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On Wednesday, 14 May 2025 at 22:40, Marco Gaiarin <[email protected]>
wrote:
> But is really strange... most of our T140 (ALL boot in BIOS mode) work
> without 'intel_iommu=off', but three server need it to boot. All get upgaded
> to the latest BIOS revision.
Maybe those three have VT-d (or IOMMU) enabled in the motherboard BIOS?
intel_iommu=on became the default in kernel version 6.8.
Unless VT-d is enabled in the motherboard BIOS settings, intel_iommu=off does
nothing (as it is disabled in the motherboard BIOS).
kind regards
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