Re: [Qemu-devel] Bug (Regression?) in hw/usb/hcd-uhci.c causes failure of ICH9 host controller and attached Xbox 360 Wireless Receiver

[Gerd Hoffmann]

  Hi,

> I should add that for some unknown reason, my host machine sometimes 
> changes the host bus enumeration that has the USB 2.0 hub hanging off 
> it, that has the pass-through devices attached to it.

Probably because linux probes the pci devices in parallel, so whoever
finished first gets bus number one.

cheers,
  Gerd