On 2018-02-05 22:35, Krzysztof Marczak wrote: > Module loading mechanism seem to be working properly. > I have tested it as you described: > > $ sudo modprobe -r nvidia > $ lsmod | grep nvidia # there was no output > $ sudo nvidia-modprobe -u > $ lsmod | grep nvidia #returned folowing: > > nvidia_uvm 765952 0 > nvidia 13168640 1 nvidia_uvm > > It loaded nvidia_uvm as it should be. > After that I started sddm and tested OpenCL. It worked properly (like after > sudo clinfo). > So the problem is somewhere else.
There has been some progress made in #888952. Looks like a capability issue. Something new to try, no need to reboot or terminate X, we are just playing around with the nvidia_uvm module: $ sudo setcap cap_sys_module+ep /usr/bin/nvidia-modprobe $ sudo modprobe -r nvidia_uvm $ lsmod | grep nvidia_uvm # expect empty $ nvidia-modprobe -u # NO sudo! $ lsmod | grep nvidia_uvm # expect result Andreas