linux-kernel - Re: [Linux-fbdev-devel] Fwd: [Suspend-devel] resume not working on acer ferrari 4005 with radeonfb enabled

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Date:	Sat, 11 Nov 2006 08:45:51 -0500
From:	Stuffed Crust <pizza@...ftnet.org>
To:	linux-fbdev-devel@...ts.sourceforge.net
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Christian.Hoffmann@...lstreetsystems.com,
	LKML <linux-kernel@...r.kernel.org>, Christian@...e.sisk.pl,
	Hoffmann@...ercik.sisk.pl
Subject: Re: [Linux-fbdev-devel] Fwd: [Suspend-devel] resume not working on acer ferrari 4005	with radeonfb enabled

On Sat, Nov 11, 2006 at 12:49:06PM +1100, Benjamin Herrenschmidt wrote:
> There are many possible reasons for that. The most likely is that the
> BIOS isn't bringing the chip back on resume, causing radeonfb to
> crash when trying to access it.

I have the same laptop, and it also crashes for me on resume when 
radeonfb is loaded.  However, it also crashes on a resume when radeonfb 
*isn't* loaded, so I hardly considered that a regression.  :)

> On Thu, Nov 09, 2006 at 07:50:17PM +0100, Christian Hoffmann wrote:
> > when I have radeonfb enabled, my laptop (X700 ati mobility) doesnt resume
> > anymore. Screen stays black and nothing works anymore, no capslock light, no
> > ctrl alt sysreq b etc. I tried all kind of things vbetool, passing
> > acpi_sleep=s3_bios,s3_mode to the kernel. Nothing seems to work.

...but it used to work?  Now that's interesting; this is the first 
report I've heard of a suspend-to-RAM (and subsequent resumes) working 
on that machine.

> > You can see dmesg output and lspci -vv output here 
> >  http://christianhoffmann.de/temp/radeon.log
> >  http://christianhoffmann.de/temp/lspci.log

Can you send the *full* bootup log, including the command lines you 
used?

I noticed that you have the 'radeon' drm module loading too; that may be 
causing problems.  Are you running X when you try to suspend/resume?

Also, since you're using a Ferarri 4000, are you using the stock 3A23 
BIOS/DSDT, or are you using the patched DSDT from http://acpi.sf.net?

 - Solomon
-- 
Solomon Peachy        		       pizza at shaftnet dot org	 
Melbourne, FL                          ^^ (mail/jabber/gtalk) ^^
Quidquid latine dictum sit, altum viditur.          ICQ: 1318344

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