On 15/08/17 09:19 AM, Attila Kinali wrote: > Hi, > > I got myself a Radeon RX550 and tried to get it working using OSS drivers > under linux. Unfortunately I was not successful. Despite what I tried, > which Howto I read, I always get the same error: (EE) No devices detected. > > I have read that other people have been using this very card with > OSS drivers, but I cannot figure out what they did differently > > I am running debian/testing, with kernel 4.12.7, amdgpu 1.3.0, mesa 17.1.5 > > I attached the relevant log files.
[...] > [ 10.640] (WW) xf86OpenConsole: setpgid failed: Operation not permitted > [ 10.640] (WW) xf86OpenConsole: setsid failed: Operation not permitted I wonder if these could be relevant? > [ 10.644] (II) [KMS] Kernel modesetting enabled. This message (with no following error messages from the driver) means that the amdgpu driver's probe hook succeeds and returns TRUE. > [ 10.648] (EE) No devices detected. > [ 10.648] (EE) > Fatal server error: > [ 10.648] (EE) no screens found(EE) So this looks like a Xorg bug. No idea offhand what's happening, somebody who can reproduce this needs to trace the code execution from amdgpu_kernel_mode_enabled returning TRUE to xf86BusConfig printing "No devices detected." to find out what goes wrong in between. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer _______________________________________________ xorg@lists.x.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: https://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s