IT21541: CERTAIN IO REQUESTS THAT ARE BUNCHED AREN'T PROPERLY UNPACKED CAUSING KAIO_BB_UNPACK(): SPAN (1) IS < OPS (2) ASSERTION

APAR status

• Closed as program error.

Error description

• The assert failed message:
  
  00:01:24  Assert Failed: kaio_bb_unpack(): span (1) is < ops (2)
  00:01:24   Who: Thread(204, kaio, 0, 9)
          File: kaio_gskit.c Line: 2217
  
  stack trace:
  
  afstack
  afhandler
  afcrash_interface
  kaio_unpack_bb
  kaio_complete
  kaiothread
  startup
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users of IDS prior to 12.10.xC9W1 and 11.70.xC10             *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * The assert failed message:                                   *
  *                                                              *
  * 00:01:24  Assert Failed: kaio_bb_unpack(): span (1) is < ops *
  * (2)                                                          *
  * 00:01:24   Who: Thread(204, kaio, 0, 9)                      *
  *         File: kaio_gskit.c Line: 2217                        *
  *                                                              *
  * stack trace:                                                 *
  *                                                              *
  * afstack                                                      *
  * afhandler                                                    *
  * afcrash_interface                                            *
  * kaio_unpack_bb                                               *
  * kaio_complete                                                *
  * kaiothread                                                   *
  * startup                                                      *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Fixed in IDS 12.10.xC9W1+ and 11.70.xC10 if and when it      *
  * becomes available.  If this fix is required, contact         *
  * Informix Technical Support.                                  *
  ****************************************************************
  

Problem conclusion

• Problem Fixed In IBM Informix Server 12.10.xC9W1+ and
  11.70.xC9W2.
  

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

  IFMX ULT WHSE E

• Fixed component ID

  IM0019BOS

Applicable component levels