Issue Tracker

10/15/2026

MD 08:28 PM coreboot Bug #666: EDK2: MrChromebox uefipayload_2608 broken: uefipayload_2511 works on Lenovo X220

Patrick Rudolph wrote in #note-10:
> Updated GRUB to grub2-common-2.12-32.fc42.noarch, the issue still persists.
I pulled the PR into uefipayload_2608 branch, give that a try. It fixed an issue with Batocera that some others had repo... Matt DeVillier

MD 02:59 AM coreboot Bug #666: EDK2: MrChromebox uefipayload_2608 broken: uefipayload_2511 works on Lenovo X220

Sebastian Müller wrote in #note-7:
> I think 2608 is missing the workaround that prevents CpuDxe from publishing
> ...
no, the Memory Attribute Protocol workaround was intentionally dropped in uefipayload_2608. It was only needed for old... Matt DeVillier

MD 06:16 PM coreboot Bug #665: Does EDK2 MrChromeBox support integrated dGPU uga/gop VBIOS file from CBFS?

Walter Sonius wrote in #note-7:
> Earlier test of this were done on the MacbookPro which probably missed the NVIDIA efi GOP part from that extracted ROM, so letting coreboot insert a legacy VBIOS into CBFS and hoping EDK2 will load it d... Matt DeVillier

MD 05:13 PM coreboot Bug #665: Does EDK2 MrChromeBox support integrated dGPU uga/gop VBIOS file from CBFS?

edk2 has the option to execute on-device option ROMs - does that not work for this case? Matt DeVillier

10/14/2026

MD 02:25 PM coreboot Bug #666: EDK2: MrChromebox uefipayload_2608 broken: uefipayload_2511 works on Lenovo X220

Patrick Rudolph wrote in #note-4:
> Attached a log.
> ...
this appears to be a bug with older grub versions, jumping to memory that the payload was not able to allocate instead of requesting a new range. Older edk2 branches papered ove... Matt DeVillier

10/10/2026

MD 02:08 PM coreboot Bug #666: EDK2: MrChromebox uefipayload_2608 broken: uefipayload_2511 works on Lenovo X220

Patrick Rudolph wrote:
> tested with coreboot 717c0505b1063da72db9aba2f1f0e1ef6dee60da
> ...
HEAD of current edk2 branch (1f9ab463057c53883245d0ce5dfe07201efb1efe) or latest tag (26.09.2, afe0e87d25d5ac57191aa7c5211c83d1c13d198f)?
L... Matt DeVillier

10/08/2026

MD 09:14 PM coreboot Bug #576: GPIO locking is broken on Kaby Lake and possibly other platforms

Dan Ran wrote in #note-10:
> If you walk me through the steps I can test on my T480. Just tell me what I need to do.
those patches are now merged, only https://review.coreboot.org/c/coreboot/+/93324 remains.
You can build core... Matt DeVillier

10/05/2026

MD 07:24 PM coreboot Bug #665: Does EDK2 MrChromeBox support integrated dGPU uga/gop VBIOS file from CBFS?

Walter Sonius wrote in #note-3:
> So in the past for intel iGPU the VBIOS CBFS file was copied during build time as a copy to EDK2 so it could use it but now EDK2 got improved and it can actually read VBIOS CBFS file directly from CBFS ... Matt DeVillier

10/04/2026

MD 02:41 PM coreboot Bug #665: Does EDK2 MrChromeBox support integrated dGPU uga/gop VBIOS file from CBFS?

Walter Sonius wrote in #note-1:
> Recently saw this edk2 MrChromebox change [`UefiPayloadPkg/PlatformGopPolicy: Load GOP driver and VBT from CBFS`](https://github.com/MrChromebox/edk2/commit/1f9ab463057c53883245d0ce5dfe07201efb1efe) sti... Matt DeVillier

08/20/2026

MD 05:22 PM coreboot Bug #664 (Resolved): src/lib/Makefile.mk "build/spd" folder hardcoded fails on VARIANT_DIR own spd folder?

Matt DeVillier