how to analysis core file

[常有慈悲心]

hi,

One of my application exit abnormally recently with the attached core file, but i don't know how to debug my programm. Who can help me to translate the core file to the ascii file that i can read? or tell me which tools to can be used to analysis the core and the manaual about the tools

[Muthukumar_5]

You can start as,

# file core
# what core
# gdb
gdb) bt

to get stack trace informations.

hth.

[Joseph Loo]

hi,

to read and analyse the core file in ascii:

# strings core|more

to assess which error the core pertains to:

# file core


regards.

[常有慈悲心]

hi,

When i use the gdb to debug the core file, there show some odd symbol such as ??? and others. what is the reason?
and should the environment parameters of LANG be redefined? or others cause ?

[常有慈悲心]

hi,

Who have the referrence article about how to debug the application or the document about how to use the gdb an q4

B.R.

[Joseph Loo]

hi,

refer to this man page on gdb:

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

refer to this doc on Q4:

http://www1.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000062967345

regards.

[vinod_25]

hi chin

the q4 reference manual is inbuilt in Q4ReferenceManual.ps and there is no MAN page for this tool

path and files...

/usr/contrib/doc >ll
total 1952
-r--r--r-- 1 3031 171 56490 Dec 2 1997 Q4BeginnersGuide.ps
-r--r--r-- 1 bin bin 467968 Nov 14 2000 Q4Docs.tar
-r--r--r-- 1 3031 171 37747 Dec 2 1997 Q4KernelDevelopersGuid
e.ps
-r--r--r-- 1 3031 171 215246 Dec 2 1997 Q4ProgrammersReference
.ps
-r--r--r-- 1 3031 171 154211 Dec 2 1997 Q4ReferenceManual.ps
-r--r--r-- 1 bin bin 48125 Sep 5 2001 keymap_ed.doc

Good luck

Vinod