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Date: Fri, 29 Feb 2008 09:17:22 -0500
From: "Gerb Stralko" <gerb.stralko@gmail.com>
Subject: Re: [kvm-devel] [Qemu-devel] [PATCH] USB 2.0 EHCI emulation
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To: Arnon Gilboa <arnon.gilboa@qumranet.com>
Cc: kvm-devel@lists.sourceforge.net, qemu-devel@nongnu.org

On Fri, Feb 29, 2008 at 2:33 AM, Arnon Gilboa <arnon.gilboa@qumranet.com> wrote:
> In hw/pc.c, replace usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
>  With usb_ehci_init(pci_bus, piix3_devfn + 2);

With these changes.. I can't add the usb devices anymore to a Windows
XP (32 bit).

This is the command i use to start kvm:
/usr/local/bin/kvm/qemu-system-x86_64 -localtime -m 512 -usb -hda win32xp.img

To add usb device i normally go to the qemu console and type:
info usbhost
<find the number for my device i want to connect to>
usb_add host:03f0:01cda

But with your patch, when i try to add a usb device i get:
Could not add 'USB device host:03f0:01cda'

Since i'm using EHCI emulation, do i need to add usb devices in a
different way? Or should it work exactly the same way?

Thanks,

Jerry

>  Note my comments on the original post:
>  -tested on XP guest
>  -does not support ISO transfers
>  -timing issues
>
>
>
>  -----Original Message-----
>  From: Gerb Stralko [mailto:gerb.stralko@gmail.com]
>  Sent: Thursday, February 28, 2008 9:46 PM
>  To: Arnon Gilboa
>  Cc: qemu-devel@nongnu.org; kvm-devel@lists.sourceforge.net
>  Subject: Re: [kvm-devel] [Qemu-devel] [PATCH] USB 2.0 EHCI emulation
>
>  >  Attached is a repost of the preliminary patch implementing USB 2.0
>  > EHCI  emulation.
>
>  I want to start testing your patches for the EHCI stuff.   Do i need
>  to enable anything inorder to get EHCI emulation working after applying
>  your patch?
>
>  Unfortunately, with this patch it doesn't work for me.  My guest host
>  (windows vista) still became really slow when I add the a usb device.
>  >
>  >  Waiting for your comments,
>  >  Arnon
>  >
>
>  Thanks,
>
>  Jerry
>