【linux基础】core dump debug

1.check core dump;

ulimit -c
or
ulimit -a

nvidia@tegra-ubuntu:~$ ulimit -a
core file size          (blocks, -c)
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e)
file size               (blocks, -f) unlimited
pending signals                 (-i)
max locked memory       (kbytes, -l)
max memory size         (kbytes, -m) unlimited
open files                      (-n)
pipe size            ( bytes, -p)
POSIX message queues     (bytes, -q)
real-time priority              (-r)
stack size              (kbytes, -s)
cpu time               (seconds, -t) unlimited
max user processes              (-u)
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

2.set

nvidia@tegra-ubuntu:~$ ulimit -c unlimited
nvidia@tegra-ubuntu:~$ ulimit -c
unlimited
nvidia@tegra-ubuntu:~$ ulimit -c
nvidia@tegra-ubuntu:~$ ulimit -c

$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