Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755997Ab1EBU1a (ORCPT ); Mon, 2 May 2011 16:27:30 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:50516 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753597Ab1EBU13 (ORCPT ); Mon, 2 May 2011 16:27:29 -0400 Date: Mon, 2 May 2011 16:27:28 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: "Adi J. Sieker" cc: Oliver Neukum , USB list , , Subject: Re: USB keyboard recognized as HID keyboard but doesn't work In-Reply-To: <4DBF077B.8080903@sieker.io> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1474 Lines: 37 On Mon, 2 May 2011, Adi J. Sieker wrote: > > Something else that might help is a usbmon trace showing what happens > > when you plug in the keyboard. Instructions are in the kernel source > > file Documentation/usb/usbmon.txt. In particular, while running the > > test try pressing some of the normal keys that don't work. > > > > The attached file usbmon-working.out is the output when I pressed the > backspace key. When I press any of the non working keys which is > everything but the backspace and menu key. I don't get any output even > when using 0u. Sorry, I wasn't clear enough. I meant for you to start the usbmon trace _before_ plugging in the keyboard, so we can see what happens as the keyboard is initialized and probed. > > Also, it would help to see the output from "lsusb -v" for this device > > -- but you'll have to unbind it from the usbhid driver first. > > > > When attaching the keyboard I get 2 devices in > /sys/bus/usb/drivers/usbhid/2-1.1:1.0 and > /sys/bus/usb/drivers/usbhid/2-1.1:1.1 > > The output is in the attached lsusb.txt. The output looks good. It doesn't mean much to me, but the people on the linux-input mailing list should be able to get something out of it. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/