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Use GRUB2 legacy loader only on some Intel Atom boards specifically #3498

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merged 2 commits into from
Jul 31, 2024

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@sairon sairon commented Jul 30, 2024

Previous revert of GRUB2 change that introduced usage of the generic EFI loader for all x86 boards in #3324 caused regressions, the one confirmed is #3348. This commit adds a specific patch that identifies the broken platforms based on SMBIOS data gathered in #3305 and falls back to the legacy loader there.

Tested on Intel D525MW (falls back) and QEMU (no fallback).

Also enable the smbios module for future debugging purposes.

Previous revert of GRUB2 change that introduced usage of the generic EFI loader
for all x86 boards in #3324 caused regressions, the one confirmed is #3348.
This commit adds a specific patch that identifies the broken platforms based
on SMBIOS data gathered in #3305 and falls back to the legacy loader there.

Tested on Intel D525MW (falls back) and QEMU (no fallback).
Having smbios command in GRUB can help in future debugging, e.g. to add more
CPUs that should use the linux loader fallback.
@sairon sairon added board/generic-x86-64 Generic x86-64 Boards (like Intel NUC) grub2 labels Jul 30, 2024
@sairon sairon requested a review from agners July 30, 2024 16:47
@sairon sairon merged commit a32974e into dev Jul 31, 2024
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@sairon sairon deleted the grub-nm10-use-legacy-loader branch July 31, 2024 07:22
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