Bug#699731: xserver-xorg-video-radeon: RandR extension disabled although nonfree-firmware is installed with RadeonX1200M
daenzer at debian.org
Mon Feb 4 01:27:56 PST 2013
On Mon, 2013-02-04 at 09:30 +0100, Andreas Glaeser wrote:
> The 'firmware-linux-nonfree' package was set up, which made DRI work and Gnome3 run
> in non-fallback mode, but RandR is still diabled (see below), so the resolution is 640x480
> and it cannot be changed using SystemSettings/Screen.
> 'aptitude show firmware-linux-nonfree' did not tell me clearly whether the package
> contains firmware for the hardware or not, maybe it is required for any RADEON-GPU.
It does, and it generally is for hardware acceleration.
> 'xserver-xorg-video-radeon' suggests 'firmware-linux', but probably this should at least
> be a recommendation or even a real dependency.
That is not allowed for packages in main.
> [ 596.213] (II) RADEON(0): Printing probed modes for output LVDS
> [ 596.213] (II) RADEON(0): Modeline "640x480"x60.0 25.20 640 648 744 800 480 482 484 525 -hsync -vsync (31.5 kHz eP) [ 596.213] (II) RADEON(0): Output DVI-0 connected
> [ 596.213] (II) RADEON(0): Output LVDS connected
Is this a laptop? The drivers are detecting an LVDS panel with 640x480
resolution, which I suspect is the source of your problems.
Does it help if you disable the LVDS/Laptop display or deselect 'Mirror
displays' in the GNOME display settings? If not, and if you don't ever
need the LVDS display, video=LVDS-1:d on the kernel commandline might
> [ 596.217] (II) RADEON(0): RandR 1.2 enabled, ignore the following RandR disabled
> [ 596.217] (--) RandR disabled
As you can see, RandR 1.2 is enabled, the second message is an artifact
of how RandR 1.2 support is initialized in the X server.
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Debian, X and DRI developer
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