Here is a workaround : add the parameter on the command line of the kernel : radeon.dpm=0
Please patch these kernels (3.13 and later). See here : https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=748615 Regards -- Alain Rpnpif -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20140704181800.0c0785a2...@chro.home