kdump load fail

[inspurSDN]

Root Cause:
    1. Cannot change symbolic links when kdump is loaded

Solution:
    1.if kdump is already enabled and crash_kernel_mem is configurated, kdump should not be reload again before unload

What I did

How I did it

How to verify it

Previous command output (if the output of a command-line utility has changed)

New command output (if the output of a command-line utility has changed)