![오류: 잠시 후 디스플레이를 열 수 없습니다: (null)](https://linux55.com/image/50062/%EC%98%A4%EB%A5%98%3A%20%EC%9E%A0%EC%8B%9C%20%ED%9B%84%20%EB%94%94%EC%8A%A4%ED%94%8C%EB%A0%88%EC%9D%B4%EB%A5%BC%20%EC%97%B4%20%EC%88%98%20%EC%97%86%EC%8A%B5%EB%8B%88%EB%8B%A4%3A%20(null).png)
그래픽 프로그램을 실행하려고 하면 일정 시간이 지나면 "디스플레이를 열 수 없습니다"라는 오류가 발생합니다.
예를 들어:
[shhdup@localhost ~]$ LANG=C xterm
No protocol specified
xterm: Xt error: Can't open display: :0
[shhdup@localhost ~]$ LANG=C xdotool getactivindiw
No protocol specified
Error: Can't open display: (null)
Segmentation fault (core dumped)
일부 시스템 정보:
Linux localhost.localdomain 3.10.6-2-ARCH #1 SMP PREEMPT Tue Aug 13 09:47:01 CEST 2013 x86_64 GNU/Linux
i3 version 4.6 (2013-08-07, branch "tags/4.6") © 2009-2013 Michael
Stapelberg and contributors
X.Org X Server 1.14.2
Release Date: 2013-06-25
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.9.7-1-ARCH x86_64
Current Operating System: Linux localhost.localdomain 3.10.6-2-ARCH #1 SMP PREEMPT Tue Aug 13 09:47:01 CEST 2013 x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=3bca1b94-7f18-4ec7-a589-e50f295db4fc rw quiet
Build Date: 01 July 2013 10:48:42AM
Current version of pixman: 0.30.2