[poky] Unable to get kernel modules

[Darren Hart]

On Mon, 2011-04-18 at 08:02 +0100, Richard Purdie wrote:
> On Mon, 2011-04-18 at 11:50 +0530, Akshat Saha wrote:
> > Hi,
> > 
> > 
> > I am building my image with : bitbake poky-image-minimal-live
> > But after booting/installing this image, lsmod, does not show any
> > modules loaded into the kernel. Also, the
> > folder /lib/modules/2.6.34.7-wr-standard in the rfs does not contains
> > the following files/folders:
> >       * modules.builtin  
> >       * modules.order
> >       * kernel
> > Though they are present in
> > the tmp/sysroots/core2-poky-linux/lib/modules/2.6.34.7-wr-standard.
> > 
> > 
> > Also, while building, modules-2.6.34.7-wr-standard-r12-atom-pc.tgz is
> > formed in tmp/deploy/images, which consists of the above mentioned
> > files/folders, but does not seem to be integrated into the image.
> > 
> > 
> > Can anyone please suggest/guide me how to integrate loadable modules
> > into the image. 
> 
> By default the minimal image doesn't include all the kernel modules. You
> can add them to the minimal image by adding "kernel-modules" to
> IMAGE_INSTALL in meta/recipes-core/images/poky-image-minimal.bb

You can also add them individually if you don't need them all. Every
module is built as a separate package to make this easy. If you have a
machine for which certain modules are required for normal functionality,
you can add them to:

MACHINE_ESSENTIAL_EXTRA_RDEPENDS

in your machine config.

> 
> Cheers,
> 
> Richard
> 
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-- 
Darren Hart
Yocto Linux Kernel