DROP SYNONYM Fails With ORA-7445 [Kggmd5process]
(Doc ID 1398923.1)
Last updated on FEBRUARY 03, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.2 to 11.2.0.3 [Release 11.2]Information in this document applies to any platform.
Symptoms
ORA-7445 [kggmd5Process] dropping or compiling a synonym.
SQL> DROP SYNONYM MWOLAK.CONTRACTS;
ERROR:
ORA-03113: end-of-file on communication channel
Process ID: 19546294
Session ID: 266 Serial number: 3
Alert log shows the internal error ORA-7445 [kggmd5Process] :
...
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x7000001B6010004] [PC:0x1001A5284, kggmd5Process()+164] [flags: 0x0, count: 1]
Errors in file /global/hurtownia/diag/rdbms/cbtest0/CBTEST0/trace/CBTEST0_ora_19546294.trc (incident=13453):
ORA-07445: Exception encountered: CORE Dump [kggmd5Process()+164] [SIGSEGV] [ADDR:0x7000001B6010004] [PC:0x1001A5284] [Address not mapped to object] []
Incident details in: /global/hurtownia/diag/rdbms/cbtest0/CBTEST0/incident/incdir_13453/CBTEST0_ora_19546294_i13453.trc
...
Stack trace will be similar to the following:
kglComputeHash kglGetHot kglttghd kglgtbo kqlCompileSynonym kqllod kglobld kglobpn kglpim kglpin kkdllk0 kkdlGetCodeObject dsydrv opiexe ...
or
kggmd5Process kggmd5Update
or
kggmd5Process kggmd5Update
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |