On Mon, Jul 30, 2018 at 1:24 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > On Mon, 30 Jul 2018, Nick Desaulniers wrote: > > > Hello, > > Today my usb keyboard stopped working: > > > > [513672.838235] usbhid 3-10.1:1.0: couldn't find an input interrupt endpoint > > > > I happen to have two models of the same keyboard (Das Keyboard > > Ultimate 4C), from the working one: > > [ 37.865738] usb 1-1.1: New USB device found, idVendor=24f0, idProduct=0142 > > and the broken one: > > [513672.837646] usb 3-10.1: New USB device found, idVendor=24f0, idProduct=0000 > > > > This causes the product to be misidentified. Is something wrong with > > the keyboard that's causing it to misreport the idProduct? > > Probably it lost some of its firmware. Is it possible to ask Linux to remount this device with a new idProduct? -- Thanks, ~Nick Desaulniers -- 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