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

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Message-ID: <20080521135345.ZZRA012@mailhub.coreip.homeip.net>
Date:	Wed, 21 May 2008 13:55:13 -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

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)?

-- 
Dmitry
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