linux-kernel - Re: Failure to properly reinit i8042 post suspend-to-ram

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Message-Id: <200707052104.27693.nigel@nigel.suspend2.net>
Date:	Thu, 5 Jul 2007 21:04:27 +1000
From:	Nigel Cunningham <nigel@...el.suspend2.net>
To:	Pavel Machek <pavel@....cz>
Cc:	LKML <linux-kernel@...r.kernel.org>, dmitry.torokhov@...il.com
Subject: Re: Failure to properly reinit i8042 post suspend-to-ram

Hi.

On Thursday 05 July 2007 20:15:14 Pavel Machek wrote:
> Hi!
> 
> > I have recently begun to try and use suspend to ram more, and have an 
> > intermittent problem. Actually, it's a couple of (possibly related) 
problems, 
> > but I'll start with the one that's easiest.
> > 
> > Sometimes, when I resume, the keyboard stops responding. I then need to 
hold 
> > down the power button for 4 seconds. At the next boot, things are still 
not 
> > right. The i8042 controller seems to be confused about it's mode, because 
I 
> > get the following differences in dmesg to a 'normal' boot:
> 
> If confusion persist after 4 seconds hard power down... then you h ve
> hw/BIOS problem. Complain to whoever is manufacturing that beast.

Adding i8042.reset=1 to the commandline fixed it.

Regards,

Nigel
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