From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Kost <alezost@gmail.com>
Subject: Re: modprobe on guix
Date: Wed, 25 Mar 2015 21:22:38 +0300
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In-Reply-To: <87lhilp73u.fsf@netris.org> (Mark H. Weaver's message of "Wed, 25
	Mar 2015 08:57:41 -0400")
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To: Mark H Weaver <mhw@netris.org>
Cc: guix-devel@gnu.org

Mark H Weaver (2015-03-25 15:57 +0300) wrote:

> =E7=99=BD=E3=81=84=E7=86=8A=EF=BC=A0=E7=9B=B8=E6=92=B2=E9=81=93 <guix-dev=
el_gnu.org@sumou.com> writes:
>> How do I load a kernel module in Guix?
>
> It should just work, assuming that LINUX_MODULE_DIRECTORY is set to
> /run/booted-system/kernel/lib/modules and that you are using 'modprobe'
> from Guix.  We set LINUX_MODULE_DIRECTORY in /etc/profile on GuixSD.
>
>> I can insmod the concrete .ko file from the /gnu/store/... kernel
>> directory, however this is impractical for scripts etc, since the
>> directory will change with system reconfigure.
>
> For insmod, use /run/booted-system/kernel/lib/modules.
>
>> However 'sudo modprobe ...' doesn't load the kernel module...
>
> It works for me.  Can you try the following command:
>
>   sudo bash -c "echo $LINUX_MODULE_DIRECTORY"
>
> and verify that it prints "/run/booted-system/kernel/lib/modules"?

I'm on GuixSD (and LINUX_MODULE_DIRECTORY is set properly) but:

  $ sudo modprobe ...

doesn't load a module for me, however when I try it under root:

  # modprobe ...

it works.  No idea why that happens.

--=20
Alex