IV62385: FIX DEBUG TRAP ON NETSTAT FOR DEBUG ENVIRONMENTS APPLIES TO AIX 7100-03

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• No symptoms experienced under normal operations.
  Systems running in debug mode could hit a trap on netstat
  with the following stack:
  
  KDB(1)> f
  pvthread+3E4900 STACK:
  Ý0000B700¨.umem_move+000100 ()
  Ý000A20F8¨umem_move_skeys+0002D8 (??, ??, ??, ??, ??)
  Ý000A2270¨copyslow+000110 (??, ??, ??, ??, ??, ??)
  Ý000A3704¨copyout+000124 (??, ??, ??)
  Ý00118BE0¨_kwaitpid+000920 (??, ??, ??, ??, ??, ??, ??)
  Ý001199D4¨kwaitpid+000134 (??, ??, ??, ??, ??)
  Ý00003938¨syscall+000230 ()
  Ý90000000010D0AC¨wait+00030C (??)
  Ý100021FCC¨drvstats+00044C (0000000000000000)
  Ý100002050¨main+001150 (0000000000000002, 0FFFFFFFFFFFFB68)
  Ý100000268¨__start+000070 ()
  

Local fix

Problem summary

• No symptoms experienced under normal operations.
  Systems running in debug mode could hit a trap on netstat
  with the following stack:
  
  KDB(1)> f
  pvthread+3E4900 STACK:
   0000B700 .umem_move+000100 ()
   000A20F8 umem_move_skeys+0002D8 (??, ??, ??, ??, ??)
   000A2270 copyslow+000110 (??, ??, ??, ??, ??, ??)
   000A3704 copyout+000124 (??, ??, ??)
   00118BE0 _kwaitpid+000920 (??, ??, ??, ??, ??, ??, ??)
   001199D4 kwaitpid+000134 (??, ??, ??, ??, ??)
   00003938 syscall+000230 ()
   90000000010D0AC wait+00030C (??)
   100021FCC drvstats+00044C (0000000000000000)
   100002050 main+001150 (0000000000000002, 0FFFFFFFFFFFFB68)
   100000268 __start+000070 ()
  

Problem conclusion

• This fix prevents the trap by calling kwaitpid() with the
  appropriate parameters.
  

Temporary fix

Comments

• 6100-09 - use AIX APAR IV62427
  6100-09 - use AIX APAR IV62427
  7100-03 - use AIX APAR IV62385
  7100-04 - use AIX APAR IV62487
  

APAR Information

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

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

  IV62427 IV62487

Fix information

• Fixed component name

  AIX V7.1

• Fixed component ID

  5765H4000

Applicable component levels

• R710 PSY U862169

     UP14/10/29 I 1000

PTF to Fileset Mapping

• U862169 bos.net.tcp.client 7.1.3.30