IV88413: CRASH IN LDTTY_RD_COMPLETE APPLIES TO AIX 7100-03

APAR status

• Closed as program error.

Error description

• A crash in ldtty_rd_complete with the following stack:
  
  [F1000000C01E869C]ldterm:ldtty_rd_complete+00033C
  (F1000500002A4F00 [??])
  [F1000000C01F18EC]ldterm:ldtty_wput+0002EC (??, ??)
  [F1000000C012E070]pse:str_putnext+000130 (??, ??)
  [F1000000C0166FEC]pse:osr_read+000D0C (??)
  [F1000000C01394BC]pse:osr_run+00047C (??)
  [F1000000C0140BA8]pse:pse_read+000388 (??, ??, ??, ??,
  ??)
  [00014D70].hkey_legacy_gate+00004C ()
  [006058E4]rdevread+0001C4 (??, ??, ??, ??, ??)
  [00893A18]cdev_rdwr+000118 (??, ??, ??, ??, ??, ??, ??,
  ??)
  [008005A0]spec_erdwr+0001C0 (??, ??, ??, ??, ??, ??, ??,
  ??)
  [00800644]spec_rdwr+000024 (??, ??, ??, ??, ??, ??, ??,
  ??)
  [0068D778]vnop_rdwr+0001B8 (??, ??, ??, ??, ??, ??, ??,
  ??)
  [0069A290]vno_rw+000150 (??, ??, ??, ??, ??)
  [005F7BC8]rwuio+000108 (??, ??, ??, ??, ??, ??)
  [005F7EE8]rdwr+000188 (??, ??, ??, ??, ??, ??)
  [005F7A7C]keread+00013C (??, ??, ??, ??)
  [00003938]syscall+000230 ()
  

Local fix

Problem summary

• Terminal crash in uncertain timeframe.
  

Problem conclusion

• solution has been added to free up the message block if it
  contains 0 byte data.
  

Temporary fix

Comments

• 6100-09 - use AIX APAR IV86211
  7100-03 - use AIX APAR IV88413
  7100-04 - use AIX APAR IV83609
  7100-04 - use AIX APAR IV83609
  7200-01 - use AIX APAR IV86205
  

APAR Information

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

  IV83609

• 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 U870567

     UP17/01/19 I 1000