module_param does not work in Ubuntu 13.10 - Kernel 3.10.0-4

Srinivas Ganji srinivasganji.kernel at gmail.com
Fri Sep 6 07:04:22 EDT 2013


I have also tested, build KO file using your C file, on my kernel and it is
working fine. The kernel version is 3.2.11

Why don't you try any other kernel version and see whether you are getting
same error or not? I guess, it works.

Regards,
Srinivas G


On Fri, Sep 6, 2013 at 10:22 AM, <binoy.jayan at wipro.com> wrote:

> Hi all,
>
> I use the kernel version "3.10.0-4" that came with Ubuntu distribution.
> When I compile the example module I got from LKMPG (hello-5.c) and try to
> load the driver by passing the module with the following command, it gives
> the following error:
>
> # insmod parameter.ko mystring="bebop"
> Error: could not insert module parameter.ko: Unknown symbol in module
>
> Error in dmesg:
>
> [ 3687.132110] parameter: Unknown parameter `mystring'
>
> However, if I insert the module without any parameters, it gets inserted
> just fine.
>
> # insmod parameter.ko
>
> I am attaching the source code for reference. Kindly let me know what
> could be done.
>
> Thanks,
> Binoy
>
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> Regards,
> Binoy Jayan
> WIPRO TECHNOLOGIES
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