Database will not Mount: ORA-15064 - ORA-600[ORA_NPI_ERROR],[600],[ORA-600[kfnsInstanceReg00] - ORA-600[OSDEP_INTERNAL]
(Doc ID 1455882.1)
Last updated on JANUARY 30, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.3 and laterOracle Database - Standard Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.
Symptoms
Database which stores its data in ASM will not mount and throw the following errors:
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Thu Apr 19 13:59:31 2012
Errors in file $ORACLE_BASE/diag/rdbms/racdb/racdb1/trace/racdb1_asmb_24508.trc:
ORA-15064: communication failure with ASM instance
ORA-00600: internal error code, arguments: [ORA_NPI_ERROR], [600], [ORA-00600: internal error code, arguments: [kfnsInstanceReg00],
[racdb:racdb1], [30000], [], [], [], [], [], [], [], [], []], [], [], [], [], [], [], [], [], []
...
Errors in file $ORACLE_BASE/diag/rdbms/racdb/racdb1/trace/racdb1_asmb_24617.trc (incident=254557):
ORA-00600: internal error code, arguments: [OSDEP_INTERNAL], [], [], [], [], [], [], [], [], [], [], []
ORA-27302: failure occurred at: skfnbeqOpenI
Incident details in: $ORACLE_BASE/diag/rdbms/racdb/racdb1/incident/incdir_254557/racdb1_asmb_24617_i254557.trc
...
ORA-15083: failed to communicate with ASMB background process
ORA-00210: cannot open the specified control file
ORA-00202: control file: '+DATA/racdb/control01.ctl'
ORA-17503: ksfdopn:2 Failed to open file +DATA/racdb/control01.ctl
ORA-15001: diskgroup "DATA" does not exist or is not mounted
ORA-15055: unable to connect to ASM instance
...
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These errors occur at the time the database attempts to mount, thus access the ASM instance for the database files.
Seems the database processes cannot connect to the started ASM instance (which has all required ASM disk groups mounted)
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |