Update May Raise One or Some ORA-7445 Error(s) With First Argument Like [_memcpy], [_intel_fast_memcpy.A], [_memmove], [kgidum] or [kgscDump]

(Doc ID 729206.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.8 to 10.2.0.4 [Release 9.2 to 10.2]
Information in this document applies to any platform.
***Checked for relevance on 17-Nov-2011***

Symptoms

You could be getting either of the following errors in the alert.log or all of them while running an update statement:

ORA-07445: exception encountered: core dump [_memmove()+2369] [SIGSEGV] [Address not mapped to object] [0x9FFFFFFFBF200000] [] []

ORA-07445: exception encountered: core dump [kgidum()+1536] [SIGSEGV] [Address not mapped to object] [0x9FFFFFFFBF200000] [] []

ORA-07445: exception encountered: core dump [kgscDump()+1376] [SIGSEGV] [Address not mapped to object] [0xB38F00000000B1] []

ORA-7445: exception encountered: core dump [_memcpy()+2369] [SIGSEGV]
[Invalid permissions for mapped object] [0x9FFFFFFFBF448028] [] []

ORA-07445: exception encountered: core dump[_intel_fast_memcpy.A()+10] [SIGSEGV] [Invalid permissions for mapped object] [0x2A9768C000] [] []


The call stack extracted from the trace file for the above error(s) will look similar to:

... updgrh upduaw kdusru kauupd updrow qerupRowProcedure qerupFetch updaul updThreePhaseExe updexe opiexe kpoal8 opiodr ttcpip opitsk opiino opiodr opidrv ...

In cases, the call stack functions may be presented like:

... intel_fast_memcpy updgrh PGOSF480_upduaw kdusru kauupd updrow PGOSF536_qerupRow Procedure qerupFetch updaul updThreePhaseExe updexe opiexe ...


If you enable the 1551 event tracing, a trace file is generated at the time of the internal error reporting the following:

Errors in file /u10/app/oracle/admin/sid/udump/sid_ora_x.trc:
ORA-01551: extended rollback segment, pinned blocks released

 

Changes

Upgraded to 9.2.0.8 or 10.2.0.4.

 

Cause

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