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how to read core dump file

some time you get many errors on Error Report that told you there is  a core dump file and you don’t know where is the problem??

and if you try to read this file you will see a binary codes appear to you and it’s useless information like this :

#more PATH_OF_CORE_FILE
l-0.ashr.o��0ذoر^Av�ِ8��BM-^T/lib/core.o�,ز+q^K �ِ�M-^F^X^CZ�/lib/core.o,ذWء^AF6ِ#ه_l/lib/core.o<!?�    غ>!\,و^A5M-^@!80^G}M-^F![eP�0D!2ذ^

EX�!]zM-^@M-^PM-^@<!2M-^@HM-^_!^=pR<!1ِM-^@~!_M-^_h^]��<!)M-^Z^N!^M-^U@�t<!' ^A��!

so, there is a nice command that tell you on which module that core dump appear like this :

#lquerypv -h PATH_OF_CORE_FILE  6b0 64
020006C0     7FFAFFFD   DFFAFFFF  7FFFFAFF FFAFFFFD   |...........|
000002C0     00000004   000186A0  7FFAFFFF FFAFFFFF   |...........|
000D06D0     003F0000   8303B820  00002000 3000000C   |.?..... ...|
000006E0     6462646B   65796D67  720D0200 30000200   |dbkeyrora..|
000006F0     00020000   01000000  02000300 0000D000   |...........|
00D00700     00D00040   00@0D000  000D0000 03001D61   |..........a|
00000710     00002000   00000014  00003000 03001D61   |..........a|

from the previous output you can know the problem was on module “dbkeyrora” so you can contact your support or tell DB Administrator or Application Administrator

it’s dependence where you find the core dump file.

Summary :

To find out which application crashed the OS use:

# /usr/sbin/lquerypv -h /path/to/core 6b0 64

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