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ORA-7445 memcpy with _db_block_cache_protect=true (Doc ID 1376668.1)

Last updated on OCTOBER 01, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

While performing DML, you encounter this error message:
ORA-7445 [_memcpy()+44] ,
for example:
*** 2011-10-25 06:02:50.373
dbkedDefDump(): Starting a non-incident diagnostic dump (flags=0x3, level=3, mask=0x0)
----- Current SQL Statement for this session (sql_id=nnnnnnnn) -----
<UPDATE  statement with bind variables>

This is a common error message. It is more likely a match to this issue if you see some or all of the following function codes in the "Call Stack Trace" section of your trace file:

----- Call Stack Trace -----
memcpy  kafcpy  qertbRelease  rwsrld  rwsrld
.........

Cause

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In this Document
Symptoms
Cause
Solution


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