ORA-39126: Worker unexpected fatal error in KUPW$WORKER

現象

Data Pump でスキーマ・モードでエクスポートしたら、ORA-39126, ORA-00060, ORA-06512, ORA-39014 が発生する。

Export: Release 10.2.0.4.0 - 64bit Production on Monday, 30 August, 2010 23:34:28

Copyright (c) 2003, 2007, Oracle.  All rights reserved.
;;; 
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Starting "SYSTEM"."SYS_EXPORT_SCHEMA_17":  system/******** directory=dump_dir dumpfile=***** parallel=2 logfile=********.log flashback_time="TO_TIMESTAMP(TO_CHAR(SYSDATE,'YYYY-MM-DD HH24:MI:SS'),'YYYY-MM-DD HH24:MI:SS')" 
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.UPDATE_TD_BASE_PO_INFO [TABLE_DATA:"****"."****":"****"."****"] 
UPDATE "SYSTEM"."SYS_EXPORT_SCHEMA_17" mtu SET mtu.base_process_order = NVL((SELECT mts1.process_order FROM "SYSTEM"."SYS_EXPORT_SCHEMA_17" mts1 WHERE  mts1.process_order > 0 AND mts1.duplicate = 0 AND mts1.obj
ect_schema = mtu.base_object_schema AND mts1.object_name = mtu.base_object_name AND mts1.object_type = mtu.base_object_type), (-1000 - (SELECT MIN(mts2.process_order) FROM "SYSTEM"."SYS_EXPORT_SCHEMA_17" mts2 W
HERE  mts2.process_order > 0 AND mts2.duplicate = 0 AND mts2.object_schema = mtu.base_object_schema AND mts2.object_name = mtu.base_object_name AND mts2.object_type = mtu.object_type))) WHERE mtu.process_order 
> 0 AND mtu.duplicate = 0 AND mtu.object_path_seqno = :1
ORA-00060: deadlock detected while waiting for resource
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 105
ORA-06512: at "SYS.KUPW$WORKER", line 6351
----- PL/SQL Call Stack -----
  object      line  object
  handle    number  name
0x65e329920     15032  package body SYS.KUPW$WORKER
0x65e329920      6372  package body SYS.KUPW$WORKER
0x65e329920     13924  package body SYS.KUPW$WORKER
0x65e329920     14123  package body SYS.KUPW$WORKER
0x65e329920      9124  package body SYS.KUPW$WORKER
0x65e329920      1936  package body SYS.KUPW$WORKER
0x65e329920      6944  package body SYS.KUPW$WORKER
0x65e329920      1314  package body SYS.KUPW$WORKER
0x65e2f2148         2  anonymous block
Job "SYSTEM"."SYS_EXPORT_SCHEMA_17" stopped due to fatal error at 23:35:16
ORA-39014: One or more workers have prematurely exited.