[Qemu-devel] [Bug 685096] Re: USB Passthrough not working for Windows 7 guest

[FFO]

The only way to see my iPhone (or any USB device) in the Windows guest
is to have it redirected via "Spice", not with libvirt xml capture
elements.

Select Redirect USB device in virt-viewer and it just works.

I have upgraded to Qemu 2.4, libvirt 1.2.21 and upgraded the qemu machine to 
"q35" as I tried hard to make it work via xml.
Now that I have it working, I don't plan to check if it works with less current 
software / machines.

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https://bugs.launchpad.net/bugs/685096

Title:
  USB Passthrough not working for Windows 7 guest

Status in QEMU:
  Confirmed
Status in qemu package in Ubuntu:
  Confirmed
Status in qemu package in Debian:
  New

Bug description:
  USB Passthrough from host to guest is not working for a 32-bit Windows
  7 guest, while it works perfectly for a 32-bit Windows XP guest.

  The device appears in the device manager of Windows 7, but with "Error
  code 10: device cannot start". I have tried this with numerous USB
  thumbdrives and a USB wireless NIC, all with the same result. The
  device name and functionality is recognized, so at least some USB
  negotiation is taking place.

  I am trying this with the latest git-pull of QEMU-KVM.

  The command line to launch qemu-kvm for win7 is:
  sudo /home/user/local_install/bin/qemu-system-x86_64 -cpu core2duo -m 1024 
-smp 2 -vga std -hda ./disk_images/win7.qcow -vnc :1 -boot c -usb -usbdevice 
tablet -usbdevice host:0781:5150

  The command line to launch qemu-kvm for winxp is:
  sudo /home/user/local_install/bin/qemu-system-x86_64 -cpu core2duo -m 1024 
-smp 2 -usb -vga std -hda ./winxpsp3.qcow -vnc :0 -boot c -usbdevice tablet 
-usbdevice host:0781:5150

  Any help is appreciated.

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