Hans van Zijst
2011-Mar-01 08:07 UTC
[Xen-devel] Error connecting USB-device to DomU, kernel 2.6.32-5-xen-amd64, Xen 4.0.1
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@lists.xensource.com
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?
Kind regards,
Hans
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Pasi Kärkkäinen
2011-Mar-01 08:45 UTC
Re: [Xen-devel] Error connecting USB-device to DomU, kernel 2.6.32-5-xen-amd64, Xen 4.0.1
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@lists.xensource.com > 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@lists.xensource.com http://lists.xensource.com/xen-devel
Pasi Kärkkäinen
2011-Mar-01 09:04 UTC
Re: [Xen-devel] Error connecting USB-device to DomU, kernel 2.6.32-5-xen-amd64, Xen 4.0.1
On Tue, Mar 01, 2011 at 10:45:53AM +0200, Pasi Kärkkäinen wrote:> 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@lists.xensource.com > > 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. >Basicly you need xen-usbback driver in the dom0 kernel and xen-usbfront driver in the domU kernel. http://wiki.xen.org/xenwiki/XenUSBPassthrough See here for a pvusb patch for 2.6.32 pvops kernel: http://lists.xensource.com/archives/html/xen-devel/2011-01/msg00354.html -- Pasi _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel