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Date: Thu, 13 Dec 2012 16:32:16 +0100
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: Re: [Qemu-devel] Performance of usb tablet over ehci
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To: luo_brian <luo_brian@126.com>
Cc: Hans de Goede <hdegoede@redhat.com>, qemu-devel@nongnu.org

On 12/13/12 16:25, luo_brian wrote:
> I was using win7 32bit, and configured usb controller nec-xhci as
> well as usb tablet emulation. But it didn't work. Seems usb tablet
> failed to connect to xhci controller.

win7 doesn't ship with a xhci driver (win8 does).

cheers,
  Gerd