我是ubuntu系统。下载好mnist数据后,在转换为LMDB时出现问题。
运行指令:sudo sh examples/mnist/create_mnist.sh
出现这样的问题:*** Error in `build/examples/mnist/convert_mnist_data.bin': munmap_chunk(): invalid pointer: 0x0000000000fc6240 ***
去检查./examples/mnist/目录下,本应生成train和test两个文件夹,此时只有train而没有test。
从网上搜索发现大家都没出现这样的问题,出现这个问题都是在自己编写程序时指针声明和释放出错,但是这里为什么会报错呢。对于这样的错误怎么解决呢?
完整的信息如下:
Creating lmdb...
I1113 15:57:00.470358 4735 db_lmdb.cpp:35] Opened lmdb examples/mnist/mnist_train_lmdb
I1113 15:57:00.470620 4735 convert_mnist_data.cpp:88] A total of 60000 items.
I1113 15:57:00.470633 4735 convert_mnist_data.cpp:89] Rows: 28 Cols: 28
I1113 15:57:07.320497 4735 convert_mnist_data.cpp:108] Processed 60000 files.
*** Error in `build/examples/mnist/convert_mnist_data.bin': munmap_chunk(): invalid pointer: 0x0000000000fc6240 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f06569327e5]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x1a8)[0x7f065693f698]
/usr/lib/x86_64-linux-gnu/libprotobuf.so.9(_ZN6google8protobuf8internal28DestroyDefaultRepeatedFieldsEv+0x1f)[0x7f066094d8af]
/usr/lib/x86_64-linux-gnu/libprotobuf.so.9(_ZN6google8protobuf23ShutdownProtobufLibraryEv+0x8b)[0x7f066094cb3b]
/usr/lib/x86_64-linux-gnu/libmirprotobuf.so.3(+0x233b9)[0x7f062efc23b9]
/lib64/ld-linux-x86-64.so.2(+0x10de7)[0x7f0667226de7]
/lib/x86_64-linux-gnu/libc.so.6(+0x39ff8)[0x7f06568f4ff8]
/lib/x86_64-linux-gnu/libc.so.6(+0x3a045)[0x7f06568f5045]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf7)[0x7f06568db837]
build/examples/mnist/convert_mnist_data.bin[0x4025b9]