IT06992: LEAF NODE HANGS IN NIFBLOCKNIFSENDTHREADS() RESULTING IN QUEUE BUILD UP

APAR status

• Closed as program error.

Error description

• The customer has a number of leaf ER nodes connecting to a
  master ER node.
  
  When there are a number of leaf ER nodes connecting to a master
  ER node, it is observed with various leafs that there are no
  details being processed and it looks liked the system is stuck
  in the following type of stack ...
  
          Stack for thread: 1146139 CDRRep
          base: 0x00000000504b7000
          len:   69632
          pc: 0x000000000133dfef
          tos: 0x00000000504c7c80
          state: cond wait
          vp: 8
          (oninit) yield_processor_mvp
          (oninit) mt_wait
          (oninit) nifBlockNifSendThreads
          (oninit) gc_exec_freqevent
          (oninit) rsNotifyEvent
          (oninit) execThread
          (oninit) cdrTrampolineThread
          (oninit) th_init_initgls
          (oninit) startup
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * informix 12.10 ER users                                      *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Update to IBM Informix Server 12.10.xC6                      *
  ****************************************************************
  

Problem conclusion

• Problem Fixed In IBM Informix Server 12.10.xC6
  

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 PSY

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