[Bug 1626207] Re: -device usb-host failing with usbip_vudc-vhdi_hcd gadget

[Launchpad Bug Tracker <1626207@bugs.launchpad.net>]

[Expired for QEMU because there has been no activity for 60 days.]

** Changed in: qemu
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1626207

Title:
  -device usb-host failing with usbip_vudc-vhdi_hcd gadget

Status in QEMU:
  Expired

Bug description:
  I must admit that I do not know if this is a Qemu or a Kernel issue,
  but I try reporting here:

  When I try to forward a copy of my USB mouse that I made with the new virtual USB device controller in kernel 4.7 I get the following in my log:
  [  +0.703256] usb 1-4: reset full-speed USB device number 3 using xhci_hcd
  [  +1.020776] usb usb7-port3: Cannot enable. Maybe the USB cable is bad?
  [  +0.855013] usb usb7-port3: Cannot enable. Maybe the USB cable is bad?
  [  +0.859052] usb usb7-port3: Cannot enable. Maybe the USB cable is bad?
  [  +0.857000] usb usb7-port3: Cannot enable. Maybe the USB cable is bad?
  [  +0.000141] usb 7-3: USB disconnect, device number 10
  [  +0.153056] usb 1-4: reset full-speed USB device number 3 using xhci_hcd
  [  +0.703746] usb usb7-port3: Cannot enable. Maybe the USB cable is bad?
  [  +0.855001] usb usb7-port3: Cannot enable. Maybe the USB cable is bad?
  [  +0.855006] usb usb7-port3: Cannot enable. Maybe the USB cable is bad?
  [  +0.855005] usb usb7-port3: Cannot enable. Maybe the USB cable is bad?
  [  +0.000009] usb usb7-port3: unable to enumerate USB device

  the commands I use for makeing the virtual device are(after making a copy of the report description of my real mouse in /root/usb/kingston_report_desc):
          mkdir /sys/kernel/config/usb_gadget/winmouse
          cd /sys/kernel/config/usb_gadget/winmouse
          echo "0x047d" > idVendor
          echo "0x1020" > idProduct
          mkdir strings/0x409
          echo 2016 > strings/0x409/serialnumber
          echo Kensington > strings/0x409/manufacturer
          echo "Kensington Expert Mouse" > strings/0x409/product
          mkdir configs/c.1
          mkdir configs/c.1/strings/0x409
          mkdir functions/hid.usb2
          echo 2 > functions/hid.usb2/protocol
          echo 1 > functions/hid.usb2/subclass
          echo 4 > functions/hid.usb2/report_length
          cat /root/usb/kingston_report_desc > functions/hid.usb2/report_desc
          echo 0xa0 > configs/c.1/bmAttributes
          echo 100 > configs/c.1/MaxPower

          ln -s functions/hid.usb2 configs/c.1
          echo usbip-vudc.2 > UDC

          usbip attach -r localhost -d usbip-vudc.2

  The virtual mouse then shows up as Bus7,Dev10 and I use the option
  -device usb-host,hostbus=7,hostaddr=10,id=hostdev6,bus=usb.0,port=2 in
  Qemu to attach it.

  This is Qemu 2.7.0 on kernel 4.7.4

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