<vcpu placement="static" current="1">8</vcpu>
yes forgot to change it after the 6th reconfiguration 
yes booting with ovmf.4M and Q35 in vm
Edit: Oh, and i’m not sure if AMD really requires hiding HV from OS. Don’t have AMD in my rig atm to check this.
ya i tried about every thing you can find on similar issues
so if the card doesnt reset, i propably have to test the kernel hack for AMDs reset bug
the card seemed to get bound:
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.8.0-29-generic root=UUID=c29f54b3-6fb1-474b-a1f9-c9adf6667d62 ro quiet intel_iommu=on kvm.ignore_msrs=1 vfio-pci.ids=1002:73bf,1002:ab28,1002:73a6,1002:73a6
[ 0.066906] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.8.0-29-generic root=UUID=c29f54b3-6fb1-474b-a1f9-c9adf6667d62 ro quiet intel_iommu=on kvm.ignore_msrs=1 vfio-pci.ids=1002:73bf,1002:ab28,1002:73a6,1002:73a6
[ 0.564011] VFIO - User Level meta-driver version: 0.3
[ 0.564099] vfio-pci 0000:05:00.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=none
[ 0.584021] vfio_pci: add [1002:73bf[ffffffff:ffffffff]] class 0x000000/00000000
[ 0.603988] vfio_pci: add [1002:ab28[ffffffff:ffffffff]] class 0x000000/00000000
[ 0.624028] vfio_pci: add [1002:73a6[ffffffff:ffffffff]] class 0x000000/00000000
[ 0.624054] vfio_pci: add [1002:73a6[ffffffff:ffffffff]] class 0x000000/00000000
[ 61.790989] vfio-pci 0000:05:00.0: enabling device (0100 -> 0103)
[ 61.791368] vfio-pci 0000:05:00.0: vfio_ecap_init: hiding ecap [email protected]
[ 61.791374] vfio-pci 0000:05:00.0: vfio_ecap_init: hiding ecap [email protected]
[ 61.791378] vfio-pci 0000:05:00.0: vfio_ecap_init: hiding ecap [email protected]
[ 61.791380] vfio-pci 0000:05:00.0: vfio_ecap_init: hiding ecap [email protected]