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Date: Fri, 13 Jun 2014 16:50:30 -0000
From: Michal Suchanek <hramrach@gmail.com>
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Subject: [Qemu-devel] [Bug 685096] Re: USB Passthrough not working for
	Windows 7 guest
Reply-To: Bug 685096 <685096@bugs.launchpad.net>
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To: qemu-devel@nongnu.org

So the RightWay(tm) to fix this is to download
http://git.qemu.org/?p=3Dqemu.git;a=3Dblob_plain;f=3Ddocs/ich9-ehci-
uhci.cfg;hb=3DHEAD

and run

qemu-system-x86_64 -net none -readconfig ich9-ehci-uhci.cfg -device usb-
host,vendorid=3D0x0b95,productid=3D0x772b -device usb-tablet <extra options
here>

-- =

You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/685096

Title:
  USB Passthrough not working for Windows 7 guest

Status in QEMU:
  Confirmed
Status in =E2=80=9Cqemu-kvm=E2=80=9D package in Ubuntu:
  Incomplete

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 102=
4 -smp 2 -vga std -hda ./disk_images/win7.qcow -vnc :1 -boot c -usb -usbdev=
ice 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 102=
4 -smp 2 -usb -vga std -hda ./winxpsp3.qcow -vnc :0 -boot c -usbdevice tabl=
et -usbdevice host:0781:5150

  Any help is appreciated.

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