On Tue, 25 Sep 2012, Pratyush Anand wrote: > Hi , > > I use 3.5.3-1.fc17 kernel on my host test PC. I use dwc3 in Super speed > mode as usb device, however the issue which I see is not related to usb > device. > I have observed that testusb (test13, EP halt test) never passes in > Supper Speed mode. When simple_io is called second time from > verify_halted (ie with label verify_still_halted), wait_for_completion > never completes. I need to reboot PC to get xhci port working again. > > Also on the bus I do not see that host is sending second IN token after > Get Status (See snapshot). So, it is clear that xhci driver is stuck > some where. The snapshot also shows that the device returned a STALL in the bulk transfer when verify_not_halted() called simple_io(). Why didn't the test fail at that point? 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