IV40404: IPOIB CRASH AT IB_OUTPUT+000A14 APPLIES TO AIX 7100-02

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Crash at:
  pvthread+033000 STACK:
  WARNING: bad IAR: 00000000, display stack from LR: 064BA1D4
  ￭064BA1D4ib_output+000A14 (FFFFFFFFFFFFFFFF,
  0000000000000034, 0000000000000034 ￭??)
  ￭0625B178ip_output_post_fw+001798 (F1000A0036F3A898, ,
  F00000002FF46CE0)
  ￭0625CF58ip_output+0000D8 (??, ??, ??, ??, ??, ??)
  ￭062B2D1Ctcp_output+00173C (??)
  ￭062B00C4tcp_usrreq+001724 (??, ??, ??, ??, ??)
  ￭0052671Csoereceive+001C1C (??, ??, ??, ??, ??, ??, ??)
  ￭0053D448_erecv+000748 (0000000000000000, 0000000020066568,
  00009E6700009E67, 0000004000000040, 0000000000000000)
  ￭000038A4mfspurr_sc_flih01+0000E4 ()
  ￭D021B840recv+000260 (??, ??, ??, ??)
  ￭10012FBCSRead+00007C (??, ??, ??, ??, ??, ??, ??)
  ￭10014DE810014DE8 ()
  ￭100029FC100029FC ()
  ￭100026CC100026CC ()
  ￭10003F5810003F58 ()
  ￭1000016810000168 ()
  

Local fix

Problem summary

• Crash at:
  pvthread+033000 STACK:
  WARNING: bad IAR: 00000000, display stack from LR: 064BA1D4
   064BA1D4 ib_output+000A14 (FFFFFFFFFFFFFFFF,
  0000000000000034, 0000000000000034  ?? )
   0625B178 ip_output_post_fw+001798 (F1000A0036F3A898, ,
  F00000002FF46CE0)
   0625CF58 ip_output+0000D8 (??, ??, ??, ??, ??, ??)
   062B2D1C tcp_output+00173C (??)
   062B00C4 tcp_usrreq+001724 (??, ??, ??, ??, ??)
   0052671C soereceive+001C1C (??, ??, ??, ??, ??, ??, ??)
   0053D448 _erecv+000748 (0000000000000000, 0000000020066568,
  00009E6700009E67, 0000004000000040, 0000000000000000)
   000038A4 mfspurr_sc_flih01+0000E4 ()
   D021B840 recv+000260 (??, ??, ??, ??)
   10012FBC SRead+00007C (??, ??, ??, ??, ??, ??, ??)
   10014DE8 10014DE8 ()
   100029FC 100029FC ()
   100026CC 100026CC ()
   10003F58 10003F58 ()
   10000168 10000168 ()
  

Problem conclusion

• save the if_tapctl and if_tap in local pointers before
  calling the functions.
  

Temporary fix

Comments

• 6100-08 - use AIX APAR IV40276
  7100-02 - use AIX APAR IV40404
  

APAR Information

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

  IV37486

• 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 U857552

     UP13/07/30 I 1000

PTF to Fileset Mapping

• U857552 devices.common.IBM.ib.rte 7.1.2.16