linux-kernel - Re: Input+S3: extra keycodes forgotten after suspend

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Message-ID: <20080521163638.ZZRA012@mailhub.coreip.homeip.net>
Date:	Wed, 21 May 2008 16:38:08 -0400
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Bruno Pr??mont <bonbons@...ux-vserver.org>
Cc:	Linux Input <linux-input@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"R. J. Wysocki" <Rafal.Wysocki@....edu.pl>
Subject: Re: Input+S3: extra keycodes forgotten after suspend

On Wed, May 21, 2008 at 10:08:33PM +0200, Bruno Pr??mont wrote:
> Hi Dmitry,
> 
> On Wed, 21 May 2008 Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:
> > Hi Bruno,
> > 
> > On Mon, May 19, 2008 at 06:45:01PM +0200, Bruno Pr??mont wrote:
> > > Hi Dmitry,
> > > 
> > > Please find attached dmesg output.
> > > 
> > > The suspend process looked somewhat like the following:
> > > - quick test of 
> > >     echo 1 > /sys/modules/i8042/parameters/debug
> > >   and disabled it again
> > >     echo 0 > /sys/modules/i8042/parameters/debug
> > > - exit X and rmmod usb-storage and a few other modules
> > >   (nfs, xfs and the like).
> > > - checked the extra keys (showkey) and enabled debug again
> > > - echo mem > /sys/power/state
> > > 
> > > Wait half a minute with laptop in S3
> > > 
> > > - hit enter to resume
> > > - wait a bit, as it takes too long help out with short
> > >   presses on power button (somehow it helps the HDD/CDROM
> > >   to resume), also pressed caps-lock when graphics were
> > >   resumed and cursor blinking (very slowly)
> > > - once userspace was awake again check extra keys with
> > >   showkeys
> > > - disabled input debug
> > > 
> > > I hope this is detailed enough.
> > > 
> > > List of patches applied to linux-2.6.25.4:
> > >   http://lkml.org/lkml/2008/5/16/430
> > >   http://lkml.org/lkml/2008/5/16/429
> > >   squashfs
> > > 
> > 
> > Question - does the problem happen if you dont have dritek extension
> > enabled (i.e. on unpatched kernel)?
> 
> When running 2.6.25.4 without the two dritek patches it does not
> redetect the keyboard (but obviously the extra keys don't work at all)
> 

Ah, ok, great.. I think we simply need to move dritek out of the place
where you put it in so it does not interfere with our efforts to
resume keyboard and mouse ;) I will see what I can do there..

-- 
Dmitry
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