RE: Fwd: [Suspend-devel] resume not working on acer ferrari 4005 with radeonfb enabled

["Christian Hoffmann" <Christian.Hoffmann@wallstreetsystems.com>]

-----Original Message-----
From: Andrew Morton [mailto:akpm@osdl.org] 
Sent: Saturday, November 11, 2006 3:03 AM
To: Benjamin Herrenschmidt; Solomon Peachy
Cc: Rafael J. Wysocki; linux-fbdev-devel@lists.sourceforge.net; LKML;
Christian@ogre.sisk.pl; Hoffmann@albercik.sisk.pl; Christian Hoffmann
Subject: Re: Fwd: [Suspend-devel] resume not working on acer ferrari
4005 with radeonfb enabled

On Sat, 11 Nov 2006 12:49:06 +1100
Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:

> On Sat, 2006-11-11 at 00:31 +0100, Rafael J. Wysocki wrote:
> > Hi,
> > 
> > We've just got the appended report.  Could you please have a look at
this?
> 
> 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 assume from this:

> > Greetings,
> > Rafael
> > 
> > 
> > ----------  Forwarded Message  ----------
> > 
> > Subject: [Suspend-devel] resume not working on acer ferrari 4005
with radeonfb enabled
> > Date: Friday, 10 November 2006 20:44
> > From: "Christian Hoffmann"
<Christian.Hoffmann@wallstreetsystems.com>
> > To: suspend-devel@lists.sourceforge.net
> > 
> > Hello,
> >  
> > when I have radeonfb enabled, my laptop (X700 ati mobility) doesnt
resume
> > anymore. Screen stays black and nothing works anymore, no capslock
light, no
    ^^^^^^^

>that it's a regression, from some unknown-previous-kernel-version.



> > 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.
> >  
> > You can see dmesg output and lspci -vv output here 
> >  http://christianhoffmann.de/temp/radeon.log
> >  http://christianhoffmann.de/temp/lspci.log
> >  
> > Thanks a lot for any input.
> >  
> > Chris
> >  
> > PS: I use kernel 2.18.1 + patch for radeonfb from
> > http://bugzilla.kernel.org/attachment.cgi?id=9408&action=view

>That's http://www.shaftnet.org/~pizza/radeonfb-atom-2.6.18-v6a.diff.

>What happens when that patch isn't applied?


Then the radeonfb doesn't kick in at all (guess some pci ids are added
in that patch).

BTW: resume/suspend works ok if I have the vesa fb enabled.

Chris






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