[coreboot] (depthcharge, vboot) Difficulties booting on Chromebook

[Linus Heckemann]

Hi Paul, thanks for your reply.

On 18/07/17 08:28, Paul Kocialkowski wrote:
> Hi,
> 
> On Tue, 2017-07-18 at 07:24 +0100, Linus Heckemann wrote:
>> I've been following the instructions for getting Debian running on an
>> Asus C201 Chromebook[1]. This has been going well, mostly, except that
>> when I try to actually boot it (power on and press Ctrl-U) I am
>> greeted
>> by a loud and low-pitched beep and not much else. Any ideas as to what
>> I
>> may be missing?
> 
> That probably means that your boot medium was not setup correctly.
> Perhaps the Debian instructions are either incorrect or incomplete.

Do you know of any "known-to-work" instructions for setting up a
non-chrome OS boot medium that I could compare my setup to or try using
instead? Or a way to get more helpful information than a beep from
depthcharge?

>> Relevant stuff:
>>
>> # crossystem | grep dev_boot
>> dev_boot_usb           = 1   # Enable developer mode boot from USB/SD
>> (writable)
>> dev_boot_legacy        = 0   # Enable developer mode boot Legacy OSes
>> (writable)
>> dev_boot_signed_only   = 0   # Enable developer mode boot only from
>> official kernels (writable)
>>
>> I've uploaded an image of the SD card resulting from the instructions
>> (208M, 2G uncompressed) at [2].
>>
>> Best regards
>> Linus
>>
>>
>> [1]: https://wiki.debian.org/InstallingDebianOn/Asus/C201
>> [2]: https://sphalerite.org/chromebook-debian-boot-sd.img.gz
>