linux-kernel - Re: Changes to sysfs PM layer break userspace

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Date:	Sat, 23 Dec 2006 15:02:54 +0100
From:	Stefan Seyfried <seife@...e.de>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org, david-b@...bell.net, gregkh@...e.de,
	Holger Macht <hmacht@...e.de>
Subject: Re: Changes to sysfs PM layer break userspace

On Fri, Dec 22, 2006 at 08:44:01PM +0000, Pavel Machek wrote:
> Hi!
> 
> > > which userspace is using this btw?
> > 
> > Ubuntu uses it to disable wireless hardware under certain circumstances. 
> > I believe that Suse's powernowd uses it to power down wired ethernet 
> > hardware when it's not in use.

Powersaved had implemented this, but it was always declared an experimental
feature and AFAIK is gone since quite some time.
 
> I flamed seife for this. It was always broken for 20%-or-so of
> hardware. It is _not_ simple to fix.

It was an experimental feature in the words sense:
For experimentation. I never accepted any bugreports for that but told
the reporters to go away :-)
-- 
Stefan Seyfried
QA / R&D Team Mobile Devices        |              "Any ideas, John?"
SUSE LINUX Products GmbH, Nürnberg  | "Well, surrounding them's out." 
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