IV82161: DSI CRASH IN VIOENT_OUTPUT APPLIES TO AIX 7100-04

APAR status

• Closed as program error.

Error description

• Machine crash in vioent_output with DSI_PROC and the
  following at top
  of stack:
  vioent_output+000A04 (0000000000000000, F100050007E85FF0
  [??])
  send_packet+000230 (??, ??)
  vlan_output+000108 (??, ??)
  ....
  This problem was introduced in AIX 7.1.4.0 and 6.1.9.100
  .
  

Local fix

• Avoid use of vlan adapters.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:
  * Systems running the 7100-04 Technology Level with
  * devices.common.IBM.ethernet.rte at 7.1.4.0 or 7.1.4.1
  ****************************************************************
  * PROBLEM DESCRIPTION:
  * Machine crash in vioent_output with DSI_PROC and the
  * following at top
  * of stack:
  * vioent_output+000A04 (0000000000000000, F100050007E85FF0
  *  ?? )
  * send_packet+000230 (??, ??)
  * vlan_output+000108 (??, ??)
  * ....
  * This problem was introduced in AIX 7.1.4.0 and 6.1.9.100
  * .
  ****************************************************************
  * RECOMMENDATION:
  * Install APAR IV82161.
  ****************************************************************
  

Problem conclusion

• Code corrected to properly manage the mbuf by ensuring that
  entire ethernet header is contained in single mbuf.
  

Temporary fix

Comments

• 6100-09 - use AIX APAR IV85891
  7100-04 - use AIX APAR IV82161
  7100-04 - use AIX APAR IV82161
  7200-01 - use AIX APAR IV85990
  ×**** PE18/05/15 PTF IN ERROR. SEE APAR IV97736  FOR DESCRIPTION
  

APAR Information

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

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

  IV85891 IV85990 IV86084 IV88144 IV88344 IV88576

Fix information

• Fixed component name

  AIX V7.1

• Fixed component ID

  5765H4000

Applicable component levels

• R710 PSY U862908

     UP16/10/25 I 1000