On Wed, Sep 13, 2023 at 11:28 PM Keith Hui <buu...@gmail.com> 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 -- coreboot@coreboot.org > To unsubscribe send an email to coreboot-le...@coreboot.org >
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