Solved

Core Dumped with TKPROF

Posted on 1998-10-26
8
2,709 Views
Last Modified: 2012-01-24
I get a Memory Fault - core dumped when I try running tkprof on a .trc file.  Is there a problem with my istallation of the product or are there set up parameters that can be adjusted to fix this problem?
0
Comment
Question by:rderidder
  • 3
  • 2
  • 2
  • +1
8 Comments
 
LVL 3

Expert Comment

by:junfeb
ID: 1082251
This sometimes happens when your trace file has been truncated for some reason. A good reason why the trace file might get truncated is because of your dump file size parameter. Increase your max_dump_file_size init.ora parameter.

On solaris there was an oracle bug with earlier versions of 7. Please call oracle.

also check the oracle_sid is set properly.
0
 

Author Comment

by:rderidder
ID: 1082252
My trc file is only 2k and despite the fact that I set the max_dump_file_size variable to a value substantially larger than 2k, I still received the same error.
0
 

Author Comment

by:rderidder
ID: 1082253
Sorry, by the way, this is on SCO UNIX.
0
 
LVL 3

Accepted Solution

by:
poncejua earned 50 total points
ID: 1082254
If you checked the ORACLE_SID perhaps you're experimenting 263736 and 243801 bugs.

You have to upgrade to Oracle RDBMS version 7.2.3.  (These bugs are fixed in this release) or try the following workaround:  

Edit the .trc file to be fed to TKPROF.  
Change all occurances of:              
",og=0"       to             ",og=4"  

Solution Explanation:
=====================  
The Optimizer goal (og) is '0' in the trace file.  TKPROF is not expecting a zero value.  By changing that value to '4', the execute will occur.  
0
PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

 
LVL 3

Expert Comment

by:poncejua
ID: 1082255
Other tip to check out:

This article gives details on a problem reported in <Bug:376851>.
<Bug:376851> TKPROF utility segmentation fault (core dumps) on some platforms
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Versions Affected  
~~~~~~~~~~~~~~~~~
    This problem was introduced in Oracle7 release:  7.3.2.1
    This problem is fixed in Oracle7 release:        7.3.3  
Description
~~~~~~~~~~~
    In Oracle 7.3, on some platforms, running the tkprof utility against SQL trace files generated from SQLPLUS will result in a segmentation fault.


Platforms affected  
~~~~~~~~~~~~~~~~~~    
Include the following:
        Digital Unix        IBM RS/6000 AIX        IBM SP AIX
        Sequent DYNIX/ptx        Windows NT  

Workaround/s  
~~~~~~~~~~~~
    To avoid this problem remove the APPNAME line from the trace file, which can be done as follows on Unix platforms:
        grep -v APPNAME file.trc > newfile.trc
then use the tkprof utility on the newfile.trc in the usual way.
There are no patches available for this problem, the workaround described here should be used.
Please contact Oracle Worldwide Support to find out if 7.3.3 or higher is available for your platform.
0
 

Author Comment

by:rderidder
ID: 1082256
Great stuff! Thanks muchly.


0
 

Expert Comment

by:javiergrandat
ID: 37487531
Good Morning!!  I have Oracle 9 and i'm getting Memory fault when I try running tkprof on a .trc file.  It's weird because before, I could generate the tkprof without any problem, but later the error started to appear and we don't know the reason.  Thanks.
0
 

Expert Comment

by:javiergrandat
ID: 37487547
I searched for occurances of ",og=0", but the trace doesn't have that string.  Thanks
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Article by: Swadhin
From the Oracle SQL Reference (http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/queries006.htm) we are told that a join is a query that combines rows from two or more tables, views, or materialized views. This article provides a glimps…
This article started out as an Experts-Exchange question, which then grew into a quick tip to go along with an IOUG presentation for the Collaborate confernce and then later grew again into a full blown article with expanded functionality and legacy…
This video explains at a high level with the mandatory Oracle Memory processes are as well as touching on some of the more common optional ones.
This video explains what a user managed backup is and shows how to take one, providing a couple of simple example scripts.

929 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

9 Experts available now in Live!

Get 1:1 Help Now