On Tue, 19 May 2009, Julien de Rosny wrote: > Thank for the answers. > > > > > Sure. Plug the device into a different port. The ports aren't all on > > the same bus. > There are 4 ports on the motherboard back. At each port, lsusb says the stick is > plugged on BUS 1 (with different devices). There may be other ports on the front or side of the motherboard. Or maybe there are bare connectors, with no cables connecting them to a port. > Moreover when I plug my USB optical mouse on the same port, now the bus changes, > it become bus 3! > > Is it normal that a same port can be assigned to several bus? Yes. Normally each port is connected to two buses. One bus is used for high-speed devices and the other bus is used for full-speed and low-speed devices. > Otherwise, where the problem can come from? Is a problem of the dibcom dvb-t usb > with bad protocol, or a problem of sb700???? I don't know. Alan Stern -- 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
