IT02647: ENGINE CRASHES DURING AUTO INDEX BUILD IF SHMTOTAL IS HIT AND IFTEMPORARY DBSPACE USES NONDEFAULT PAGESIZE

APAR status

• Closed as program error.

Error description

• Your Informix instance uses temporary dbspaces of non-default
  page size. On execution of a query which uses auto-index access
  plan Informix engine crashes with Assert Failure similar to the
  following:
  
  
  05:54:24  Assert Failed: Page Check Error in next_scan:bad data
  page
  05:54:24   Who: Session(27, dmitriyr@samson-ifx1, 10420436,
  700000020399288)
                  Thread(91, xchg_2.0, 70000002035e418, 1)
                  File: rsdebug.c Line: 1080
  05:54:24   Results: Possible inconsistencies in
  'tdb2:"dmitriyr"._temptable'
  05:54:24   Action: Run 'oncheck -cD 27262978'
  05:54:24  Raw hex dump of stack located in
  /sqldists/11.50.FC9W3/tmp/af.443bbf0.rawstk
  05:54:24  Stack for thread: 91 xchg_2.0
  
  The stack printed in the af.* file is:
  
  afstack
  afhandler
  bffail
  next_scan
  prod_loop1
  producer_thread
  startup
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * extreme low memory                                           *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Update to IDS-11.50.xC10                                     *
  ****************************************************************
  

Problem conclusion

• Problem Fixed In IDS-11.50.xC10
  

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

  INFORMIX SERVER

• Fixed component ID

  5725A3900

Applicable component levels

• RA10 PSN

     UP

• RA10 PSY

     UP

• RB10 PSN

     UP

• RB10 PSY

     UP

• RB50 PSN

     UP

• RB50 PSY

     UP

• RB70 PSN

     UP

• RB70 PSY

     UP

• RC10 PSN

     UP

• RC10 PSY

     UP