Re: First time using coreboot+edk2, I didn't get to see the beginning.

On Wed, Sep 13, 2023 at 11:28 PM Keith Hui <[email protected]> wrote:

> tldr: After my latest reflash of coreboot with edk2 payload, serial
> log didn't start flowing right away and no on screen activity until OS
> on drive has begun booting. What gives?
>
> After hacking on coreboot with SeaBIOS for so long, I finally tried
> edk2. It wasn't the smoothest transition.
>
> My testing hard drive has a bit of special hackery done[1] in hope it
> will boot under both legacy and UEFI schemes. I did add SeaBIOS as
> secondary payload, and it couldn't boot. Then I pulled out the main
> drive out of my laptop which is all UEFI, and it booted fine after
> probably 30 seconds of nothing - the first thing I saw on screen is
> the Fedora spinner. Nothing from edk2 or grub on the drive.
>

edk2 doesn't support secondary payloads


>
> There also was a bit of delay on my connected serial console, then
> when info finally started flowing, it's already well into ramstage.
> And when I checked cbmem, it unfortunately overflowed so I lost logs
> of raminit, which would be most important given my patch train now
> under review. It would take a warm reboot before I start getting the
> head of the boot logs.
>
> I didn't set a boot logo.
>
> What more set up I have to do to get my edk2 and grub boot menu back?
>
> I've attached logs from minicom, cbmem, and my Kconfig, if it helps.
>

as Nico said, you need to use a linear framebuffer, not vga text. The
display resolution should be native.

also, edk2 cbmem logging may or may not work, and may or may not slow down
boot time.


>
> Thanks for any insights.
> Keith
>
> [1] If I remember correctly, it is GPT partitioned with ESP plus a
> BIOS boot partition where grub can hide itself.
> _______________________________________________
> coreboot mailing list -- [email protected]
> To unsubscribe send an email to [email protected]
>

_______________________________________________
coreboot mailing list -- [email protected]
To unsubscribe send an email to [email protected]