ORA-07445 [kmp_srv_get_cond()+80] and ORA-07445 [kmp_cmon_handoff()+55] When Using DRCP.

(Doc ID 778860.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Information in this document applies to any platform.
Oracle Server Enterprise Edition - Version: 11.1.0.6 to 11.1.0.7

Symptoms

The following errors are reported in the alert log :

ORA-07445: exception encountered: core dump [kmp_srv_get_cond()+80] [SIGSEGV] 

ORA-07445: exception encountered: core dump [kmp_cmon_handoff()+55] [SIGSEGV]
[A DDR:0x0] [PC:0x490F781] [Address not mapped to object] [] 

Many core dumps may be generated.

A hang at the application level with connections to the database could also occur.

Changes

Using Database Resident Connection Pooling (DRCP) with high number of connections.

Cause

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