File "train.py", line 198, in
main()
File "train.py", line 170, in main
merge_all_iters_to_one_epoch=args.merge_all_iters_to_one_epoch
File "/data-input/3DSSD-pytorch-openPCDet/tools/train_utils/train_utils.py", line 93, in train_model
dataloader_iter=dataloader_iter
File "/data-input/3DSSD-pytorch-openPCDet/tools/train_utils/train_utils.py", line 40, in train_one_epoch
loss.backward()
File "/opt/conda/lib/python3.7/site-packages/torch/tensor.py", line 166, in backward
torch.autograd.backward(self, gradient, retain_graph, create_graph)
File "/opt/conda/lib/python3.7/site-packages/torch/autograd/init.py", line 99, in backward
allow_unreachable=True) # allow_unreachable flag
RuntimeError: Expected isFloatingType(grads[i].type().scalarType()) to be true, but got false. (Could this error message be improved? If so, please report an enhancement request to PyTorch.)
File "train.py", line 198, in
main()
File "train.py", line 170, in main
merge_all_iters_to_one_epoch=args.merge_all_iters_to_one_epoch
File "/data-input/3DSSD-pytorch-openPCDet/tools/train_utils/train_utils.py", line 93, in train_model
dataloader_iter=dataloader_iter
File "/data-input/3DSSD-pytorch-openPCDet/tools/train_utils/train_utils.py", line 40, in train_one_epoch
loss.backward()
File "/opt/conda/lib/python3.7/site-packages/torch/tensor.py", line 166, in backward
torch.autograd.backward(self, gradient, retain_graph, create_graph)
File "/opt/conda/lib/python3.7/site-packages/torch/autograd/init.py", line 99, in backward
allow_unreachable=True) # allow_unreachable flag
RuntimeError: Expected isFloatingType(grads[i].type().scalarType()) to be true, but got false. (Could this error message be improved? If so, please report an enhancement request to PyTorch.)
python = 3.7 pytorch = 1.3.1 cuda = 10.0.130 cudnn = 7.6.3 spconv = 1.2.1