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From: <>
Date: Mon, 05 Feb 2001 08:37:18 -0800
Message-ID: <>

I posted a question to the list last week regarding this error and didn't get any responses. I'm trying again. We're on Oracle, and Solaris 6.

A few days ago we started receiving ora-07445 errors in the alert log. This happened when had to reboot the server. If we shutdown/restart the database the errors went away. Starting Friday the errors are happening when shutting down/starting up the db. We shutdown the db at midnight and start it at 2:15 am every day. We get lots of core dumps and trace files filling up the file system. We clean up the files and start the db, after that we don't receive the errors anymore until next stop/start the db.

I have submitted a tar to Oracle support, but so far they haven't come up with a solution or a cause for this. We made the changes they suggested but it didn't help. Sun suggested some changes to the hardware, but it hasn't help either.

Can anyone out there provide some insights on this? Here is one of our trace files:

Dump file /oracle02/app/oracle/admin/ORTE/udump/orte_ora_4674.trc Oracle8 Enterprise Edition Release - Production PL/SQL Release - Production
ORACLE_HOME = /oracle02/app/oracle/product/8.0.5 System name: SunOS

Node name:      auoracle1
Release:        5.6
Version:        Generic_105181-23
Machine:        sun4u

Instance name: ORTE
Redo thread mounted by this instance: 1
Oracle process number: 35
Unix process pid: 4674, image: oracleORTE

Exception signal: 11 (SIGSEGV), code: 1 (Address not mapped to object), addr: 0x626c6568, PC: lxdgetobj()+60
*** 2001.
ksedmp: internal or fatal error
ORA-07445: exception encountered: core dump [lxdgetobj()+60] [SIGSEGV] [Address not mapped to object] [1651271016] [] [] ----- Call Stack Trace -----

calling              call     entry                argument values in hex
location             type     point                (? means dubious value)
-------------------- -------- --------------------


Ana E. Choto
American University
Washington, DC


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