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Old 07-27-2010, 04:21 PM
John Doe
 
Default CENTOS 5.5 segfault what it mean??

From: mcclnx mcc <mcclnx@yahoo.com.tw>

> We have CENTOS 5.5 on DELL server and several ORACLE databases on version
>10.2.0.4 and 11.1.0.7. Recently I found following messages popup on
>/var/log/messages:
> Jul 26 16:28:03 ORA6 kernel: oracle[29286]: segfault at fffffffffffffff0 rip
>0000000007d54183 rsp 00007fffff6c3080 error 4
> Jul 26 16:28:07 ORA6 kernel: oracle[29300]: segfault at fffffffffffffff0 rip
>0000000007d54183 rsp 00007fff47838560 error 4
> Jul 26 16:28:11 ORA6 kernel: oracle[29309]: segfault at fffffffffffffff0 rip
>0000000007d54183 rsp 00007fffda1a3ee0 error 4
> Jul 26 16:28:15 ORA6 kernel: oracle[29322]: segfault at fffffffffffffff0 rip
>0000000007d54183 rsp 00007fff97087220 error 4
> Jul 26 16:28:19 ORA6 kernel: oracle[29337]: segfault at fffffffffffffff0 rip
>0000000007d54183 rsp 00007fffb3647280 error 4
> I can not find and trace file or core dump file on O.S. and ORACLE databases.
>I also check hardware log and NO memory or disks error.

Maybe try ulimit as the user to see the max size of core dumps?
ulimit -a
Althought I am not sure it would be a blocking parameter...

JD



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Old 07-28-2010, 01:30 PM
Ross Walker
 
Default CENTOS 5.5 segfault what it mean??

On Jul 27, 2010, at 11:11 AM, mcclnx mcc <mcclnx@yahoo.com.tw> wrote:

> We have CENTOS 5.5 on DELL server and several ORACLE databases on version 10.2.0.4 and 11.1.0.7. Recently I found following messages popup on /var/log/messages:
>
>
> Jul 26 16:28:03 ORA6 kernel: oracle[29286]: segfault at fffffffffffffff0 rip 0000000007d54183 rsp 00007fffff6c3080 error 4
> Jul 26 16:28:07 ORA6 kernel: oracle[29300]: segfault at fffffffffffffff0 rip 0000000007d54183 rsp 00007fff47838560 error 4
> Jul 26 16:28:11 ORA6 kernel: oracle[29309]: segfault at fffffffffffffff0 rip 0000000007d54183 rsp 00007fffda1a3ee0 error 4
> Jul 26 16:28:15 ORA6 kernel: oracle[29322]: segfault at fffffffffffffff0 rip 0000000007d54183 rsp 00007fff97087220 error 4
> Jul 26 16:28:19 ORA6 kernel: oracle[29337]: segfault at fffffffffffffff0 rip 0000000007d54183 rsp 00007fffb3647280 error 4
>
> I can not find and trace file or core dump file on O.S. and ORACLE databases. I also check hardware log and NO memory or disks error.
>
> Any ideal?

Use the Oracle installation guides and check your ulimits and shared memory configuration.

If that doesn't fix it, call Oracle support.

-Ross

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