[coreboot] Native ram init panics linux kernel on samsung lumpy with CELERON 867 cpu.

[Kyösti Mälkki]

On Mon, Jan 16, 2017 at 12:04 PM, Persmule <persmule at gmail.com> wrote:

> Hi all,
>
> Recently I bought a second hand samsung lumpy
> (https://www.chromium.org/chromium-os/developer-information-for-chrome-os-
> devices/samsung-sandy-bridge)
> with CELERON 867 cpu, and tried to build a coreboot image with seabios
> in order to use this chromebook as an ordinary PC laptop running GNU/Linux.
>
> It seems that native ram init works on lumpies with core i5 cpu, but on
> mine, coreboot built with native ram init can run payloads with no
> problem, but linux kernel will panic with outputs showed on the attached
> photo (related to processors' synchronization?). Now I have to use Intel
> FSP to perform ram init, on which linux
> kernel (and GNU/Linux) works fine.
>
>
Just to clarify, the raminit blob for samsung/lumpy is not technically
Intel FSP, but different (MRC) blob created at Google.


> Config files for FSP and native ram init are also attached.
>
>
Please send output of cbmem -c and inteltool -a once system has booted with
raminit blob.


> Best regards.
>
> Persmule
>
>
> --
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>
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