Core Dump File

[Keith custer]

I have a core file that I believe an applicatin created. I only just found that they exist and where to find it. I have no idea what it does or how to analyse it. The server is a H60. Just got it back up and running after replacing the main memory card.

[Steven E. Protter]

Shalom,

core file exists where the application environment decides they should go. They can provide useful information about why an application fails.

strings filename

# can get you some useful information out of the file.

Vendors like Oracle analyze these files to determine the cause of oracle failures.

SEP

[Avinash20]

Please execute the following command to find out which executable did the core

# file

where is the filename of the core.
In your case

# file core

If it show oracle or any application process, I would advice you to log a call with the Application vendor to analyze the core

[Avinash20]

You may also install the GDB on your server to get the stack trace from the core which will be useful for the application team

You could download the GDB from

www.hp.com/go/gdb

[Dennis Handly]

How old is your core file? If not recent just remove it.

Your core was truncated. About the only useful thing is:
core: core file from 'cmmload' - received SIGSEGV
Kernel: HP-UX sn42036 B.10.20 E 9000/887 ********

>SEP: strings filename
> can get you some useful information out of the file.

This is typically not that useful. At the end I see lots of:
/disk3/cmmData/P95270.812

>Avinash: You may also install the GDB on your server

I'm not sure gdb is still available for 10.20.

[Robert-Jan Goossens]

GDB is still available for 10.20.

http://mirrors.develooper.com/hpux/downloads.html

Regards,
Robert-Jan

[Dennis Handly]

>Robert-Jan: GDB is still available for 10.20.

This isn't HP's WDB.

[Keith custer]

So I got around to downloading the GDB file and got it uploaded to the server through ftp using the put command. I tried to run it as root using tar jxvf and it didn't work cause it doesn't recognize the *j* option. How do I get the GDB software installed? Do I have to install another package that will allow me to extract the GDB .tbz file?

Also all these P95270.812 files are locate in the "/disk3/cmmData" directory. They are files from another PC that get uploaded to the directory and a cron job starts the C program and compiles them into another file format and uploads those to a Database.

[T G Manikandan]

tbz2 requires bzip2 to uncompress.

http://hpux.connect.org.uk/hppd/hpux/Misc/bzip2-1.0.5/

Alternatively you can download gdb at

http://hpux.connect.org.uk/hppd/hpux/Gnu/gdb-5.3/

[Keith custer]

I got the tar version of GDB but this H60 doesn't have much of anything on it for extracting these files. Where can I get gzip or bunzip2 so I can extract and install this app. The H60 is running HP-UX 10.20.