Date: Sun, 4 Jul 2010 19:19:26 -0400
From: Wakko Warner <wakko@animx.eu.org>
To: linux-kernel@vger.kernel.org
Subject: Re: Radeon KMS doesn't work.
Message-ID: <20100704231926.GA1780@animx.eu.org>
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Wakko Warner wrote:
> I have a Dell Inspiron 5100 with an ATI Radeon Mobility M7 (7500 R100
> PCI ID 1002:4c57 sub 1028:0149).
> 
> Immediately when radeon.ko is loaded, the screen goes blank (The backlight
> stays on).  I have fbcon compiled into the kernel (I also tried as module). 
> I am unable to get the screen to work again until I reboot.  The logs did
> not appear to have any errors after the module loaded.  The system was still
> responsive on the network.
> 
> I tried kernels 2.6.33 and 2.6.34.
> 
> I can provide kernel output if needed.

I need to add that if I use modeset=0, the screen does not blank.

Also 2.6.34 (with modeset=0) doesn't do 3D very well on this system.  Some
objects look ok, some are garbled, some do not appear at all.  The gears
from xscreensaver does not show up at all.

-- 
 Microsoft has beaten Volkswagen's world record.  Volkswagen only created 22
 million bugs.

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