[CentOS] IOMMU and kernel

Fri Apr 3 16:44:14 UTC 2020
Simon Matter <simon.matter at invoca.ch>

> Hi.
> Im trying to set intel_iommu=on on kernel parameters at grub but for
> some reason it doesnt work.
> I edit /etc/default/grub file and i add the parameter.
> then i run grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg and then i
> reboot.

When you look at /boot/efi/EFI/centos/grub.cfg, do you see that the
parameter has been added?