linux-kernel - Re: Bug#594089: keyboard-configuration: caps lock keycode problem

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Message-ID: <20101025182509.GA13929@core.coreip.homeip.net>
Date:	Mon, 25 Oct 2010 11:25:09 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Samuel Thibault <sthibault@...ian.org>,
	Tom Vier <tom@...adsys.com>, 594089@...s.debian.org,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Bug#594089: keyboard-configuration: caps lock keycode problem

On Mon, Oct 25, 2010 at 08:03:20PM +0200, Samuel Thibault wrote:
> Tom Vier, le Mon 25 Oct 2010 09:37:26 -0400, a écrit :
> > On 10/25/2010 12:50 AM, Dmitry Torokhov wrote:
> > >On Sun, Oct 24, 2010 at 04:41:51PM +0200, Samuel Thibault wrote:
> > >>The short story is: Tom's keyboard sends all that when he presses caps
> > >>lock:
> > >>
> > >>press: 0x3a 0xe0 0x66
> > >>repeat: 0x3a
> > >>release: 0xba 0xe0 0xe6
> > >>
> > >>0xe0 0x66 happens to be the "favorites" key on his keyboard with
> > >>internet navigation keys.  I thus believe there's a bug in his keyboard
> > >>that needs to be filtered at the kernel level.
> > >>
> > >>The long story can be read on 
> > >>http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=594089
> > >
> > >Hmm, the question is whether the real "favorites" key send the same
> > >usage and the fake one after caps lock. Any chance Tom could locate
> > >evtest utility and see what MSC_SCAN events being emitted?
> > 
> > Sure. Here's caps-lock:
> > 
> > Event: time 1288013671.633008, -------------- Report Sync ------------
> > Event: time 1288013674.171812, type 4 (Misc), code 4 (ScanCode), value 70039
> > Event: time 1288013674.171853, type 1 (Key), code 58 (CapsLock), value 1
> > Event: time 1288013674.171862, -------------- Report Sync ------------
> > Event: time 1288013674.172210, type 17 (LED), code 1 (CapsLock), value 1
> > Event: time 1288013674.299553, type 4 (Misc), code 4 (ScanCode), value 70039
> > Event: time 1288013674.299580, type 1 (Key), code 58 (CapsLock), value 0
> > Event: time 1288013674.299593, -------------- Report Sync ------------
> > 
> > 
> > Right-shift (the other problem key):
> > 
> > Event: time 1288013798.388025, -------------- Report Sync ------------
> > Event: time 1288013800.742088, type 4 (Misc), code 4 (ScanCode), value 700e5
> > Event: time 1288013800.742130, type 1 (Key), code 54 (RightShift), value 1
> > Event: time 1288013800.742142, -------------- Report Sync ------------
> > Event: time 1288013800.861777, type 4 (Misc), code 4 (ScanCode), value 700e5
> > Event: time 1288013800.861812, type 1 (Key), code 54 (RightShift), value 0
> > Event: time 1288013800.861824, -------------- Report Sync ------------
> 
> Could you also post results when pressing the "favorite" and the "prev"
> internet keys of your keyboard?
> 

Actually, if these are all the events that evtest reports when pressing
CapsLock then I am confused where the "favorites" ghost press is coming
from... They are not emitted by the device. Do you have a funky keymap
loaded somewhere? Also, was 'showkey -s' issued while in X or in the
text console?

-- 
Dmitry
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