InternNav 环境配置：Failed to build flash_attn解决办法

山野蓝莓酸奶昔2025-12-31 13:23

python 复制代码

# create a new isolated environment for model server
conda create -n <internnav> python=3.10 libxcb=1.14
conda activate <internnav>

# install PyTorch (CUDA 11.8)
pip install torch==2.5.1 torchvision==0.20.1 torchaudio==2.5.1 \
    --index-url https://download.pytorch.org/whl/cu118

# install InternNav with model dependencies
pip install -e .[model] --no-build-isolation

python 复制代码

running bdist_wheel
      Guessing wheel URL:  https://github.com/Dao-AILab/flash-attention/releases/download/v2.7.2.post1/flash_attn-2.7.2.post1+cu11torch2.5cxx11abiFALSE-cp310-cp310-linux_x86_64.whl
      error: Remote end closed connection without response
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for flash_attn
Successfully built internnav depth-camera-filtering
Failed to build flash_attn

install Internnav 的时候一直报flash_attn的错

解决办法：

python 复制代码

wget https://github.com/Dao-AILab/flash-attention/releases/download/v2.7.2.post1/flash_attn-2.7.2.post1+cu11torch2.5cxx11abiFALSE-cp310-cp310-linux_x86_64.whl

python 复制代码

pip install flash_attn-2.7.2.post1+cu11torch2.5cxx11abiFALSE-cp310-cp310-linux_x86_64.whl --no-build-isolation