Thanks to loqs, there is a patch for driver 435.21 and kernel 5.4-rc, at http://ix.io/1MRE . I have tested this with 5.4-rc2, and it now compiles successfully: ………………………………. WARNING: module nvidia uses symbol filp_open from namespace /NVIDIA-Linux-x86_64-435.21-54rc2/kernel/nvidia-drm/nvidia-drm-gem-user-memory.o: $(deps_/home/rgadsdon/kernel/NVIDIA-Linux-x86_64-435.21-54rc2/kernel/nvidia-drm/nvidia-drm-gem-user-memory.o), but does not import it. WARNING: module nvidia uses symbol cpufreq_get from namespace VIDIA-Linux-x86_64-435.21-54rc2/kernel/nvidia-drm/nvidia-drm-gem-user-memory.o: $(deps_/home/rgadsdon/kernel/NVIDIA-Linux-x86_64-435.21-54rc2/kernel/nvidia-drm/nvidia-drm-gem-user-memory.o), but does not import … Continue reading →