Problem in First-Patch-Tutorial

[mhornung.linux at gmail.com]

Hi,
On Sun, 12. Mar 17:58, SIMRAN SINGHAL wrote:
> On Sun, Mar 12, 2017 at 5:57 PM, SIMRAN SINGHAL
> <singhalsimran0 at gmail.com> wrote:
> > On Sun, Mar 12, 2017 at 5:55 PM, Lino Sanfilippo <LinoSanfilippo at gmx.de> wrote:
> >> Hi,
> >>
> >> On 12.03.2017 13:15, SIMRAN SINGHAL wrote:
> >>> On Sun, Mar 12, 2017 at 4:04 PM, Varsha Rao <rvarsha016 at gmail.com> wrote:
> >>>> Hello Simran,
> >>>>
> >>>>> In Reloading Modules I tried the first command it works fine for me.
> >>>>>
> >>>>> git/kernels/staging$ ls drivers/iio/dummy/*.ko
> >>>>> drivers/iio/dummy/iio_dummy_evgen.ko  drivers/iio/dummy/iio_dummy.ko
> >>>>>
> >>>>> Then I tried to run second-command
> >>>>>
> >>>>> git/kernels/staging$ sudo modprobe -r iio_dummy_evgen
> >>>>>
> >>>>> I got the following error:-
> >>>>> modprobe: FATAL: Module iio_dummy_evgen not found.
> >>>>
> >>>>   Maybe as iio_dummy_evgen is not loaded it causes this error.
> >>>>
> >>>>> I am not getting what is wrong with this.
> >>>>
> >>>> You need to execute commands in following order
> >>>>
> >>>> make drivers/iio/dummy/iio_dummy_evgen.ko
> >>>> make drivers/iio/dummy/iio_dummy.ko
> >>>>
> >>>> sudo modprobe iio_dummy_evgen
> >>>> sudo modprobe iio_dummy
> >>>>
> >>>> Check if they are loaded successfully with lsmod | grep "iio".
> >>>>
> >>>> Thanks,
> >>>> Varsha
> >>>
> >>> This is also not working. I am getting this error now:
> >>> modprobe: FATAL: Module iio_dummy_evgen not found in directory
> >>> /lib/modules/4.10.0-rc3+
> >>>
> >>> I am basically trying to do the Task1 of IIO. Here is the link:-
> >>> https://kernelnewbies.org/IIO_tasks
> >>>
> >>> In this task they have asked to use this:
> >>> $ insmod iio_dummy_evgen.ko
> >>>
> >>> As this was not working, so I tried modprobe.
> >>>
> >>
> >>
> >> modprobe is just a wrapper around insmod. So if insmod does not work, modprobe wont either.
> >> Could it be that the kernel you build the module for is not the kernel that you are currently
> >> running?
> >>
> >> Regards,
> >> Lino
> >>
> > Thanks Lino,
> > My kernel is up-to-date.
> >
> 
> But its still not working.

Please try the following (as root):

# insmod ./iio_dummy_evgen.ko

The "./" does the trick. Please make sure to be inside the same directory as the module when you enter the command.

With best regards

Michael
> 
> >>
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