  R_MSGPP8HDR_RQST + 0x38D8
  0x09000000122BF57C hdrEduS__6hdrEduFPUl + 0x191C
  0x09000000122A2FB0 RunEDU__6hdrEduFv + 0x2264
  0x090000001436B704 EDUDriver__9sqzEDUObjFv + 0x3F0
  0x090000001436B704 EDUDriver__9sqzEDUObjFv + 0x3F0
  0x0900000013ED94C4 sqloEDUEntry + 0x3A4
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * ALL                                                          *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to Db2 11.1 Mod 4 Fixpack 4 or higher                *
  ****************************************************************
  

Problem conclusion

• First fixed in Db2 11.1 Mod 4 Fixpack 4
  

Temporary fix

Comments

APAR Information

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

  IT24063

• 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

• RB10 PSN

     UP