Instance Termination With ORA-4030 Or ORA-27103 When _DB_BLOCK_CACHE_PROTECT Is Set

(Doc ID 1662066.1)

Last updated on APRIL 28, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 to 12.1.0.1 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

Running multiple RAC instances, an instance may terminate with errors like:

ORA-04030: out of process memory when trying to allocate 32792 bytes (callheap,kdbmal allocation)
ORA-27103: internal error
Linux-x86_64 Error: 12: Cannot allocate memory
Additional information: 27129
Additional information: -12
Additional information: 4

where Error 27129 is "VLM Map operation failed".

Changes

Parameter _db_block_cache_protect  = "MEDIUM" or "TRUE" was set.

Cause

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