Re: How make modprobe find my kernel module?

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Hi Parmenides,

On Fri, Sep 2, 2011 at 8:12 AM, Parmenides <mobile.parmenides@xxxxxxxxx> wrote:
> Hi,
>
>    I have write a 'hello, world!' module which is in a directory
> rather than the kernel source tree. I compiled it by:
>
>                       make -C /usr/src/linux SUBDIRS=$PWD modules
>
> and installed it by:
>
>                       make -C /usr/src/linux SUBDIRS=$PWD modules_install
>
> I find it was installed at /lib/modules/2.6.34/extra. Then, I invoked
>
>                        modprobe hello.ko
>
> to load this module, but get a message:
>
>                        FATAL: Module hello.ko not found.
>
> It seems that my module is not in the modprobe's search path. Is that
> true? If so, how can I configure its search path?

modprobe uses modules.dep to translate module names into module
locations. You can either manually add an entry into that file - found
in /lib/modules/$(uname -r)

or you can rerun depmod on your device (if its available).

Alternatively, you can insmod your module bu providing a fully
qualified path to the .ko file. insmod doesn't do any dependancy
checking, so it just fails if you need symbols from some other module
which isn't loaded.

-- 
Dave Hylands
Shuswap, BC, Canada
http://www.davehylands.com

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