linux-kernel - Re: Problems with remote-wakeup settings

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Date:	Sat, 6 Mar 2010 07:36:18 +0300
From:	Andrey Borzenkov <arvidjaar@...l.ru>
To:	linux-hotplug@...r.kernel.org
Cc:	Alan Stern <stern@...land.harvard.edu>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Oliver Neukum <oliver@...kum.org>,
	"Linux-pm mailing list" <linux-pm@...ts.linux-foundation.org>,
	linux-input@...r.kernel.org, USB list <linux-usb@...r.kernel.org>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: Problems with remote-wakeup settings

On Saturday 06 of March 2010 07:16:20 Alan Stern wrote:
> On Fri, 5 Mar 2010, Rafael J. Wysocki wrote:
> > On Friday 05 March 2010, Oliver Neukum wrote:
> > > Am Freitag, 5. März 2010 21:59:31 schrieben Sie:
> > > > > I guess it's better if drivers don't set should_wakeup if
> > > > > unsure, but of course that's impossible to enforce.
> > > > 
> > > > That's the real question.  Ideally, drivers won't touch
> > > > should_wakeup. How do we get there from here?
> > > 
> > > Enable it only for devices specifically designed for wakeup, that
> > > is keyboards, power buttons and WoL, perhaps also mice and
> > > modems. Are we far away from that?
> > 
> > I don't think we're very far from that.
> > 
> > Mice are known dangerous, especially the USB ones, though.
> 
> I agree, especially for desktop systems.  You don't want the system
> to wake up merely because you happened to jostle the mouse.  That
> happened to me just a few days ago (and it was a PS/2 mouse, not
> USB).

I remember, my old desktop had BIOS option to wake up on mouse click 
(and it had PS/2 mouse either) ignoring mouse move. I actually found it 
useful.

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