Hello coreboot developers,
Here a coreboot user who wishes to boot from an USB-memory-stick.
That is in addition to regular boot from internal storage device.
The computer I'm talking about is a Lenovo Thinkpad X230 which does
have coreboot installed, it is what I have bought. Payload is grub.
An .iso is fetched from Internet and `dd` to USB-memory-stick.
The USB-thumbdrive is then inserted in the X230, on the left side,
in the USB-slot closest to user[1].
Upon power-on is a grub menu shown[2]. Default menu entry
has description "Load operating system", beneat is `search_grub ahci`
and does indeed load and start Linux. (in ohter words: payload came
alive)
However the other boot menu entries[3] don't work.
It is the reason why I'm seeking your advice.
When I active menu entry 'Search ISOLINUX menu (USB)', which has grub
command 'search_isolinux usb', screen goes shortly black and then
the main grub menu re-appears. As if the coreboot payload grub wants to
tell "nothing found".
For the other boot menu entries I also get "nothing found".
What to do to make coreboot grub accepting USB image?
Groeten
Geert Stappers
[1] Other USB-slots have also been tried. Only with the
"front-left-USB-slot" do I see a blinking activity LED
of the USB-memory-stick.
[2] Other power-up-messages might have been printed,
but the quick appearance of the grub menu overwrites then.
[3] "Poweroff" and "Reboot" are not **boot** menu entries.
--
Silence is hard to parse
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