linux-kernel - Re: magicmouse: claimed by neither input, hiddev nor hidraw

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Date:	Mon, 10 May 2010 23:52:55 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Justin Mattock <justinmattock@...il.com>
Cc:	linux-bluetooth@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: magicmouse: claimed by neither input, hiddev nor hidraw

On Mon, 10 May 2010, Justin Mattock wrote:

> >> with the magicmouse connecting i.g. I've had my system setup to use 
> >> the magicmouse with 2.6.33* with no issues now coming back after 
> >> sometime seems everything is connecting,but then no movement: (and 
> >> some thing in dmesg):
> >> [  116.267993] magicmouse 0005:05AC:030D.0007: claimed by neither
> >> input, hiddev nor hidraw
> >> [  116.268053] magicmouse 0005:05AC:030D.0007: magicmouse hw start failed
> >> using osx  magicmouse connects fine.
> >> Using standard mightymouse everything connects.
> >>  are there any reports of such things?
> >
> > Adding Michael Poole to CC.
> >
> > No, I haven't seen any such reports. First -- could you please provide
> > complete dmesg?
> 
> everything seems to be working o.k. now, just had to enable HIDRAW=y 
> maybe something changed to where I needed this(I remember never really 
> using hidraw, just HIDDEV(but could be wrong)).

This sounds a bit strange.

hidraw shouldn't be making too much difference in the case you describe. 
hidraw is basically just a mean of relaying HID events to userspace so 
that any driver/application in userspace can access them. But magicmouse 
driver is written completely in kernelspace.

Does anything on your system have /dev/hidraw* nodes open? (you could 
check by lsof).

-- 
Jiri Kosina
SUSE Labs, Novell Inc.
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