2656787 - DB2 LUW db2iupgrade failed . . . DBI1124E Instance db2<sid> could not be upgraded . . . DBI1264E . . . DBT5529N . . . DBI1205E

db2iupgrade
   command line error
      A minor error occurred during the execution.
      For more information see the DB2 installation log at "/tmp/db2iupgrade.log.#####".
      DBI1264E This program failed. Errors encountered during execution were written to the installation log file.
                     Program name: db2iupgrade. Log file name: /tmp/db2iupgrade.log.#####.

db2iupgrade.log
   ERROR: DBI1124E  Instance db2<sid> could not be upgraded

   DBT5529N  The db2ckupgrade utility did not complete successfully.
          The database cannot be upgraded.
          The output log file is named "/db2/db2<sid>/upgrade.log".
   
   ERROR: An error occurred while upgrading the instance "db2<sid>". The return
               value is "1". If the problem persists contact your technical service
               representative.

   ERROR: DBI1205E  One or more local databases cannot be upgraded to the version
               from which you are running this command. Check the log file
               /db2/db2<sid>/upgrade.log for the list of errors.

   ERROR: An error occurred while configuring the instance "db2<sid>".

• DB2 9.7FP8 being upgraded to DB2 10.5 FP9SAP

KBA , BC-DB-DB6 , DB2 Universal Database for Unix / NT , Problem