10:03 a.m.
On 2013-12-30 10:37 AM, Hans de Goede wrote:
Hi,
On 12/29/2013 08:44 AM, Stewart Adam wrote:
> Hi,
>
> I have been attempting to attach a USB keyboard & mouse from the host to a
> Windows 7 guest using QEMU's USB2 controller. The keyboard seems to attach
> correctly, however I have trouble with certain mice and devices. When
> starting the guest, the devices remain attached for a second or two, then
> they disconnect. the libvirt logs show that it no longer sees the USB
> device, and I see this in dmesg:
>
> [ 10.876071] usb 3-13: reset full-speed USB device number 2 using xhci_hcd
> [ 10.888206] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with
> disabled ep ffff88041917f740
> [ 10.888209] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with
> disabled ep ffff88041917f800
> [ 10.888210] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with
> disabled ep ffff88041917f7c0
> [ 11.041209] usb 3-14: reset full-speed USB device number 3 using xhci_hcd
> [ 11.054379] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with
> disabled ep ffff8800c8d559c0
> [ 11.054383] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with
> disabled ep ffff8800c8d55440
> <repeats for some time>
> [ 87.476806] usb 3-14: new full-speed USB device number 4 using xhci_hcd
> [ 87.491908] usb 3-14: New USB device found, idVendor=046d, idProduct=c066
> [ 87.491911] usb 3-14: New USB device strings: Mfr=1, Product=2,
> SerialNumber=3
> [ 87.491912] usb 3-14: Product: G9x Laser Mouse
> [ 87.491914] usb 3-14: Manufacturer: Logitech
> [ 87.491914] usb 3-14: SerialNumber: 081BB92CA70018
> [ 87.494697] input: Logitech G9x Laser Mouse as
> /devices/pci0000:00/0000:00:14.0/usb3/3-14/3-14:1.0/input/input16
> [ 87.494994] hid-generic 0003:046D:C066.0008: input,hidraw0: USB HID
> v1.11 Mouse [Logitech G9x Laser Mouse] on usb-0000:00:14.0-14/input0
> [ 87.498834] input: Logitech G9x Laser Mouse as
> /devices/pci0000:00/0000:00:14.0/usb3/3-14/3-14:1.1/input/input17
> [ 87.499078] hid-generic 0003:046D:C066.0009: input,hiddev0,hidraw1: USB
> HID v1.11 Keyboard [Logitech G9x Laser Mouse] on usb-0000:00:14.0-14/input1
>
> As you can see the device re-attaches to the host. The device is plugged
> into a USB2 port, but it appears to be controlled by Intel's XHCI controller:
> 00:14.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series
> Chipset Family USB xHCI [8086:8c31] (rev 04)
What seems to be happening is that the guest is getting errors when talking
to the device and keeps resetting
the device. And at one point in time the many resets lead to a disconnect /
reset.
Hi Hans,
In the interim to get things working I ended up passing through the entire
PCI controller (all USB ports) to Windows and the same device doesn't reset
with the Windows native xHCI driver.
I can easily undo that and I'll run some tests again with USB redirection.
So the problem is the many resets. What usb redirection are you
using, are
you using qemu's host redirection,
or are you using spice's usb redirection. If you don't know please describe
how you're redirecting the
devices (ie which cmdline you use, or which gui options you choose).
I'm using
libvirt & virt-manager as well as 'virsh attach-device' from the
command line, so if I am not mistaken this is QEMU's host USB passthrough.
If you're using qemu's host redirection code can you retry
with spice's
usbredir code ?
Is this possible by tweaking libvirt? Note that I'm also
running VFIO VGA
passthrough so I don't have a spice display... I don't know if that makes a
difference.
Regards,
Stewart