Traceback (most recent call last):


 "/usr/lib/python3.8/threading.py", line 932, in _bootstrap_inner

self.run()


 "/opt/frigate/frigate/video.py", line 180, in run

capture_frames(self.ffmpeg_process, self.name, self.frame_shape, self.frame_manager, self.frame_queue, self.take_frame,


 "/opt/frigate/frigate/video.py", line 130, in capture_frames

frame_bytes = ffmpeg_process.stdout.read(frame_size)
ValueError: PyMemoryView_FromBuffer(): info->buf must not be NULL

Traceback (most recent call last):


 "snrm_trainer.py", line 128, in <module>

main(hparams)


 "snrm_trainer.py", line 94, in main

trainer.fit(model)


 "/home/kyoungrok/anaconda3/envs/sigir/lib/python3.7/site-packages/pytorch_lightning/trainer/trainer.py", line 343, in fit

mp.spawn(self.ddp_train, nprocs=self.num_gpus, args=(model,))


 "/home/kyoungrok/anaconda3/envs/sigir/lib/python3.7/site-packages/torch/multiprocessing/spawn.py", line 162, in spawn

process.start()


 "/home/kyoungrok/anaconda3/envs/sigir/lib/python3.7/multiprocessing/process.py", line 112, in start

self._popen = self._Popen(self)


 "/home/kyoungrok/anaconda3/envs/sigir/lib/python3.7/multiprocessing/context.py", line 284, in _Popen

return Popen(process_obj)


 "/home/kyoungrok/anaconda3/envs/sigir/lib/python3.7/multiprocessing/popen_spawn_posix.py", line 32, in __init__

super().__init__(process_obj)


 "/home/kyoungrok/anaconda3/envs/sigir/lib/python3.7/multiprocessing/popen_fork.py", line 20, in __init__

self._launch(process_obj)


 "/home/kyoungrok/anaconda3/envs/sigir/lib/python3.7/multiprocessing/popen_spawn_posix.py", line 59, in _launch

cmd, self._fds)


 "/home/kyoungrok/anaconda3/envs/sigir/lib/python3.7/multiprocessing/util.py", line 432, in spawnv_passfds

False, False, None)
ValueError: bad value(s) in fds_to_keep
