Sudo rmmod nvidia_uvm & sudo modprobe nvidia_uvmĭl_fn->cuda_dl->cuInit(0) failed -> CUDA_ERROR_UNKNOWN: unknown errorĮdit2: edit1 was a red herring, cant recreate it. I've tried the nvidia headless drivers from 510-520 so far and all get the same result. The command run fines without the hardware acceleration and using libx264. | GPU GI CI PID Type Process name GPU Memory | | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. The GPU shows up correctly in nvidia-smi: Reinit context to 2560x1440, pix_fmt: yuv420p w:2560 h:1440 pixfmt:yuv420p tb:1/90000 fr:30/1 sar:0/1 Loaded Nvenc version 12.0 Nvenc initialized successfully 1 CUDA capable devices found dl_fn->cuda_dl->cuCtxCreate(&ctx->cu_context_internal, 0, cu_device) failed -> CUDA_ERROR_NOT_SUPPORTED: operation not supported No capable devices found Nvenc unloadedError initializing output stream 0:0 - Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height Statistics: 0 seeks, 0 writeoutsConversion failed! ![]() When i try this ffmpeg command:įfmpeg -hwaccel cuda -hwaccel_output_format cuda -f lavfi -i anullsrc -rtsp_transport tcp -thread_queue_size 4096 -i -vf -c:v h264_nvenc -pix_fmt yuv420p -b:v 9500k -maxrate 9500k -bufsize 9500k -f flv rtmp://a./live2/ I've got an ubuntu 22.04 vm with a quadro p400 passed through to it.
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