下一步要研究的是
1 为何下午调用该命令的时候会出现崩溃现象
I had that problem, with the same output. It's about the samba parser (python)
I have checked my smb.conf in /etc/samba and I found that I had a section duplicated (it was printers). I think system-config-samba crashes when there are two or more sections with the same name.
When I removed the section duplicated, I was able to start system-config-samba without any problem.
I know your post was written several months ago, but I found it when I was searching for solutions, so I tell you my experience if it could be useful. Your problem could be the same or not.