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ImportError: undefined symbol #1921

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1911cty opened this issue Dec 3, 2024 · 2 comments
Open

ImportError: undefined symbol #1921

1911cty opened this issue Dec 3, 2024 · 2 comments

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@1911cty
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1911cty commented Dec 3, 2024 •
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Hi!
I followed the instructions in install.md to install pytorch3D, but when I did

from pytorch3d import _C

, I encountered a strange error.

ImportError: /.../envs/pytorch3d/lib/python3.8/site-packages/pytorch3d-0.7.8-py3.8-linux-x86_64.egg/pytorch3d/_C.cpython-38-x86_64-linux-gnu.so: undefined symbol: _ZNSt15__exception_ptr13exception_ptr9_M_addrefEv

Ubuntu22.04, python 3.8, cuda=12.4, torch=2.1.0
I dont know where i did wrong :(
Hope can have your reply.
@Jianyi2004
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I meet the same problem,have you solved it?Thanks.

@bottler
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bottler commented Jan 14, 2025

Is pytorch3d itself working?

_C is a private part of pytorch3d which does not claim to be separately importable. If you specifically need it, did you run import torch first?

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@bottler @1911cty @Jianyi2004