05.08.2017 15:02, Christian Seiler wrote:
>> What's the complete qemu command line?
> It's quite long (generated from libvirt), I posted that in the initial
> bug report:
>> Does it include nec-xhci?
> Yes, it does:
> -device nec-usb-xhci,id=usb,bus=pci.0,addr=0x5
> (I did configure XHCI in libvirt to be able to pass through
> USB 3 devices.)
> And indeed, if I change that back to USB 2.0 in libvirt's configuration,
> and install +deb9u1, the VM now boots again.
This is #869945, and the actual problem is not what you've
posted but the xhci assertion failure.
I'll merge this bug with #869945.