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                                            dragonhaha

no kernel image is available for execution on the device atsrc/sigmoid_focal_loss_cuda.cu:128

Colab上的环境同样遇到了该问题，按照楼上朋友的方法依然没有解决。我把mmdet/ops/sigmoid_focal_loss/src/sigmoid_focal_loss.cpp以及mmdet/ops/sigmoid_focal_loss/src/sigmoid_focal_loss.cpp 全部改为了以下链接的内容，然后重新build mmdet，最后成功跑起来了。 [link](https://git.openi.org.cn/OpenI/MMDetection/commit/d67a2e16e4b6c91a3e15f5879e13c6b2e6f02423?style=split) 附环境： CUDA available: True CUDA_HOME: /usr/local/cuda NVCC: Build cuda_11.1.TC455_06.29190527_0 GPU 0: Tesla P100-PCIE-16GB GCC: gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0 PyTorch: 1.10.0+cu111 PyTorch compiling details: PyTorch built...