On Mon, Mar 18, 2013 at 06:20:12PM +0100, Martin Mokrejs wrote: > Hi Sarah, > in this particular thread, the USB3 socket of the laptop works once > I plugin a device. When I unplug it and insert same or another device it appears > to be dead until I use 'lsusb -vvv'. After that, I see in dmesg the two lines: Which kernel are you running on? We had a regression that involved dead ports after a USB disconnect in 3.8. This was was fixed in 3.8.3. Can you please retest with that kernel version? Sarah Sharp -- 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