rtmpose use coco training error

[zhenhao-huang]

Prerequisite

• I have searched Issues and Discussions but cannot get the expected help.
• The bug has not been fixed in the latest version(https:/open-mmlab/mmpose).

Environment

python 3.8.10
mmcv 2.1.0
mmpose 1.3.2

Reproduces the problem - code sample

None

Reproduces the problem - command or script

python tools/train.py projects/rtmpose/rtmpose/body_2d_keypoint/rtmpose-m_8xb256-420e_coco-256x192.py

Reproduces the problem - error message

08/17 16:08:51 - mmengine - INFO - load backbone. in model from: https://download.openmmlab.com/mmpose/v1/projects/rtmposev1/cspnext-m_udp-aic-coco_210e-256x192-f2f7d6f6_20230130.pth
Loads checkpoint by http backend from path: https://download.openmmlab.com/mmpose/v1/projects/rtmposev1/cspnext-m_udp-aic-coco_210e-256x192-f2f7d6f6_20230130.pth
08/17 16:08:51 - mmengine - WARNING - "FileClient" will be deprecated in future. Please use io functions in https://mmengine.readthedocs.io/en/latest/api/fileio.html#file-io
08/17 16:08:51 - mmengine - WARNING - "HardDiskBackend" is the alias of "LocalBackend" and the former will be deprecated in future.
08/17 16:08:51 - mmengine - INFO - Checkpoints will be saved to /home/qdwl/Data2/hzh/pose/mmpose/mmpose/work_dirs/rtmpose-m_8xb256-420e_coco-256x192.
Traceback (most recent call last):
File "tools/train.py", line 162, in
main()
File "tools/train.py", line 158, in main
runner.train()
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/site-packages/mmengine/runner/runner.py", line 1777, in train
model = self.train_loop.run() # type: ignore
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/site-packages/mmengine/runner/loops.py", line 96, in run
self.run_epoch()
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/site-packages/mmengine/runner/loops.py", line 112, in run_epoch
for idx, data_batch in enumerate(self.dataloader):
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 521, in next
data = self._next_data()
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 1186, in _next_data
idx, data = self._get_data()
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 1152, in _get_data
success, data = self._try_get_data()
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/site-packages/torch/utils/data/dataloader.py", line 990, in _try_get_data
data = self._data_queue.get(timeout=timeout)
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/multiprocessing/queues.py", line 116, in get
return _ForkingPickler.loads(res)
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/site-packages/torch/multiprocessing/reductions.py", line 289, in rebuild_storage_fd
fd = df.detach()
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/multiprocessing/resource_sharer.py", line 58, in detach
return reduction.recv_handle(conn)
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/multiprocessing/reduction.py", line 189, in recv_handle
return recvfds(s, 1)[0]
File "/home/qdwl/anaconda3/envs/mmpose-1.x/lib/python3.8/multiprocessing/reduction.py", line 164, in recvfds
raise RuntimeError('received %d items of ancdata' %
RuntimeError: received 0 items of ancdata

Additional information

No response