Issue Tracker

10/16/2025

05:38 PM coreboot Bug #611 (In Progress): I2C Controllers fail to initialize under Win11 with top-down allocation on pre-FSP 2.0 platforms

issue was coreboot's missing ACPI MMIO windows for a few platforms. patches pushed to resolve the issue:
https://r... Matt DeVillier

10/13/2025

10:16 PM coreboot Bug #611: I2C Controllers fail to initialize under Win11 with top-down allocation on pre-FSP 2.0 platforms

I think I've found the issue actually: pre-Skylake Intel platforms all define their MMIO ranges statically in ASL, an... Matt DeVillier

05:17 PM coreboot Bug #611: I2C Controllers fail to initialize under Win11 with top-down allocation on pre-FSP 2.0 platforms

Walter Sonius wrote in #note-3:
> Related patch: [CB:89464](https://review.coreboot.org/c/coreboot/+/89464) device/K... Matt DeVillier

04:59 PM coreboot Bug #611: I2C Controllers fail to initialize under Win11 with top-down allocation on pre-FSP 2.0 platforms

> Maybe you hit a similar issue, but its more obfuscated in your case? In any case we should update the UEFIPayloadPk... Matt DeVillier

10/12/2025

08:33 PM coreboot Bug #611 (In Progress): I2C Controllers fail to initialize under Win11 with top-down allocation on pre-FSP 2.0 platforms

When booting Win11 using edk2 payload and top-down resource allocation (which is now the default), pre-FSP 2.0 platfo... Matt DeVillier

05/17/2025

09:24 PM coreboot Support #594: "[EMERG] FspMemoryInit error, status=0x80000007" on Dell Optiplex 5040 SFF (0T7D40) using optiplex_3050 port code

Walter Sonius wrote in #note-10:
> All 4 DIMM slots including the two middle ones do seem to function now after swap... Matt DeVillier

05/02/2025

07:08 PM coreboot Bug #592: Lenovo M920q can't use DIMM2 RAM slot

Tom Hiller wrote in #note-1:
> In case it is missed in the linked github issue, the cause seems to related to this c... Matt DeVillier

06:04 PM coreboot Bug #415 (Resolved): RESOURCE_ALLOCATION_TOP_DOWN breaks booting

edk2 issue has been mitigated in the default branch used by coreboot, and a patch submitted to re-enable top-down all... Matt DeVillier

06:02 PM coreboot Bug #499 (Closed): coreboot will not boot edk2 on Lenovo T440p with CONFIG_RESOURCE_ALLOCATION_TOP_DOWN enabled, cannot disable this setting during build

Matt DeVillier

06:02 PM coreboot Bug #499: coreboot will not boot edk2 on Lenovo T440p with CONFIG_RESOURCE_ALLOCATION_TOP_DOWN enabled, cannot disable this setting during build

bug has been mitigated in the default edk2 branch used by coreboot, so marking fixed Matt DeVillier