Re: insmod: error inserting 'test2.ko': -1 Unknown symbol in module

[jeshkumar555@gmail.com]

I don't know if it works, but I too got the same error and all the symbols are defined. But I forgot module_licence so it was giving symbol not found. If not added just add module_licence("GPL"), if added ignore this mail.

Sent from my HTC
Excuse for typo.

----- Reply message -----
From: "Pritam Bankar" <pritambankar1988 at gmail.com>
Date: Mon, Dec 3, 2012 12:18 pm
Subject: insmod: error inserting 'test2.ko': -1 Unknown symbol in module
To: "kernelnewbies" <kernelnewbies at kernelnewbies.org>

Hi,
What is basic reason behind error "Unknown symbol in module" ?
I have two modules test1.ko and test2.ko. test1.ko loads succesfully
but test2.ko gives error

insmod: error inserting 'test2.ko': -1 Unknown symbol in module

dmesg shows all symbols in module as unknown. To give more details I
have compiled both modules same way with same compiler options and
with modpost, Module.Symvers files.
Another point to mention is that both modules load perfectly on 2.6
kernel. But kernel on which I am trying is 3.0 series kernel.
What can be entry point to look into this issue ?

Thanks,
Pritam

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