ORA-07445[kgghash] Error Raised On RAC During Hang Analyze (Doc ID 785295.1)

Last updated on APRIL 20, 2010

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.2 to 10.2.0.4 - Release: 10.2 to 10.2

Symptoms

System began to perform slowly. Nodes climbed to 100 percent functionality.

The following error is seen in the alert log during a hang analyze:
   ORA-07445: exception encountered: core dump [kgghash()+#] [SIGSEGV] [Address not mapped to object]

The call stack can look like this:
   ... kgghash kqrhngc kjzhccbk kjzhmhnd kjzgprmsg kjzgrcv kjzdm ksbrdp

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms