ORA-07445 [ksfdgo] on Sessions Under Load (Doc ID 1422753.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 to 11.2.0.1 [Release 10.2 to 11.2]
Information in this document applies to any platform.

Symptoms

Sessions are failing under load with:


ORA-07445: exception encountered: core dump [ksfdgo()+524] [SIGSEGV] [Address not mapped to object] [0xFFFFFFFF79774488] [] []


Review of the generated tracefiles reveals a call stack similar to:


ksfdgo ksfdaio1 kcflbi kcbldio kcblsltio kxhfWrite




Cause

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