At Tue, 14 Dec 2010 10:47:01 -0500 (EST), Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > You should change your program to install configuration 0 (i.e., > unconfigure the device) before carrying out the data transfer. That > will limit the transfer rate to one transaction per ms -- provided you > continue to use a UHCI controller. Thanks, I'll try it. But it is strange: - If I run Windows application in VirtualBox on Linux it stops working. - If I run Linux application in VirtualBox on Windows it starts working. I supposed that problem source is near the host controller driver. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html