WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] Error connecting USB-device to DomU, kernel 2.6.32-5-xen

To: Hans van Zijst <hans@xxxxxxxxxxx>
Subject: Re: [Xen-devel] Error connecting USB-device to DomU, kernel 2.6.32-5-xen-amd64, Xen 4.0.1
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Tue, 1 Mar 2011 10:45:53 +0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 01 Mar 2011 00:47:58 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4D6CA92C.4080303@xxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <4D6CA92C.4080303@xxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.18 (2008-05-17)
On Tue, Mar 01, 2011 at 09:07:08AM +0100, Hans van Zijst wrote:
> Hi,
> 
> When trying to connect my USB printer to the DomU that has CUPS
> installed, I run into an error:
> 
> Unexpected error: <class 'xen.util.vusb_util.UsbDeviceParseError'>
> 
> Please report to xen-devel@xxxxxxxxxxxxxxxxxxx
> Traceback (most recent call last):
>   File "/usr/lib/xen-4.0/bin/xm", line 8, in <module>
>     main.main(sys.argv)
>   File "/usr/lib/xen-4.0/lib/python/xen/xm/main.py", line 3620, in main
>     _, rc = _run_cmd(cmd, cmd_name, args)
>   File "/usr/lib/xen-4.0/lib/python/xen/xm/main.py", line 3644, in _run_cmd
>     return True, cmd(args)
>   File "/usr/lib/xen-4.0/lib/python/xen/xm/main.py", line 2868, in
> xm_usb_attach
>     if vusb_util.bus_is_assigned(bus):
>   File "/usr/lib/xen-4.0/lib/python/xen/util/vusb_util.py", line 275, in
> bus_is_assigned
>     raise UsbDeviceParseError("Can't get assignment status: (%s)." % bus)
> xen.util.vusb_util.UsbDeviceParseError: vusb: Error parsing USB device
> info: Can't get assignment status: (5-2).
> 
> 
> I'm running Xen 4.0.1 on Debian Wheezy, kernel 2.6.32-5-xen-amd64, both
> on Dom0 and the DomU.
> 
> I tried adding this line to the DomU's configuration:
> 
> vusb = [ 'usbver=2,numports=2,port_1=5-2,port_2=5-3' ]
> 
> which supposedly creates 2 USB ports on the DomU (I found a document on
> the Internet describing PV-USB, but I can't find it anymore...). The
> first port, 5-2, is the one to which the printer is connected.
> 
> After the DomU has booted, I issue "xm list-usb domu" on Dom0, which
> gives me:
> 
> Idx BE  state usb-ver  BE-path
> 0   0   1     USB2.0  /local/domain/0/backend/vusb/14/0
> port 1: 5-2 [ID 03f0:5511 HP Deskjet F300 series]
> port 2: 5-3
> 
> So far, so good. The Dom0 seems to hand the printer to the DomU.
> However, DomU doesn't seem to notice anything. When I do "lsusb" on it,
> it bails out with:
> 
> unable to initialize libusb: -99
> 
> Manually loading the usbcore module and its friends doesn't help.
> 
> Now, if I explicitly connect this thing with:
> 
> xm usb-attach DomU 0 1 5-2
> 
> I get the error mentioned above.
> 
> Any ideas?
> 

I don't think Debian Squeeze 2.6.32 kernel includes Xen PVUSB support/patches.

-- Pasi


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>