[yocto] working my way through the kernel hands-on labs finally

Robert P. J. Day rpjday at crashcourse.ca
Mon Apr 8 09:02:37 PDT 2013


On Mon, 8 Apr 2013, Bruce Ashfield wrote:

> On 13-04-08 11:41 AM, Robert P. J. Day wrote:
> >
> >    finally have the time to work my way through the ELC 2013 hands on
> > kernel labs described here:
> >
> > https://www.yoctoproject.org/tools-resources/presentations/working-kernel
> >
> > since i'll almost certainly use some of them in my next yocto course,
> > so the occasional question for anyone who's already been down this
> > road.  start with lab 1.
> >
> >    the doc mentions including the meta-yocto and meta-yocto-bsp layers
> > -- are those strictly necessary? the layer.conf definition file for
> > the lab1 layer doesn't list those layers as dependencies. what will
> > happen if i leave them out? what's the policy on explicitly listing
> > dependencies on those two layers in a new layer?
> >
> >    also, just doing a basic fetch for lab1 produces:
> >
> > ERROR: QA Issue:
> > /home/rpjday/yocto/k_lab/layers/meta-lab1-qemux86/recipes-kernel/linux/linux_3.0.18.bb:
> > Variable FILES is set as not being package specific, please fix this.
> >
> >    is that deliberate? something that will be resolved later in the
> > lab as part of an exercise? just curious.
>
> Probably not deliberate, the kernel labs aren't about packaging.
> Which branch are you using for your tests ? Even if it's an old
> release branch, there may have been some QA backports between the
> time the lab was done, and the time you are running it.

  i'm using HEAD for everything, even though the labs dictate
poky-danny-8.0.1; if anything breaks because of that, i'll make a note
of it.

rday

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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