linux-kernel - Re: hid device not claimed but /dev/input/event exists

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Message-ID: <Pine.LNX.4.64.0802191751040.7699@twin.jikos.cz>
Date:	Tue, 19 Feb 2008 17:51:53 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Tomas Carnecky <tom@...ervice.com>
cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: hid device not claimed but /dev/input/event exists

On Tue, 19 Feb 2008, Tomas Carnecky wrote:

> usb 1-2.2: new full speed USB device using ehci_hcd and address 6
> usb 1-2.2: configuration #1 chosen from 1 choice
> HID device claimed by neither input, hiddev nor hidraw
> input: Logitech Z-10 USB Speaker as
> /devices/pci0000:00/0000:00:02.1/usb1/1-2/1-2.2/1-2.2:1.3/input/input4
> input: USB HID v1.10 Device [Logitech Z-10 USB Speaker] on
> usb-0000:00:02.1-2.2
> Nobody claims the device and yet an evdev device shows up in /dev/input? That

Yes, that looks indeed bogus.

> I enabled HID_DEBUG, but no debug messages show up in my dmesg output, 
> which is strange. 

You have to modprobe the 'hid' module with 'debug=1' parameter. Please 
send me the resulting output.

-- 
Jiri Kosina
SUSE Labs

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