Andrii,

2019年1月16日(水) 16:40、Andrii Anisov さん(andrii.ani...@gmail.com)のメッセージ:

> Hello Jairo,
>
> On 08.01.19 19:04, LOPEZ, FUENTES NACARINO Jairo Eduardo wrote:
>
> > I have noticed that the uboot date has not changed from 2015.04
> It is not a u-boot date, but upstream version. Renesas derived u-boot from
> mainline version 2015.04 and put their patches on top of it.
>
> > although the build date is from the last time I ran a bitbake command.
> So it should be ok.
>
> > Are there any other modifications that I can attempt?
> I'm pretty sure you faced the issue, which is discussed here [1].
> You should merge memory nodes in your device tree, as it is done here [2].
>
> Actually the proper way to sort out the root cause is to build XEN with
> debug and earlyprintk enabled. But it is quite tricky while building XEN
> using Yocto.
> You should pass build command line options for debug build and
> earlyprintk, but in Yocto command lines are buried in recipes.
>
> BTW, I've got an idea that it would be good to make debug build option as
> well as earlyprintk configurable through .config only.
>
> [1]
> https://lists.xenproject.org/archives/html/xen-devel/2017-07/msg02479.html
> [2]
> https://github.com/xen-troops/meta-demo/blob/master/meta-rcar-gen3-xen/recipes-kernel/linux/linux-renesas/r8a7795-salvator-x-xen.dts#L61
>
> --
> Sincerely,
> Andrii Anisov.
>

When I sent that mail I was using the Yocto 2.23 instructions.

Since I didn't get any new information and since I had apparently been able
to safely upgrade the firmware, I attempted to up the version of everything.

I understand that the current yocto environment might be unfriendly to
enable debugging information but I am willing to help in implementing it if
you have an idea. There is nothing more frustrating than being met with a
completely blank output.

When using the Yocto 2.23 instructions I did not come across the issues you
pointed out, so I will take those into consideration should I need to
downgrade the versions again.

Thanks for all the help.

Best regards,

Jairo

>
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