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.
W dniu 08.11.2019 o 13:30, Patrick O'Callaghan pisze: > I'm getting the above error after a fresh install of Fedora 31 on the > same hardware Fedora 30 previously worked on. I've restored my libvirt > and qemu installations from backups, and everything works except for > VFIO passthrough. The only difference is that now I'm booting the host > via EFI instead of BIOS (the Windows guest has always been UEFI) but I > don't see why that should matter. > > These are the relevant templates: > > $ cat vfio-grub > GRUB_TIMEOUT=5 > GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)" > GRUB_DEFAULT=saved > GRUB_DISABLE_SUBMENU=true > GRUB_TERMINAL_OUTPUT="console" > GRUB_CMDLINE_LINUX="modprobe.blacklist=nvidia modprobe.blacklist=nouveau > rd.blacklist=nvidia rd.blacklist=nouveau intel_iommu=on,igfx_off iommu=pt > rd.driver.pre=vfio-pci vconsole.font=latarcyrheb-sun16 $([ -x > /usr/sbin/rhcrashkernel-param ] && /usr/sbin/rhcrashkernel-param || :) rhgb > quiet resume=UUID=15d273c5-488c-48d6-a864-e11968ee970e audit=0 hugepages=4096" > GRUB_DISABLE_RECOVERY="true" > > $ cat vfio.conf > options vfio-pci ids=10de:1c81,10de:0fb9 > > $ cat local.conf > force_drivers+="vfio vfio_iommu_type1 vfio_pci vfio_virqfd" > > I've done the following (same as always): > > $ sudo cp vfio.conf /etc/modprobe.d/vfio.conf > $ sudo cp local.conf /etc/dracut.conf.d/local.conf > $ sudo cp vfio-grub /etc/sysconfig/grub > $ sudo grub2-mkconfig -o /etc/grub2.cfg > $ sudo dracut -f --kver `uname -r` > > The kernel vfio modules are loaded: > > $ lsmod|grep vfio > vfio_pci 61440 0 > irqbypass 16384 2 vfio_pci,kvm > vfio_virqfd 16384 1 vfio_pci > vfio_iommu_type1 32768 0 > vfio 36864 2 vfio_iommu_type1,vfio_pci > > For completeness, the kernel boot line reads: > > $ cat /proc/cmdline > BOOT_IMAGE=(hd1,gpt2)/vmlinuz-5.3.8-300.fc31.x86_64 > root=/dev/mapper/fedora_localhost--live-root ro > resume=/dev/mapper/fedora_localhost--live-swap > rd.lvm.lv=fedora_localhost-live/root rd.lvm.lv=fedora_localhost > -live/swap modprobe.blacklist=nvidia modprobe.blacklist=nouveau > rd.blacklist=nvidia rd.blacklist=nouveau rhgb quiet > > > I must be missing something but can't think what it is. Any ideas would > be welcome. > > poc > > _______________________________________________ > vfio-users mailing list > vfio-users@redhat.com > https://www.redhat.com/mailman/listinfo/vfio-users > _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users
