IV82828: PACKET ADJUSTED MULTIPLE TIMES BY RRHBADD DRIVER APPLIES TO AIX 7100-04

APAR status

• Closed as program error.

Error description

• The external symptom to a customer may be a crash in
  doghash or it may be dropped packets in the ethernet
  receive path such as netstat -i or the dropped packets
  shown by entstat -d.
  

Local fix

Problem summary

• The external symptom to a customer may be a crash in doghash or
  it may be dropped packets in the ethernet receive path such as
  netstat -i or the dropped packets shown by entstat -d.
  
  Example crash stack,  00043A0C get_errc_inst@AF90_72+00000C
  (F100016F808B1400  ?? )  00040B90 errsave_data+000050 (??, ??,
  ??, ??)  000437C0 errlast+000180 (??, ??)
   0003F14C panic_msg+00004C (??)  00103484 .panic+000084 ()
   004BF030 m_copydata+0001B0 (??, ??, ??, ??)
   05EC5664 doghash+000444 (??)  05EC6570 dogisr+000190
  (F1000108A67FBDF8, F1000E042798F800,
     F1000E0447D96F5E)  05A02A98 eth_std_receive+000258 (??, ??,
  ??)  05A00C78 eth_receive+000238 (??, ??)
   05A492A4 rrent_receive+0006A4 (??, ??, ??)
   05A3F28C librrhba_response_slih+00082C (??)
   0019D66C i_poll_soft+00012C (??) (104)> more (¬C to quit)
  ?
  

Problem conclusion

• Validate before adjusting the mbuf tail.
  

Temporary fix

Comments

• 6100-09 - use AIX APAR IV82752
  7100-04 - use AIX APAR IV82828
  7200-01 - use AIX APAR IV82776
  

APAR Information

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

  IV82036

• 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 U869863

     UP16/10/25 I 1000