Hi, 1 - Yes i've first tried without any debug, same effect. 2 - I also tried with qemu-kvm 1.1 rc3 and with your qemu-kvm-1.0-usbredir branch , same effect Regards, Nicolas 2012/5/30 Hans de Goede <hdegoede@xxxxxxxxxx>: > Hi, > > > On 05/29/2012 05:01 PM, nicolas prochazka wrote: >> >> Hello, >> I'm trying to use this usb device : >> >> http://www.ingenico.com/en/products/payment_terminals/healthcare/twin30-plus_fm0cqjcy.html >> under windows guest, this usb device is mounting but not recognized >> it's seems to be a special usb device , that's using serial port ( >> create com3 ) under windows. >> >> some debug ( spicy, qemu libspice, linux spicy host ) >> version : qemu-kvm 1.1 rc3 , libspice from git, spicy 0.12 > > > Some questions: > > 1) Have you tried using it without all the debugging enabled, debugging can > slow things > down considerably, and if this device is using an ftdi usb to serial > conversion chip, > then performance is going to matter, as that device has a buffer which needs > to be > emptied X times a second. > > 2) You say you're using qemu-kvm 1.1 rc3, do you have any additional patches > on top > of that? Unfortunately the chardev flowcontrol spice needs both for its > agent and > for usbredir is still not upstream :| usbredir will not be very reliable > without > chardev flowcontrol. Can you try using my qemu git tree here: > http://cgit.freedesktop.org/~jwrdegoede/qemu/log/?h=qemu-kvm-1.0-usbredir > > Note that you need to use the qemu-kvm-1.0-usbredir branch, I'l try to > rebase > the chardev flowcontrol patches on top of 1.1-rc# one of these days. > > Regards, > > Hans _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/spice-devel