linux-kernel - Re: [patch] suspend debugging: simulate suspend-to-RAM

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Message-Id: <200701311025.04244.ak@suse.de>
Date:	Wed, 31 Jan 2007 10:25:04 +0100
From:	Andi Kleen <ak@...e.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andrey Borzenkov <arvidjaar@...l.ru>, linux-kernel@...r.kernel.org,
	bk@...e.de
Subject: Re: [patch] suspend debugging: simulate suspend-to-RAM

On Wednesday 31 January 2007 10:12, Ingo Molnar wrote:
> 
> * Andi Kleen <ak@...e.de> wrote:
> 
> > Andrey Borzenkov <arvidjaar@...l.ru> writes:
> > 
> > > Will it work with netconsole too? COM port is often missing in notebooks
> > > today.
> > 
> > It will work with some luck with firescope (in the worst case you
> > might need to disable suspend in ochi1394). Many laptops have firewire
> > ports.
> > 
> > ftp://ftp.firstfloor.org/pub/ak/firescope/
> 
> wow, that's really neat!

To give proper credit firescope originally came from Ben Herrenschmidt
for PPC. I just ported it to x86 with a few changes.

BTW if you like firescope you might also like fireproxy
http://www.suse.de/~bk/firewire/

There's also a early ohci1394 driver in there to make
firescope/fireproxy work earlier during boot, but it's still somewhat
experimental.

-Andi
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