Conquering gfx_passthru Invalid Option Errors Vanquished

After a fresh install of the guest os and only the nvidia driver package 528.49 for win server 2022/2019 64bit version i get the gpu installed but it is ... Windows 11 guest is unable to use NVIDIA GPU passthrough. Error in Device Manager is the classic, "Code 43." Reading the gfx_passthru stuff in xl.cfg.5, I understand when a GPU can be passed through without it, it will be secondary in the VM - I'd thing ... The bash command set doesn't support the g option. Also this command is not used for setting environment variables all together - your ... fprintf(stderr, "xl: Invalid argument parsing ioport: %s\n",. buf) ... libxl_defbool_set(&b_info->u.hvm.gfx_passthru, l);. } else if ... (Error about invalid argument) Wont go through every step I took, but I tried radeon.blacklist=1 in different parts of the line, xen-pciback. ... options vfio-pci ids=10de:15f8. Re-generate initramfs image dracut -f. Reboot and verify that vfio-pci has loaded properly and that it is now ... ... gfx_passthru=1 to the configuration file, it always fails at boot. The first error message that appears when I add gfx_passthru=1 is: libxl: ... ... ERROR: invalid cluster offset=0x2af0000 [...] ERROR: invalid cluster offset ... -spice option[,option[,...]] Enables the spice remote desktop protocol ... When we're working to support IGD GFX passthrough with qemu upstream, instead of "-gfx_passthru" we'd like to make that a machine option ...