linux core dump debug

1.check core dump;

ulimit -c
or
ulimit -a

[email protected]:~$ ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 31156
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 31156
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

2.set

[email protected]:~$ ulimit -c unlimited
[email protected]-ubuntu:~$ ulimit -c
unlimited
[email protected]-ubuntu:~$ ulimit -c 1024
[email protected]-ubuntu:~$ ulimit -c
1024

$ulimit -c unlimited　　（只对当前shell进程有效）
或在~/.bashrc　的最后加入： ulimit -c unlimited （一劳永逸）

3.gdb with core

re:

1.https://www.cnblogs.com/bodhitree/p/5850212.html

原文地址：https://www.cnblogs.com/happyamyhope/p/9550638.html