On 2017/08/21 12:00, Nick Hudson wrote: > On 08/16/17 06:42, sc dying wrote: >> When ukbd(4) is a console and connected to USB3 port, you can enter >> into DDB by pressing ALT+CTRL+ESC but console freezes. >> (on HEAD, netbsd-7, netbsd-8) >> >> xhci has two buses, sc->sc_bus is for usb3 and sc->sc_bus2 is for >> usb2. ukbd is usually connected at Low-Speed, so usbd_set_polling >> sets sc->sc_bus2->ub_usepolling. >> However, xhci.c checks only sc->sc_bus->ub_usepolling, that's why >> xhci_poll does not call xhci_softintr. >> >> I can show a quick dirty patch. >> It assumes ub_usepolling is always set by ukbd at LS/FS/HS. > Can you test this patch please?
It does not work. This patch helps xhci.c but does not usb_schedsoftintr in usb.c. Thanks,