USB device randomly prevents VM from starting

jonathan.young

Active Member
Apr 26, 2020
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0
26
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Hi,

I have a VM with a USB card passed through to it. Attached to this is Microsoft gamepad controller (id: 045e:02fe). Weird thing is that randomly the VM will fail to start if this device is attached. Sometimes it boots and sometimes not. If it is not booting, then as soon as I unplug the device, it will carry on booting (i.e. show the Proxmox BIOS screen and carry on with start up). I would say this happens about 50% of the time. There is nothing relevant I can see in the syslog. I should also mention that I have several other devices connected to this USB card and they never interfere with the boot process only this one device.

I have tried to make sure that no driver is loaded by Proxmox by creating a udev rule:

ACTION=="add", ATTR{idVendor}=="045e", ATTR{idProduct}=="02fe", RUN="/bin/sh -c 'echo 1 >/sys/\$devpath/remove'"

but does not seem to have any effect.

Does anyone have any ideas?

Mnay Thanks,

Jonathan
 

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