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ORA-7445 [kghquiesceable_extent_chkpin] Encountered During Database Operation (Doc ID 433714.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.2 and later
Information in this document applies to any platform.

Symptoms

The alert log reports next error and a possible instance crash:

ORA-07445: exception encountered: core dump [kghquiesceable_extent_chkpin()+328] [SIGBUS] [Invalid address alignment] [0xB38F0000000029] [] []


The call stack in the trace file shows function like:

... kghquiesceable_extent ksmc_select_granule kmgs_getgran_from_comp_helper kmgs_getgran_from_comp ...

 

Changes

The issue might occur after an upgrade or an increase in volume or anything else that might strain limited memory resources.

 

Cause

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