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洛辉
deepin
2020-12-29 05:09 deepin 可以在源里安装440驱动，终端里搜 apt list nvidia-driver*,看看你要装的，安装就好
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lilianjiang
deepin
2020-12-29 05:11 deepin 洛辉：
可以在源里安装440驱动，终端里搜 apt list nvidia-driver*,看看你要装的，安装就好
哦 我试试哈 ，感谢感谢哈
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lcw0268
deepin
2020-12-29 06:02 deepin lilianjiang：
哦 我试试哈 ，感谢感谢哈
nvidia的cuda好像很大。
楼主试试安装nvidia-cuda-dev看看？
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gd0668
deepin
2020-12-29 18:12 deepin 大黄蜂默认是最新的驱动吗
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lilianjiang deepin
2020-12-30 05:53 deepin lcw0268：
nvidia的cuda好像很大。
楼主试试安装nvidia-cuda-dev看看？
感谢感谢哈 我试试哈
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lilianjiang deepin
2020-12-30 05:54 deepin gd0668：
大黄蜂默认是最新的驱动吗
装系统的时候，可以选择集成闭源驱动，440-100 都很好用，后来自动升级了，变成450 然后 就不好用了
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毛毛虫 deepin
2021-01-27 16:39 deepin Text.
楼主，我和你有同样的问题，显卡驱动正常，cuda11安装正常，就是在pytorch里找不到设备，440和10.2的时候一切正常，如有解决方案请告知，谢谢！
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问题描述：
/home/lilianjiang/anaconda3/envs/pt3.8/lib/python3.8/site-packages/torch/cuda/__init__.py:52: UserWarning: CUDA initialization: CUDA unknown error - this may be due to an incorrectly set up environment, e.g. changing env variable CUDA_VISIBLE_DEVICES after program start. Setting the available devices to be zero. (Triggered internally at /opt/conda/conda-bld/pytorch_1607370172916/work/c10/cuda/CUDAFunctions.cpp:100.)
return torch._C._cuda_getDeviceCount() > 0
显卡驱动如下：
Mon Dec 28 20:53:57 2020
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 450.66 Driver Version: 450.66 CUDA Version: 11.0 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|===============================+======================+======================|
| 0 GeForce RTX 2080 Off | 00000000:01:00.0 On | N/A |
| 0% 46C P8 16W / 225W | 330MiB / 7981MiB | 17% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 3417 G /usr/lib/xorg/Xorg 191MiB |
| 0 N/A N/A 4172 G kwin_x11 67MiB |
| 0 N/A N/A 4801 G .../files/bin/baidu-qimpanel 51MiB |
| 0 N/A N/A 13031 G ...cent\WeChat\WeChatApp.exe 14MiB |
+-----------------------------------------------------------------------------+
原来显卡驱动 440的时候，cuda 10.2 pytorch是能工作的。但是，显卡升级到450后续就不能工作了
麻烦大家指导一下