Hi Parmenides, On Fri, Sep 2, 2011 at 8:12 AM, Parmenides <mobile.parmenides@gmail.com> 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