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RE: [kvm-devel] [Qemu-devel] [PATCH] USB 2.0 EHCI emulation
From: |
Arnon Gilboa |
Subject: |
RE: [kvm-devel] [Qemu-devel] [PATCH] USB 2.0 EHCI emulation |
Date: |
Sat, 1 Mar 2008 13:05:39 -0800 |
Can you give me some details about the device?
-----Original Message-----
From: address@hidden
[mailto:address@hidden On Behalf Of
Gerb Stralko
Sent: Friday, February 29, 2008 4:17 PM
To: Arnon Gilboa
Cc: address@hidden; address@hidden
Subject: Re: [kvm-devel] [Qemu-devel] [PATCH] USB 2.0 EHCI emulation
On Fri, Feb 29, 2008 at 2:33 AM, Arnon Gilboa
<address@hidden> 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:address@hidden
> Sent: Thursday, February 28, 2008 9:46 PM
> To: Arnon Gilboa
> Cc: address@hidden; address@hidden
> 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
>
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