Hi all, I've tested the following: - EHCI patch without auto_add and adding the devices manually Result: Works fine, all devices could be added. I've tested only 2 but it is more than with the auto_add feature :-) - UHCI only (no EHCI patch) with enabled "-device usb-host" Result: Same as with EHCI-Patch and enabled auto_add! Only ONE device gets detected. info usb shows two (tablet and one hardware usb device) info usbhost shows two hardware devices (+ the complete host controller set), where the second one does not get detected by qemu-kvm until the first device gets removed. If I then plug in again the first device, it does not get detected until the second gets removed (and so on) So the auto-add seems to be buggy in all configurations, it does not seem to be related with the EHCI-patch (that's my thought at this point). Best regards, Erik -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html