Created by: junjun315

-Ubuntu 18.04+python3.6.7 下 使用paddle跑模型mnist读取数据时报段错误

• 版本、环境信息：    1）PaddlePaddle版本：1.1,1.2    2）CPU：-    3）GPU：-    4）系统环境：Ubuntu1804、Ubuntu1604，CentOS7，Python3（3.5.1,3.6.7,3.7.0）
• 模型信息    1）模型名称 models项目中的mnist模型
• 复现信息： models/fluid/mnist python3.6 model.py --batch_size 128 --pass_num 5 --device CPU
• 问题描述： 运行至reader阶段报错

* Aborted at 1544089502 (unix time) try "date -d @1544089502" if you are using GNU date *

PC: @ 0x0 (unknown)

* SIGSEGV (@0x50) received by PID 182 (TID 0x7f5a294d0700) from PID 80; stack trace: *

@ 0x7f5a290aa390 (unknown) @ 0x7f5a292c273c (unknown) @ 0x7f5a292cb851 (unknown) @ 0x7f5a292c6564 (unknown) @ 0x7f5a292cada9 (unknown) @ 0x7f5a282bf5ad (unknown) @ 0x7f5a292c6564 (unknown) @ 0x7f5a282bf664 __libc_dlopen_mode @ 0x7f5a28291a85 (unknown) @ 0x7f5a290a7a99 __pthread_once_slow @ 0x7f5a28291ba4 backtrace @ 0x7f5a27dff5f3 check_callers.part.0 @ 0x7f5a27dffb20 try_binary_elide @ 0x7f5a27de794b array_multiply @ 0x4e6c82 PyNumber_Multiply @ 0x57403d _PyEval_EvalFrameDefault @ 0x4f1b93 (unknown) @ 0x5732d0 _PyEval_EvalFrameDefault @ 0x4f1b93 (unknown) @ 0x5e2e1f (unknown) @ 0x5732d0 _PyEval_EvalFrameDefault @ 0x57b7fd (unknown) @ 0x57a7bc (unknown) @ 0x5730bf _PyEval_EvalFrameDefault @ 0x572147 (unknown) @ 0x571ec3 PyEval_EvalCode @ 0x5e63a2 (unknown) @ 0x5e680a PyRun_FileExFlags @ 0x5e65c7 PyRun_SimpleFileExFlags @ 0x5ebae3 Py_Main @ 0x4d1ae9 main @ 0x7f5a2819c830 __libc_start_main Segmentation fault