Passthrough Win11 error: igpu 780M AMD Ryzen 7 8845HS

kobold81

New Member
Jan 9, 2025
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Hello,

after some month, I wanted to game tonight with my win11 vm. Somehow, it crashed the whole server on 6.14.0-2-pve, while on 6.8.12 it just hangs without initializing the screen.
My batocera and Ubuntu vms with the same config as the win11 vm work perfectly, so it has to be win11 related

I have narrowed it down to this:
  • if I pass through the soundcard, it hangs (or crashes the whole server on 6.14.0-2-pve)
  • if I omit the following line, win11 boots without problems but naturally does not have a soundcard
    Code:
    hostpci1: 0000:c6:00.1,pcie=1,romfile=AMDGopDriver_8845hs.rom
Does anyone have a clue?


my 100.conf:

Code:
agent: 1
bios: ovmf
boot: order=virtio1
cores: 12
cpu: host
efidisk0: local-lvm:vm-100-disk-0,efitype=4m,pre-enrolled-keys=1,size=4M
hookscript: local:snippets/vm100-hookscript.pl
hostpci0: 0000:c6:00.0,pcie=1,romfile=vbios_7xxx.bin,x-vga=1
#hostpci1: 0000:c6:00.1,pcie=1,romfile=AMDGopDriver_8845hs.rom
hostpci1: 0000:c6:00.1,pcie=1,romfile=AMDGopDriver.rom

kvm: 1
machine: pc-q35-9.2+pve1,viommu=virtio
memory: 32768
meta: creation-qemu=9.0.2,ctime=1733924757
name: win11
net0: virtio=BC:24:11:36:84:A6,bridge=vmbr0,firewall=1
numa: 0
ostype: win11
scsihw: virtio-scsi-single
smbios1: uuid=8fce8f12-7120-4d82-8b5d-92ef60033265
sockets: 1
tpmstate0: local-lvm:vm-100-disk-2,size=4M,version=v2.0
usb0: host=1e7d:2c8b,usb3=1
usb1: host=046a:c099,usb3=1
usb2: host=8087:0029,usb3=1
usb3: host=06a3:3a21,usb3=1
usb4: host=058f:6387,usb3=1
vga: none
virtio1: local-lvm:vm-100-disk-1,iothread=1,size=400G