[vfio-users] UEFI-Mode VM – R9 390 stopped working with Code 43 after MSI Afterburner "use"

[Felix Mayr]

Many thanks for your help, turned out it was myself being stupid. 
Apparently (didn't update anything on the host) the radeon driver messed 
with the card although it was correctly bound to vfio-pci – blacklisted 
the radeon module, driver install worked fine :/. Now everything works 
well again, the tutorial by Alex Williamson worked fantastic btw. 
(which, with the use of OVMF convinced me to finally try it out, after I 
watched the developments for some years (although in the days of xen 
much more patching was required than now is necessary even for BIOS-mode 
VMs)