The host is unraid
Graphics card is MSI 1660S
I passed the graphics card to DVA3221 in unraid,
The graphics card can be loaded, but the DVA3221 prompts that the hardware cannot be found.
root@DVA3221:~# lspci -nn
00:00.0 Class [0600]: Device [8086:29c0]
00:01.0 Class [0604]: Device [1b36:000c]
00:02.0 Class [0604]: Device [1b36:000c]
00:02.1 Class [0604]: Device [1b36:000c]
00:02.2 Class [0604]: Device [1b36:000c]
00:02.3 Class [0604]: Device [1b36:000c]
00:02.4 Class [0604]: Device [1b36:000c]
00:02.5 Class [0604]: Device [1b36:000c]
00:02.6 Class [0604]: Device [1b36:000c]
00:02.7 Class [0604]: Device [1b36:000c]
00:03.0 Class [0604]: Device [1b36:000c]
00:07.0 Class [0c03]: Device [1033:0194] (rev 03)
00:1f.0 Class [0601]: Device [8086:2918] (rev 02)
00:1f.2 Class [0106]: Device [8086:2922] (rev 02)
00:1f.3 Class [0c05]: Device [8086:2930] (rev 02)
02:00.0 Class [0604]: Device [1b36:000e]
03:01.0 Class [0106]: Device [8086:06d2]
04:00.0 Class [0300]: Device [10de:21c4] (rev a1)
05:00.0 Class [0780]: Device [1af4:1043] (rev 01)
06:00.0 Class [0200]: Device [8086:1528] (rev 01)
07:00.0 Class [0107]: Device [1000:0087] (rev 05)
root@DVA3221:~# nvidia-smi -pm 1
Unable to determine the device handle for GPU 0000:04:00.0: Unknown Error
root@DVA3221:~#nvidia-smi
Unable to determine the device handle for GPU 0000:04:00.0: Unknown Error
root@DVA3221:~# ls /dev/nvid*
/dev/nvidia0 /dev/nvidiactl /dev/nvidia-uvm /dev/nvidia-uvm-tools
