linux-kernel - Re: [REGRESSION] "bind" a device to a driver doesn't not work anymore

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Date:	Thu, 22 Oct 2009 11:32:50 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Éric Piel <Eric.Piel@...mplin-utc.net>
Cc:	Greg KH <gregkh@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>
Subject: Re: [REGRESSION] "bind" a device to a driver doesn't not  work
	anymore

On Thu, Oct 22, 2009 at 11:19:15AM -0700, Dmitry Torokhov wrote:
> On Thu, Oct 22, 2009 at 07:48:47PM +0200, Éric Piel wrote:
> > Op 22-10-09 18:22, Dmitry Torokhov schreef:
> >> On Thu, Oct 22, 2009 at 06:10:52PM +0200, Éric Piel wrote:
> >>> Op 21-10-09 22:20, Dmitry Torokhov schreef:
> >>>>
> >>>> Nothing, as far as I can tell... I see you typing "qwerty"... Does the
> >>>> keyboard work in console (let's say if you boot in run level 3 to take X out
> >>>> of the picture)? Could you please try compiling evbug module - it will show if
> >>>> keyboard events are propagated through input core. Also, whta driver are you
> >>>> using in X? Legacy keyboard or evdev?
> >>> In the console (in init 3), I haven't managed to reproduce it. In xorg,
> >>> the keyboard input uses evdev. Now I've just tried "evtest
> >>> /dev/input/event4", when the keyboard doesn't work... and I see the key
> >>> presses!
> >>>
> >>> So I guess it rules out a bug in the kernel, and I have to talk with the
> >>> people from Xorg, right?
> >>>
> >>
> >> Yep... but it is still wierd since evdev driver works fine for me...
> >> Could it be you are using either too old or too new version of X?
> >>
> > I don't think so: xorg 1.6.5, with xinput-evdev 2.2.5. They are both  
> > latest or second latest stable versions.
> >

Same here...

> > In the log I see this:
> > (--) SynPS/2 Synaptics TouchPad: touchpad found
> > (II) PS/2 Generic Mouse: Device reopened after 1 attempts.
> > (EE) AT Translated Set 2 keyboard: device key_bitmask has changed
> > (EE) AT Translated Set 2 keyboard: Device has changed - disabling.
> >
> > Quite a few people seem to have the same problem.
> 
> The bitmask should not be changing on it's own... Any chance you could
> save contents or /proc/bus/input/devices before suspend and after resume
> (when X decides to ditch the keyboard) and diff them?
> 

Also, are you using 64 bit userspace?

-- 
Dmitry
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