• 使用Docker GPU训练环境安装过程中所碰到的问题


    输入下条命令,查看你的显卡驱动所使用的内核版本

    cat /proc/driver/nvidia/version

    输入下条命令,查看电脑驱动

    cat /var/log/dpkg.log | grep nvidia

    输入下条命令,查看电脑所有驱动

    sudo dpkg --list | grep nvidia-*

    问题1:

    root@4f80b64fe9f6:/# nvidia-smi

    Failed to initialize NVML: Unknown Error

    进入Docker

    sudo docker run --gpus all -it ubuntu18_torch1.6:v0.3

    需要加入--gpus all

    问题2:

    安装好nvidia-docker,nvidia-driver,cuda,cudnn, 以及pytorch_cuda版后在docker中输入torch.cuda.is_available(),返回False

    解决方法:

    sudo docker run --gpus all -it [-e NVIDIA_DRIVER_CAPABILITIES=compute,utility -e NVIDIA_VISIBLE_DEVICES=all]

    需要加入:-e NVIDIA_DRIVER_CAPABILITIES=compute,utility -e NVIDIA_VISIBLE_DEVICES=all

    问题3:

    使用pycharm运行pytorch工程代码,出现问题:RuntimeError:Not compiled with GPU support

    解决方法:

    删除benchmark中整个build文件夹,重新编译lib包:在根目录下运行:python setup.py build develop

    编译好后,记得保存下镜像:

    sudo docker commit -a "comment" contain_id image_name:image_tag

    然后在pycharm中重新配置新的docker镜像即可

    问题4:打开Pycharm2020.3版,在Settings里Build,Execution,Deployment里设置Docker时,出现Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

    docker与守护进程间的通讯问题

    解决方法:

    在命令行里输入
    sudo chown *your-username* /var/run/docker.sock   # *your-username*为主机名:igs

    问题5:在docker里运行工程代码时,报错:RuntimeError: Unrecognized tensor type ID: AutogradCUDA

    原因:编译工程包时,使用了pytorch1.6+torchvision0.7,而在编译完后,更新了pytorch1.7+torchvision0.8

    解决方法:重新编译工程,python setup.py build develop

    问题6:在docker中升级pytorch:pip install pytorch1.7.1-***.whl

      无法成功,提示超时,然后报错

    解决方法:加上--no-deps

      pip install --no-deps pytorch1.7.1-***.whl

    问题7:在多GPU环境下,配置NUM_WORKER 为2,直接报错

    export NGPUS=2

    python -m torch.distributed.launch --nproc_per_node=NGPUS ../../tools/training/train.py

    Traceback (most recent call last):
      File "train.py", line 159, in <module>
        train(args=args)
      File "train.py", line 50, in train
        rank = args.local_rank
      File "/home/wby/anaconda3/envs/wby/lib/python3.8/site-packages/torch/distributed/distributed_c10d.py", line 400, in init_process_group
        store, rank, world_size = next(rendezvous(url))
      File "/home/wby/anaconda3/envs/wby/lib/python3.8/site-packages/torch/distributed/rendezvous.py", line 95, in _tcp_rendezvous_handler
        store = TCPStore(result.hostname, result.port, world_size, start_daemon)
    RuntimeError: Address already in use

    问题在于,TCP的端口被占用

    解决方法一:

    运行程序的同时指定端口,端口号随意给出:

    --master_port 29501 (端口号)
    python train.py --master_port 29501

    决方法二:

    查找占用的端口号(在程序里 插入print输出),然后找到该端口号对应的PID值:netstat -nltp,然后通过kill -9 PID来解除对该端口的占用

    问题8:no implementation found for {} on types that implement

    if box1 == torch.Tensor:
        box1=box1.cpu().numpy()

    修改为:

    if type(box1) == torch.Tensor:
        box1=box1.cpu().numpy()

    问题9:cant convert cuda:0 device type tenhsor to numpy

    lt=np.maximum(box1[:,None,:2],box2[:,:2])

    修改为:

    if type(box1) == torch.Tensor:
        box1=box1.cpu().numpy()
    if type(box2) == torch.Tensor:
        box2=box2.cpu().numpy()

    问题10:Docker训练单GPU时,可正常收敛,但采用多GPU训练时却无法收敛

    参考链接:

    NVIDIA Docker CUDA容器化原理分析

    https://cloud.tencent.com/developer/article/1496697

     
    人生,从没有一劳永逸 想要变强,只有不停奔跑
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  • 原文地址:https://www.cnblogs.com/jimchen1218/p/14452341.html
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