看看官网的安装文档，是不是还不支持11.2呀

谢谢啦，最后摸索自己好了，cuda11.2是支持的，目前最高支持11.6.怀疑有两个可能原因：

1.我自己电脑cuda和cudnn版本不匹配，我重装了下cudnn，不过仍然报同样的错误；

2.未将cudnnn引入系统环境变量中

最后网上找了很多方法试了试，都不行，最后重启后，在加载，竟然好了，不知道是之前那种方法解决了

牛哇

Please NOTE: device: 0, GPU Compute Capability: 6.1, Driver API Version: 11.7, Runtime API Version: 11.2
 device: 0, cuDNN Version: 8.2.
Traceback (most recent call last):

File "D:\Users\Administrator\anaconda3\envs\paddle\lib\code.py", line 90, in runcode
exec(code, self.locals)
File "", line 1, in
File "D:\Users\Administrator\anaconda3\envs\paddle\lib\site-packages\paddle\utils\install_check.py", line 270, in run_check
_run_dygraph_single(use_cuda, use_xpu, use_npu)
File "D:\Users\Administrator\anaconda3\envs\paddle\lib\site-packages\paddle\utils\install_check.py", line 136, in _run_dygraph_single
linear_out = linear(input_tensor)
File "D:\Users\Administrator\anaconda3\envs\paddle\lib\site-packages\paddle\fluid\dygraph\layers.py", line 948, in __call__
return self.forward(*inputs, **kwargs)
File "D:\Users\Administrator\anaconda3\envs\paddle\lib\site-packages\paddle\nn\layer\common.py", line 175, in forward
out = F.linear(
File "D:\Users\Administrator\anaconda3\envs\paddle\lib\site-packages\paddle\nn\functional\common.py", line 1882, in linear
return _C_ops.linear(x, weight, bias)
OSError: Invalid enum backend type `63`.
[..\paddle/phi/common/backend.h:140]

我的paddle是2.4.0

print(paddle.__version__)
2.4.0

这是棘突