linux-kernel - Re: [PATCH 0/4] Fix forcedeth hibernate/wake-on-lan problems

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Message-Id: <200805210039.37248.rjw@sisk.pl>
Date:	Wed, 21 May 2008 00:39:36 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Tobias Diedrich <ranma+kernel@...edrich.de>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Ayaz Abdulla <aabdulla@...dia.com>,
	Stephen Hemminger <shemminger@...ux-foundation.org>
Subject: Re: [PATCH 0/4] Fix forcedeth hibernate/wake-on-lan problems

On Sunday, 18 of May 2008, Tobias Diedrich wrote:
> Tobias Diedrich wrote:
> > Note that so far this is only tested on my system with hibernate
> > using the 'shutdown' method.
> 
> Ok, I've run tests now:
> 
> First Windoze:
> Windoze, Standby (equiv. to Linux 'mem' state):  WOL borked, resumes fine
> Windoze, Hibernate: WOL borked, resumes fine
> 
> Linux, unpatched:
> Hibernate, shutdown method: Works with known caveats
> Hibernate, platform method: WOL borked,

That may be worth some investigation.  However, since that doesn't work on
Windows too, I suspect the platform is slightly broken.

> resumes fine 
> 
> Linux, patched:
> Hibernate, shutdown method: Works
> Hibernate, platform method: WOL borked, resumes fine
> Suspend ('standby' state):
>    WOL borked, USB borked after resume, kernel freeze
> Suspend ('mem' state, text console):
>    WOL borked, VGA stays dark, otherwise working

You can try s2ram to bring the VGA to life, I think
(http://suspend.sf.net/s2ram-support.html).

> Suspend ('mem' state, radeonfb):
>    WOL borked, VGA stays dark, userspace dead after resume (but pingable)
> 
> Summary: I suspect my BIOS sucks

That's possible ...

>         Version: ASUS M2N-SLI DELUXE ACPI BIOS Revision 0903
>         Release Date: 02/13/2007
> 
> 1 point for Linux, 0 points for Windows, Linux wins ;)

Thanks,
Rafael
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