Linux under Core file debugging

1,ulimit-a Viewing default parameters

2,ULIMIT-C 1024 Set the core file size, if more than 1024 blocks, will not produce a core file

Note: tune2fs-l/dev/sda8 output partition information, including block size, here is 4096

Program:

Compilation: g++-G test.cpp

3,

GDB--core=core (core file name)

Gdb-c Core

4,BT found no stack information, called File advertisement

5, call the BT output stack information again

The error occurs in line 8th of the program Fun () function, which references a null pointer.

Linux under Core file debugging