Comment 6 for bug 1294116

I have a radeon video card radeon with open source driver:
        description: VGA compatible controller
       produit: Whistler [Radeon HD 6630M/6650M/6750M/7670M/7690M]
       fabriquant: Advanced Micro Devices, Inc. [AMD/ATI]
       identifiant matériel: 0
       information bus: pci@0000:01:00.0
       version: 00
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm pciexpress msi vga_controller bus_master cap_list rom
       configuration: driver=radeon latency=0
       ressources: irq:49 mémoire:90000000-9fffffff mémoire:b0800000-b081ffff portE/S:2000(taille=256) mémoire:b0820000-b083ffff

Running on a macbook pro 8,2 (EFI mode)