Instance Crashes With ORA-00600 [kclrwrite_16] When Attempting To Use MATERIALIZE Hint
(Doc ID 1606822.1)
Last updated on OCTOBER 15, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.3 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Standby RAC database opened READ ONLY, temp table transformation will
attempt to perform temp writes during parallel execution in the
remote instance.
This will ultimately lead the DBWR raising a kclrwrite_16 assert
as the database is open read only.
Symptoms
SQL> connect <user_name>/<pwd>
Connected.
SQL> with XYZ as (select /*+ MATERIALIZE PARALLEL(e,3) */ * from T1 e)
select /*+ PARALLEL(m, 3) */ COL1 from XYZ m; 2
with XYZ as (select /*+ MATERIALIZE PARALLEL(e,3) */ * from T1 e)
*
ERROR at line 1:
ORA-16000: database open for read-only access
SQL> with XYZ as (select /*+ MATERIALIZE PARALLEL(e,3) */ * from T1 e)
select /*+ PARALLEL(m, 3) */ COL1 from XYZ m; 2
with XYZ as (select /*+ MATERIALIZE PARALLEL(e,3) */ * from T1 e)
*
ERROR at line 1:
ORA-12805: parallel query server died unexpectedly
Remote instance <instance_name> will get a kcl assert as it is asked to write
out a temp segment header from the temp table transformation:
Wed Feb 06 08:47:47 2013
Errors in file
/<DIR>/<SID>_dbw0_2986.trc (incident=1737):
ORA-00600: internal error code, arguments: [kclrwrite_16], [], [], [], [],
[], [], [], [], [], [], []
Incident details in:
/<DIR>/<SID>_dbw0_29861_i173.trc
Call stack
............
dbgexExplicitEndInc [diag_dde]
dbgeEndDDEInvocationImpl [diag_dde]
dbgeEndDDEInvocation [diag_dde]
kclrwrite []<-- Signaling
kcbbxsv [CACHE_RCV]
kcbb_coalesce [CACHE_RCV]
kcbbwlru [CACHE_RCV]
kcbbdrv [CACHE_RCV]
ksbabs [background_proc]
ksbrdp [background_proc]
opirip []
opidrv []
sou2o []
opimai_real []
ssthrdmain []
main []
_libc_start_main []
_start []
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |