linux-kernel - Re: [REGRESSION][PATCH] Fix an old sky2 WOL regression

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Message-ID: <32467848.260261336162622524.JavaMail.defaultUser@defaultHost>
Date:	Fri, 4 May 2012 21:17:02 +0100 (BST)
From:	"dilieto@...eone.net" <dilieto@...eone.net>
To:	Knut_Petersen@...nline.de
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Stephen Hemminger <shemminger@...tta.com>,
	"David S. Miller" <davem@...emloft.net>, arekm@...en.pl,
	Jared <nitro@...room.net>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [REGRESSION][PATCH] Fix an old sky2 WOL regression

Dear Knut,

I am sorry it took a while to try it due to other 
commitments, however I can now confirm the patch works on my ASUS P5LD2 
motherboard.

Many thanks
Nicola

On 2012-03-21 12:40, Knut Petersen 
wrote:
> Sky2 Wake on LAN is broken since February 2010 on a number of 
systems.
> Yes. More than two years.
>
> We know about the problem and 
the cause since October 2010
> (Bugzilla bug #19492). It´s commit 
87b09f1f25cd1e01d7c50bf423c7fe33027d7511.
>
> Stephen, David: You 
signed off that commit.
>
> Andrew: You called it a regression in 
October 2010.
>
> It has been proposed to revert the commit that caused 
the problem.
> Nothing happened.
>
> I proposed to re-establish the old 
code for dmi_match()ed systems.
> Without success.
>
> Now it is 
proposed to re-establish the old code as a configuration option.
> If 
nothing happens again I will propose a module parameter ;-)
>
> 
Stephen, I don´t want to be a pain in the neck, and it is not my 
intention
> to offend you by my "attitude". But I simply cannot 
understand why this
> know regression is not fixed. The bit we talk 
about is documented,
> and in fact it was set for a number of kernel 
versions unconditionally.
> Nobody complained about ruined hardware or 
minor problems.
>
> The systems affected are old enough that no 
manufacturer cares about
> them, but they are still quite usable for a 
lot of jobs (kernel 3.3 compile
> time here is below 15 minutes).
>
> 
If there is a problem in the kernel and if we do know an easy solution,

> that solution should be commited to the kernel, no matter what is 
written
> in some random documentation, no matter if we could blame 
some
> BIOS authors. That´s the way Linux works - at least I thought 
so.
>
> cu,
> Knut
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