你好，我在nohub训练模型的时候卡住

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在执行python3 train_model.py 可以正常执行，在执行 nohub python3 train_model.py &就卡在cpu那里 `[root@instance-4 cnn_captcha-master]# nohup: ignoring input and appending output to ‘nohup.out’

[root@instance-4 cnn_captcha-master]# tail -f nohup.out WARNING:tensorflow:From /usr/lib/python3.6/site-packages/tensorflow/contrib/learn/python/learn/datasets/base.py:198: retry (from tensorflow.contrib.learn.python.learn.datasets.base) is deprecated and will be removed in a future version. Instructions for updating: Use the retry module or similar alternatives. 2019-07-10 02:49:42.964796: I tensorflow/core/platform/cpu_feature_guard.cc:140] Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX2 FMA ^C `