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How to set intel_iommu=on on a C5 instance

0

Hi I am looking to setup my second interface to use DPDK's VFIO-PCI driver and I ideally want IOMMU on but when I set the GRUB_CMDLINE_LINUX to include intel_iommu=on, but nothing from

dmesg | grep -e DMAR -e IOMMU
Topics
Compute
Tags
Amazon EC2LinuxCompute
Language
English
asked 2 years ago664 views
1 Answer
1

Hi,

You are supposed to be able to enable IOMMU on i3 or c5 metal instances by adding "iommu=1 intel_iommu=on" to /etc/default/grub followed by update-grub, reboot.

So, did you add the first part?

Best,

Didier

EXPERT
answered 2 years ago
EXPERT
reviewed 2 years ago
EXPERT
reviewed 2 years ago

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