Created by: chaoswong1981

• 版本、环境信息：    1）PaddlePaddle版本：1.6.1    2）GPU：NVIDIA Geforce GTX 1660 Ti, CUDA 10.0.130, cuDNN 7.6    4）系统环境：Windows 10, Python 3.7.5 64bit

• 训练信息    1）单机    2）显存信息    3）使用PaddleDetection的Yolov3模型

• 复现信息：

• 问题描述： 开始训练后不久就会出现卡死现象，训练步数不定，有时几百步，有时几千就会卡死不动。

Thank you for contributing to PaddlePaddle. Before submitting the issue, you could search issue in the github in case that there was a similar issue submitted or resolved before. If there is no solution,please make sure that this is a training issue including the following details: System information -PaddlePaddle version （eg.1.1）or CommitID -CPU: including CPUMKL/OpenBlas/MKLDNN version -GPU: including CUDA/CUDNN version -OS Platform (eg.Mac OS 10.14) -Other imformation: Distriuted training/informantion of operator/ Graphics card storage To Reproduce Steps to reproduce the behavior Describe your current behavior Code to reproduce the issue Other info / logs