IT14719: ASSERT FAILED: MEMORY FREED TWICE WHEN DRDA_PREPARE CALLS MT_FREE AND SQL ERROR -23103 IS RETURNED TO CLIENT

APAR status

• Closed as program error.

Error description

• here the AF:
  
  
  12:00:16  IBM Informix Dynamic Server Version 12.10.FC6WE
  Software
  Serial Number AAA#B000000
  
  12:00:16  Assert Failed: Condition Failed (Memory pointer
  (0x62bc1e70)
  freed twice), In (mt_shm_free)
  12:00:16   Who: Session(10171, informix@server, 3528,
  0xa781db68)
    Thread(11872, drdaexec, 494b77e8, 1)
    File: mtshpool.c Line: 4853
  12:00:16   Action: Please notify IBM Informix Techical Support.
  12:00:16  SHM Globals and Master Pool/Master Block Adresses:
  
  12:00:16  shmcb =           0x00000000440d2d08
  12:00:16  rhead =           0x000000004413f800
  12:00:16  pool list =       0x00000000440d2de0
  12:00:16  block pool list = 0x00000000441399e8
  12:00:16  TRANSP =          0x00000000a781db68
  12:00:16  PARTP =           0x0000000000000000
  12:00:16  PARTNP =          0x0000000000000000
  12:00:16  OPENP =           0x00000000a76bb028
  12:00:16  FILEP =           0x00000000a76bb460
  12:00:16  Raw hex dump of stack located in
  /opt/informix/dump/af.32481a3f.rawstk
  12:00:16  Stack for thread: 11872 drdaexec
  
   base: 0x00000000a8b1f000
    len:   135168
     pc: 0x00000000013f4c97
    tos: 0x00000000a8b3e0d0
  state: running
     vp: 1
  
  (oninit) afstack
  (oninit) afhandler
  (oninit) affail_interface
  (oninit) mem_asfail
  (oninit) mt_free
  (oninit) drda_prepare
  (oninit)
  _Z19sqljs_ddm_prpsqlsttP14db2UCinterfaceP13sqljDDMObject
  (oninit) sqljsParse
  (oninit) do_drdamain
  (oninit) drdamain
  (oninit) spawn_thread
  (oninit) th_init_initgls
  (oninit) startup
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All users                                                    *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Update to IBM Informix Server 12.10.xC7                      *
  ****************************************************************
  

Problem conclusion

• Problem Fixed In IBM Informix Server 12.10.xC7
  

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:

Fix information

• Fixed component name

  INFORMIX SERVER

• Fixed component ID

  5725A3900

Applicable component levels

• RA10 PSN

     UP

• RA10 PSY

     UP

• RB10 PSN

     UP

• RB10 PSY

     UP

• RB50 PSN

     UP

• RB50 PSY

     UP

• RB70 PSN

     UP

• RB70 PSY

     UP

• RC10 PSN

     UP

• RC10 PSY

     UP