IV14047: KSH DEBUG : MAX RECURSION REACHED IT'S LIMIT, EXITING APPLIES TO AIX 7100-02

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• using the following script :
  trap 'toto='/usr/bin/echo TOTO';print $toto' DEBUG
  echo "will get trapped by debug"
  will error with :
  ksh ./test.script
  will get trapped by debug
  DEBUG : Max recursion reached it's limit, exiting
  

Local fix

• use ksh93
  or modify the script using following example to reset
  the DEBUG trap when we are already handling the trap
  function handler
  {
  trap '' DEBUG
  print "TOTO"; variable=$(uptime)
  }
  trap handler DEBUG
  echo "will get trapped by debug"
  

Problem summary

• trap command throws error if run with signal 'DEBUG'
  error :
  "DEBUG : Max recursion reached it's limit, exiting"
  

Problem conclusion

• Code has been changed to handle trap command when 'DEBUG'
  signal is enable.
  

Temporary fix

Comments

• 6100-08 - use AIX APAR IV13315
  7100-02 - use AIX APAR IV14047
  

APAR Information

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

  IV11654

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

Fix information

• Fixed component name

  AIX V7.1

• Fixed component ID

  5765H4000

Applicable component levels

• R710 PSY U846605

     UP12/10/26 I 1000

PTF to Fileset Mapping

• U846605 bos.rte.shell 7.1.2.0