[vfio-users] libvirt.libvirtError: unsupported configuration: host doesn't support passthrough of host PCI devices

Patrick O'Callaghan poc at usb.ve
Fri Nov 8 17:11:17 UTC 2019


On Fri, 2019-11-08 at 17:23 +0100, Konrad Wojtoń wrote:
> Did you update your grub.cfg atfer modyfing GRUB_CMDLINE_LINUX to have
> intel_iommu=on and such? It is not present in your dump of /proc/cmdline
> so it looks like it is not passed to kernel at boot time.

Good catch. Closer inspection shows that (for Fedora UEFI hosts at
least) dracut looks in /etc/grub2-efi.cfg, not /etc/grub2.cfg.

That fixed it, thanks.

poc




More information about the vfio-users mailing list