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fix a380 ???
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This commit is contained in:
Simon Gardling
2026-04-07 17:40:18 -04:00
parent 965a7cf662
commit b4f62523d9
1 changed files with 8 additions and 0 deletions
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8
configuration.nix
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@@ -120,7 +120,15 @@
}; };
}; };
# Arc A380 (56a5) is not in xe's default probe list on kernel 6.12.
# Without force_probe, xe refuses to bind and i915 claims the device
# instead -- producing broken MMIO (forcewake 0xFFFFFFFF) and crashing
# every VAAPI transcode.
hardware.intelgpu.driver = "xe"; hardware.intelgpu.driver = "xe";
boot.kernelParams = [
"xe.force_probe=56a5"
"i915.force_probe=!56a5"
];
# Per-service 2MB hugepage budget calculated in service-configs.nix. # Per-service 2MB hugepage budget calculated in service-configs.nix.
boot.kernel.sysctl."vm.nr_hugepages" = service_configs.hugepages_2m.total_pages; boot.kernel.sysctl."vm.nr_hugepages" = service_configs.hugepages_2m.total_pages;