environment problem

[eezhang123]

I follow the install.md step by step, there is something error about

ImportError: /root/mambaforge/envs/lidar/lib/python3.8/site-packages/mmcv/_ext.cpython-38-x86_64-linux-gnu.so: undefined symbol: Z27points_in_boxes_cpu_forwardN2at6TensorES0_S0
ERROR:torch.distributed.elastic.multiprocessing.api:failed (exitcode: 1) local_rank: 0 (pid: 197538) of binary: /root/mambaforge/envs/lidar/bin/python

Package Version

---

addict 2.4.0
contourpy 1.1.1
cycler 0.12.1
fonttools 4.47.0
importlib-metadata 7.0.1
importlib-resources 6.1.1
kiwisolver 1.4.5
matplotlib 3.7.4
mmcv-full 1.3.18
mmdet 2.14.0
mmdet3d 0.17.1
mmsegmentation 0.14.1
numpy 1.24.4
opencv-python 4.9.0.80
packaging 23.2
pillow 10.2.0
pip 23.3.1
platformdirs 4.1.0
prettytable 3.9.0
pycocotools 2.0.7
pyparsing 3.1.1
python-dateutil 2.8.2
PyYAML 6.0.1
setuptools 68.2.2
six 1.16.0
tensorboard 2.15.1
terminaltables 3.1.10
tomli 2.0.1
torch 1.9.1+cu111
torchaudio 0.9.1
torchvision 0.10.1+cu111
trimesh 2.35.39
typing_extensions 4.9.0
wcwidth 0.2.12
wheel 0.41.2
yapf 0.40.2
zipp 3.17.0

[Yilun Chen]

It should be mmcv compiling problems. Can you try mmcv-full==1.4.0? Perhaps you need to compile it in your own machine.
You can check my environment #8 (comment)