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nixos: add Memtest86+ GRUB boot entry

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Enable boot.loader.grub.memtest86 so a Memtest86+ entry appears in the
GRUB menu, for diagnosing suspected DRAM bit-flips on this non-ECC box
(recurring RTS heap-corruption SIGSEGVs whose fault pattern looks like a
single-bit flip in an otherwise-valid pointer).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Ivan Malison
2026-07-06 18:28:26 -07:00
parent 1c40d35fa6
commit bf0d71d7e5
1 changed files with 1 additions and 0 deletions
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nixos/bootloaders/grub.nix
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@@ -62,6 +62,7 @@ in {
grub = { grub = {
enable = true; enable = true;
memtest86.enable = true;
efiSupport = true; efiSupport = true;
device = "nodev"; device = "nodev";
useOSProber = cfg.windowsEfiUuid == null; useOSProber = cfg.windowsEfiUuid == null;