Traceback (most recent call last):
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/ultralytics/engine/model.py", line 802, in train
self.trainer.train()
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/ultralytics/engine/trainer.py", line 207, in train
self._do_train(world_size)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/ultralytics/engine/trainer.py", line 361, in _do_train
self.train_loader.reset()
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/ultralytics/data/build.py", line 56, in reset
self.iterator = self._get_iterator()
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 388, in _get_iterator
return _MultiProcessingDataLoaderIter(self)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 1038, in __init__
w.start()
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/process.py", line 121, in start
self._popen = self._Popen(self)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/context.py", line 224, in _Popen
return _default_context.get_context().Process._Popen(process_obj)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/context.py", line 277, in _Popen
return Popen(process_obj)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/popen_fork.py", line 19, in __init__
self._launch(process_obj)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/popen_fork.py", line 68, in _launch
parent_r, child_w = os.pipe()
OSError: [Errno 24] Too many open files
Exception in thread Thread-3:
Traceback (most recent call last):
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/threading.py", line 932, in _bootstrap_inner
Exception in thread Thread-4:
Traceback (most recent call last):
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/threading.py", line 932, in _bootstrap_inner
self.run()
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/threading.py", line 870, in run
self.run()
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/threading.py", line 870, in run
self._target(*self._args, **self._kwargs)
self._target(*self._args, **self._kwargs)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/torch/utils/data/_utils/pin_memory.py", line 55, in _pin_memory_loop
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/torch/utils/data/_utils/pin_memory.py", line 55, in _pin_memory_loop
do_one_step()
do_one_step()
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/torch/utils/data/_utils/pin_memory.py", line 32, in do_one_step
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/torch/utils/data/_utils/pin_memory.py", line 32, in do_one_step
r = in_queue.get(timeout=MP_STATUS_CHECK_INTERVAL)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/queues.py", line 116, in get
r = in_queue.get(timeout=MP_STATUS_CHECK_INTERVAL)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/queues.py", line 116, in get
return _ForkingPickler.loads(res)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/torch/multiprocessing/reductions.py", line 496, in rebuild_storage_fd
return _ForkingPickler.loads(res)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/site-packages/torch/multiprocessing/reductions.py", line 496, in rebuild_storage_fd
fd = df.detach()
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/resource_sharer.py", line 57, in detach
fd = df.detach()
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/resource_sharer.py", line 57, in detach
with _resource_sharer.get_connection(self._id) as conn:
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/resource_sharer.py", line 87, in get_connection
with _resource_sharer.get_connection(self._id) as conn:
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/resource_sharer.py", line 87, in get_connection
c = Client(address, authkey=process.current_process().authkey)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/connection.py", line 502, in Client
c = Client(address, authkey=process.current_process().authkey)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/connection.py", line 508, in Client
answer_challenge(c, authkey)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/connection.py", line 752, in answer_challenge
c = SocketClient(address)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/connection.py", line 630, in SocketClient
message = connection.recv_bytes(256) # reject large message
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/connection.py", line 216, in recv_bytes
s.connect(address)
buf = self._recv_bytes(maxlength)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/connection.py", line 414, in _recv_bytes
ConnectionRefusedError: [Errno 111] Connection refused
buf = self._recv(4)
File "/home/dell/anaconda3/envs/ultralytics/lib/python3.8/multiprocessing/connection.py", line 379, in _recv
chunk = read(handle, remaining)
ConnectionResetError: [Errno 104] Connection reset by peer
解决办法
增加系统打开文件限制
默认情况下，操作系统对每个进程可以打开的文件数有一个限制。你可以通过增加这个限制来防止错误。
使用以下命令检查当前文件描述符限制：
ulimit -n
然后可以增加文件描述符的限制：
ulimit -n 4096 # 将限制增加到 4096 或更高
如果你希望每次开机都生效，可以将此命令添加到你的 shell 配置文件（如 .bashrc 或 .zshrc）中：
ulimit -n 4096