OR
3. Use the workaround of setting:
"_hash_join_enabled"= false
References
BUG:9781592 - ORA-600 [KCBLASM_1] [103] DURING HASH JOIN QUERY USE ON DATABASE IN DWH
BUG:9800302 - 10.2.0.5 GETTING ORA-00600 [KCBLASM_1]
BUG:9804132 - INSERT FAILS WITH ORA-600 [KCBLASM_1], [103]
NOTE:209768.1 - Database, FMW, EM Grid Control, and OCS Software Error Correction Support Policy
NOTE:742060.1 - Release Schedule of Current Database Releases
NOTE:7612454.8 - Bug 7612454 - More "direct path read" operations / OERI:kcblasm_1