ERROR:
Format: ORA-600 [25027] [a] [b]
VERSIONS:
versions 9.2 and above
ARGUMENTS:
Arg [a] Tablespace Number (TSN)
Arg [b] Decimal Relative Data Block Address (RDBA)
In 12c it includes Multitenant information:
Arg [a] 0 if Multitenant is not enabled or 0 if there is not Root CDB session, 1 ROOT PDBID, otherwise PDBID top session
Arg [b] PDBID
Arg [c] Tablespace Number (TSN)
Arg [d] Decimal Relative Data Block Address (RDBA)
SUGGESTIONS:
1. If the Arg [b] onr [d] in 12c (the RDBA) is 0 (zero), then this could be caused by fake indexes.
The following query will list fake indexes:
select do.owner,do.object_name, do.object_type,sysind.flags
from dba_objects do, sys.ind$ sysind
where do.object_id = sysind.obj#
and bitand(sysind.flags,4096)=4096;
If the above query returns any rows, check the objects involved and consider dropping them as they can cause this error.
2. Run analyze table validate structure on the table referenced in the Current SQL statement in
the related trace file.
If the Known Issues section below does not help in terms of identifying
a solution, please submit the trace files and alert.log to Oracle
Support Services for further analysis.
Known Issues:
You can restrict the list below to issues likely to affect one of the following versions by clicking the relevant button:
NB Prob Bug Fixed Description II 18878420 ORA-600 [25027] can occur with large datafiles using ASSM I 18490543 12.1.0.2, 12.2.0.0 ORA-600 [25027][0][0] from ALTER TABLE .. MOVE with nosegment index I 14576755 12.1.0.1.4, 12.1.0.2, 12.2.0.0 Corruption type ORA-600 errors from heavy concurrent DML on index cluster table II 14010183 11.2.0.3.BP22, 11.2.0.4.2, 11.2.0.4.BP03, 12.1.0.1.4, 12.1.0.2, 12.2.0.0 ORA-600 [ktspfundo:objdchk_kcbgcur_3] in SMON after failed temp segment merge load III 13503554 11.2.0.4, 12.2.0.0 Various ORA-600 errors crashing the apply process in a downstreams environment II 13785716 11.2.0.4, 12.1.0.1 Intermittent ORA-600 [25027] during upgrade from 10.2 to 11.2 I 11661824 11.2.0.1.BP09 Assorted Dumps by SQL*LOADER using DIRECT and PARALLEL after exadata bp8 is applied II 19171086 12.2.0.0 ORA-600 [25027] when local index has unusable index partitions II 10067246 12.1.0.2, 12.2.0.0 ORA-600 [25027] ORA-7445 [kauxs_do_dml_cooperation] ORA-8102 during CREATE INDEX ONLINE III 13505390 11.2.0.3.BP04, 11.2.0.4 ORA-600 [kkedsgettabblkcnt: null segment] / ORA-600 [25027] against PARTITION table with Delayed Segment Creation or Interval Partitioned Table II 14138130 11.2.0.3.5, 11.2.0.3.BP13, 11.2.0.4, 12.1.0.1 SGA memory corruption / ORA-7445 when modifying uncompressed blocks of an HCC-compressed segment II 13566938 11.2.0.3.4, 11.2.0.3.BP10, 11.2.0.4, 12.1.0.1 ORA-600 [kcbgtcr_1] / ORA-600 [kkpo_rcinfo_defstg:objnotfound] / ORA-600 [25027] against a Partitioned Table during Dynamic Sampling II 13330018 11.2.0.4, 12.1.0.1 ora-600 [ktspfmb_add1], [4294959240] occurred, then cannot recover with ora-600[25027] III 13103913 11.2.0.2.BP15, 11.2.0.3.3, 11.2.0.3.BP03, 11.2.0.4, 12.1.0.1 ORA-600 [25027] [ts#] [1] or false ORA-1 during dml while index is being rebuilt online II 12821418 11.2.0.3.8, 11.2.0.3.BP18, 11.2.0.4, 12.1.0.1 Direct NFS appears to be sending zero length windows to storage device. It may also cause Lost Writes II 12619529 11.2.0.3.BP18, 11.2.0.4, 12.1.0.1 ORA-600[kdsgrp1] from SELECT on plugged in tablespace with FLASHBACK II 12321309 11.2.0.4, 12.1.0.1 ORA-600 / ORA-8103 UNUSABLE state of partitioned index is not carried across by TABLESPACE transport using DataPump III 10394825 11.2.0.3, 12.1.0.1 ORA-600[25027] [..] [0] inserting to ASSM segment - 10329146 11.2.0.1.BP10, 11.2.0.2.2, 11.2.0.2.BP03, 11.2.0.2.GIBUNDLE02, 11.2.0.2.GIPSU02, 11.2.0.3, 12.1.0.1 Lost write in ASM with multiple DBWs and a disk is offlined and then onlined + II 10209232 11.1.0.7.7, 11.2.0.1.BP08, 11.2.0.2.1, 11.2.0.2.BP02, 11.2.0.2.GIBUNDLE01, 11.2.0.3, 12.1.0.1 ORA-1578 / ORA-600 [3020] Corruption. Misplaced Blocks and Lost Write in ASM + IIII 9399991 11.1.0.7.5, 11.2.0.1.3, 11.2.0.1.BP04, 11.2.0.2, 12.1.0.1 Assorted Internal Errors and Dumps (mostly under kkpa*/kcb*) from SQL against partitioned tables * III 9145541 11.1.0.7.4, 11.2.0.1.2, 11.2.0.2, 12.1.0.1 OERI[25027]/OERI[4097]/OERI[4000]/ORA-1555 in plugged datafile after CREATE CONTROLFILE in 11g E II 8837919 11.2.0.2, 12.1.0.1 DBV / RMAN enhanced to detect ASSM blocks with ktbfbseg but not ktbfexthd flag set as in Bug 8803762 III 8803762 11.1.0.7.6, 11.2.0.1.2, 11.2.0.1.BP06, 11.2.0.2, 12.1.0.1 ORA-600[kdsgrp1], ORA-600[25027] or wrong results on 11g database upgrade from 9i II 8716064 11.2.0.2, 12.1.0.1 Analyze Table Validate Structure fails on ADG standby with several errors + II 8597106 11.2.0.1.BP06, 11.2.0.2, 12.1.0.1 Lost Write in ASM when normal redundancy is used II 7251049 11.2.0.1.BP08, 11.2.0.2, 12.1.0.1 Corruption in bitmap index introduced when using transportable tablespaces - 8437213 10.2.0.4.3, 10.2.0.5, 11.1.0.7.7, 11.2.0.1 ASSM first level bitmap block corruption III 8356966 11.2.0.1 ORA-7445 [kdr9ir2rst] by DBMS_ADVISOR or false ORA-1498 by ANALYZE on COMPRESS table * III 8198906 10.2.0.5, 11.2.0.1 OERI [kddummy_blkchk] / OERI [5467] for an aborted transaction of allocating extents * III 7263842 10.2.0.4.2, 10.2.0.5, 11.1.0.7.1, 11.2.0.1 ORA-955 during CTAS / OERI [ktsircinfo_num1] / dictionary inconsistency for PARTITIONED Tables - 6666915 10.2.0.5, 11.1.0.7, 11.2.0.1 OERI[25027] / dictionary corruption from concurrent partition DDL - 6025993 10.2.0.5, 11.1.0.6 ORA-600 [25027] in flashback archiving queries - 4925342 9.2.0.8, 10.2.0.3, 11.1.0.6 OERI [25027] / OERI [25012] on IOT analyze estimate statistics * IIII 7190270 10.2.0.4.1, 10.2.0.5 Various ORA-600 errors / dictionary inconsistency from CTAS / DROP - 4310371 9.2.0.8, 10.2.0.2 OERI [25027] from concurrent startup / shutdown in RAC - 4177651 10.2.0.1 Row migration within a MERGE may OERI[25027] - 4020195 10.1.0.5, 10.2.0.1 OERI 25027 can occur in RAC accessing transported tablespace - 4000840 9.2.0.7, 10.1.0.4, 10.2.0.1 Update of a row with more than 255 columns can cause block corruption II 3963135 10.1.0.5, 10.2.0.1 OERI[kcbgcur_3] / OERI:25027 during bitmap index updates - 3829900 10.1.0.4, 10.2.0.1 OERI[25027] possible accessing index in 10g - 2942185 9.2.0.6, 10.1.0.4, 10.2.0.1 Corruption occurs on direct path load into IOT with ADDED columns II 3085057 10.1.0.2 ORA-600: [25027] from ALTER TABLE .. SHRINK SPACE CASCADE - 2926182 9.2.0.5, 10.1.0.2 OERI[25027] / ORA-22922 accessing LOB columns in IOT in AFTER UPDATE trigger