Radeon 5700 Passthrough VM Restart Error on Proxmox

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Fukuringa

New Member
Jan 27, 2025
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Hello. I'm using a Radeon 5700 connected to Proxmox.
However, once this assigned VM is stopped, I cannot restart it without rebooting the host machine itself, as it displays the following error.
If you know a way to restart the VM without having to reboot the host machine every time, please let me know.

error writing '1' to '/sys/bus/pci/devices/0000:0a:00.0/reset': Inappropriate ioctl for device
failed to reset PCI device '0000:0a:00.0', but trying to continue as not all devices need a reset
swtpm_setup: Not overwriting existing state file.
kvm: ../hw/pci/pci.c:1633: pci_irq_handler: Assertion `0 <= irq_num && irq_num < PCI_NUM_PINS' failed.
stopping swtpm instance (pid 966489) due to QEMU startup error
TASK ERROR: start failed: QEMU exited with code 1

The following is vmconfig.
agent: 1
bios: ovmf
boot: order=sata0;net0
cores: 8
cpu: host
efidisk0: local-lvm:vm-507-disk-0,efitype=4m,pre-enrolled-keys=1,size=4M
hostpci0: 0000:0a:00,pcie=1,x-vga=1
machine: pc-q35-9.0
memory: 8192
meta: creation-qemu=9.0.2,ctime=1759991634
name: GPU
net0: virtio=BC:24:11:4F:66:0C,bridge=vmbr0,firewall=1
numa: 0
ostype: win11
sata0: local-lvm:vm-507-disk-1,cache=writethrough,discard=on,size=64G
scsihw: virtio-scsi-single
smbios1: uuid=a9ee5442-17c5-4636-9830-f2011900e183
sockets: 1
tpmstate0: local-lvm:vm-507-disk-2,size=4M,version=v2.0
vmgenid: c359e7e1-ea1d-4540-bb1c-061958158521

I am Japanese and use translation tools, so there may be some awkward phrasing. If you have any questions or need further details, please feel free to contact me.
 
leesteken said:
Did you install and enable vendor-reset: https://github.com/gnif/vendor-reset ? If not, you might wan to look into it (lots of threads on this forum and the internet) for properly resetting Radeon 5700 GPUs.
x-vga=1 (Primary GPU) is for NVidia and should usually not be enabled for AMD GPUs.
Click to expand...
Thank you for your advice.
I installed vendor-reset, but it still hasn't fixed the issue.
I also tried applying it after rebooting using commands like
`echo vendor-reset >> /etc/modules-load.d/vendor-reset.conf`, but it didn't work.

I would greatly appreciate it if you could tell me how to fix this.
Please let me know if you need any additional i

root@server05:~# dmesg | grep -i vendor
[ 2.948724] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.08
[ 2.971000] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.08
[ 2.980540] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.08
[ 2.980919] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.08
[ 3.371537] usb 3-3: New USB device found, idVendor=04e6, idProduct=5810, bcdDevice= 2.00
[ 3.672703] usb 1-3: New USB device found, idVendor=046e, idProduct=5500, bcdDevice= 1.10
[ 3.977331] vendor_reset: loading out-of-tree module taints kernel.
[ 3.977335] vendor_reset: module verification failed: signature and/or required key missing - tainting kernel
[ 4.006981] vendor_reset_hook: installed
[ 4.128873] usb 1-6: New USB device found, idVendor=0511, idProduct=023f, bcdDevice= 1.00

root@server05:~# lspci -nnk -s 0a:00.0
0a:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 [Radeon RX 5600 OEM/5600 XT / 5700/5700 XT] [1002:731f] (rev c4)
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Reference RX 5700 XT [1002:0b36]
Kernel driver in use: vfio-pci
Kernel modules: amdgpu


error writing '1' to '/sys/bus/pci/devices/0000:0a:00.0/reset': Inappropriate ioctl for device
failed to reset PCI device '0000:0a:00.0', but trying to continue as not all devices need a reset
swtpm_setup: Not overwriting existing state file.
kvm: ../hw/pci/pci.c:1633: pci_irq_handler: Assertion `0 <= irq_num && irq_num < PCI_NUM_PINS' failed.
stopping swtpm instance (pid 26973) due to QEMU startup error
TASK ERROR: start failed: QEMU exited with code 1
 
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