IJ54896: CRASH IN ASO KERNEL CODE WHEN RUN WITH DR CPU REMOVE OPERATION

APAR status

• Closed as program error.

Error description

• ****************************************************************
  * USERS AFFECTED:
  * Systems running the 7300-02 Technology Level with
  * any of the following filesets at or between the given levels:
  * MIN          MAX          FILESET
  * 7.3.2.0      7.3.2.4      bos.mp64
  ****************************************************************
  * PROBLEM DESCRIPTION:
  * System crashes with following stack:
  *  0002CD00 abend_trap+000000 ()
  *  000826B0 xmdbg_do_xmfree_record+000630 (??, ??, ??, ??)
  *  00110580 xmfree_backend+000840 (??, ??, ??, ??)
  *  0010F8A8 xmfree_frontend+000128 (??, ??, ??)
  *  005B461C aso_bufmgr_detach+00015C (??)
  ****************************************************************
  * RECOMMENDATION:
  * Update to AIX 7300-02-04-2520 or later.
  ****************************************************************
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:
  * Systems running the 7300-02 Technology Level with
  * any of the following filesets at or between the given levels:
  * MIN          MAX          FILESET
  * 7.3.2.0      7.3.2.4      bos.mp64
  ****************************************************************
  * PROBLEM DESCRIPTION:
  * System crashes with following stack:
  *  0002CD00 abend_trap+000000 ()
  *  000826B0 xmdbg_do_xmfree_record+000630 (??, ??, ??, ??)
  *  00110580 xmfree_backend+000840 (??, ??, ??, ??)
  *  0010F8A8 xmfree_frontend+000128 (??, ??, ??)
  *  005B461C aso_bufmgr_detach+00015C (??)
  ****************************************************************
  * RECOMMENDATION:
  * Update to AIX 7300-02-04-2520 or later.
  ****************************************************************
  

Problem conclusion

• Write was happening beyond allocation limit of elapsed buffer.
  Changes are made to write based on allocation limit of elapsed
  time buffer.
  

Temporary fix

Comments

APAR Information

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

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

Fix information

• Fixed component name

  AIX V7.3

• Fixed component ID

  5765CD300

Applicable component levels