I've just replaced an old Nvidia card with a newer AMD RX580 and am
attempting to reconfigure my Windows VM. However I don't see the new
card getting its own IOMMU group:
$ ls /sys/kernel/iommu_groups
$
I'm following some old notes about this from when I first set it up, so
perhaps things have changed. I'm using Fedora 36. The GPU info is:
$ inxi -GSaz
System:
Kernel: 6.0.5-200.fc36.x86_64 arch: x86_64 bits: 64 compiler: gcc
v: 2.37-36.fc36
parameters: BOOT_IMAGE=(hd2,gpt2)/vmlinuz-6.0.5-200.fc36.x86_64
root=UUID=8e1f7af4-c0bf-434e-b1c4-a9af2c810d56 ro rootflags=subvol=root
vconsole.font=latarcyrheb-sun16 rhgb quiet audit=0
Desktop: KDE Plasma v: 5.25.5 tk: Qt v: 5.15.6 wm: kwin_x11 vt: 2
dm: SDDM Distro: Fedora release 36 (Thirty Six)
Graphics:
Device-1: Intel IvyBridge GT2 [HD Graphics 4000] vendor: Micro-Star MSI
driver: i915 v: kernel arch: Gen-7 process: Intel 22nm built: 2012-13
ports: active: HDMI-A-1 empty: DP-1,VGA-1 bus-ID: 00:02.0
chip-ID: 8086:0162 class-ID: 0300
Device-2: AMD Ellesmere [Radeon RX 470/480/570/570X/580/580X/590]
vendor: Tul / PowerColor driver: amdgpu v: kernel arch: GCN-4
code: Arctic Islands process: GF 14nm built: 2016-20 pcie: gen: 1
speed: 2.5 GT/s lanes: 16 link-max: gen: 3 speed: 8 GT/s ports:
active: none empty: DP-2, DP-3, DP-4, DVI-D-1, HDMI-A-2 bus-ID: 01:00.0
chip-ID: 1002:67df class-ID: 0300 temp: 33.0 C
Display: x11 server: X.Org v: 1.20.14 with: Xwayland v: 22.1.5
compositor: kwin_x11 driver: X: loaded: amdgpu,modesetting
unloaded: fbdev,vesa dri: crocus gpu: i915 display-ID: :0 screens: 1
Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22")
s-diag: 582mm (22.93")
Monitor-1: HDMI-A-1 mapped: HDMI-1 model: HP 24f serial: <filter>
built: 2020 res: 1920x1080 hz: 60 dpi: 93 gamma: 1.2
size: 527x296mm (20.75x11.65") diag: 604mm (23.8") ratio: 16:9 modes:
max: 1920x1080 min: 720x400
OpenGL: renderer: Mesa Intel HD Graphics 4000 (IVB GT2) v: 4.2 Mesa
22.1.7 direct render: Yes
Any insight would be appreciated.
poc
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