Working AMD drivers for GPU passthrough (newer than 20.4.2)

[D1Ck3n]

Hey Guys,

since i replaced my motherboard my guest OS did not run any amd drivers even the older one. i posted more information here. i’m super frustrated that my gpu passthrough is not working anymore

my system:
OS: Manjaro Linux x86_64
Host: MS-7C02 1.0
Kernel: 5.9.11-3-MANJARO
Uptime: 26 mins
Packages: 2085 (pacman), 3 (snap)
Shell: bash 5.0.18
Resolution: 1920x1080, 1920x1080, 1920x1080
DE: Cinnamon
WM: Mutter (Muffin)
WM Theme: Mint-Y-Dark-Teal (Mint-Y-Dark)
Theme: Mint-Y-Dark-Teal [GTK2/3]
Icons: Papirus-Dark-Maia [GTK2/3]
Terminal: tilix
CPU: AMD Ryzen 5 2600X (12) @ 3.957GHz
GPU: AMD ATI Radeon RX 5600 OEM/5600 XT / 5700/5700 XT
GPU: NVIDIA GeForce RTX 2080 Rev. A
Memory: 4493MiB / 32036MiB

AMD Polaris, Vega & Navi Reset Project - vendor-reset

strange, after i have to replace my motherboard (old one MSI B450 Tomahawk, new one MSI B450 Tomahawk MAX ) i cant get any output from my guest GPU anymore it shows always error code 43 and the amd driver software show me a message that the AMD Driver is not installed or does not work properly. [image] this is my dmesg output: [ 1874.346696] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346703] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346708] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346715] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346720] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346727] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346732] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346739] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346744] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346751] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346756] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346763] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346768] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346775] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346785] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346792] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 64bit pref] [ 1874.346799] vfio-pci 0000:28:00.0: BAR 0: can't reserve [mem 0xd0000000-0xdfffffff 6…