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What we ended up doing was to use the qm "-args" command to add our USB devices, which allows you to specify more devices than the 5 the GUI/conf permits. For example: qm set 100 -args "-device usb-ehci,id=ehci,addr=0x5 \ -device usb-host,bus=ehci.0,hostbus=1,hostport=7.1 \ -device...

Hi Dominik, Thanks for the reply, I don't think the stability issue should be a concern, I don't see an issue when the devices are configured at boot, only when hot-added. If I add 4 devices at boot, it is quite stable, but the same 4 devices when hot-added can cause a segfault, which appears...

Hi Dominik, Again, apologies for the delay in replying... You're right, the add at runtime works - I can add as many devices as I like. On first add, it creates an 8 port virtual hub. When I add my 6th device, it "connects" and additional hub to the first virtual hub, to which my USB devices...

Hi Dominik, Thanks for the reply and apologies it's taken me so long to respond. What would the correct way to pass the USB hub through? It appears as follows: root@pve:~# lsusb -t /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/8p, 480M |__ Port 1: Dev 2, If 0, Class=Hub...

Hi everyone, I've been trying to pass a number of USB devices through to a guest KVM and couldn't for the life of me understand why one of them wasn't getting through until I read that that the vm.conf file supports usb0 to usb4 only, while I was using all the way up to usb7... Is this a...