xstart 접속 문제 [5]

다음과 같은 로그를 보여주면서 접속이 안됩니다.
X11 포워딩도 성공했는데 왜 안되는지 모르겠습니다.
해결 방법을 알려주시기 바랍니다.
환경은 CentOS입니다.

[16:45:56] 'xxx.xxx.xxx.xxx'로 연결 중...
[16:45:56] Connected.
[16:45:56] Version exchange initiated...
[16:45:56] server: SSH-1.99-OpenSSH_3.9p1
[16:45:56] client: SSH-2.0-libssh_1.2.1.3 1767 NetSarang Computer, Inc.
[16:45:56] SSH2 is selected.
[16:45:56] Algorithm negotiation initiated...
[16:45:56] key exchange: diffie-hellman-group1-sha1
[16:45:56] host key: ssh-dss
[16:45:56] outgoing encryption: aes128-cbc
[16:45:56] incoming encryption: aes128-cbc
[16:45:56] outgoing mac: hmac-sha1
[16:45:56] incoming mac: hmac-sha1
[16:45:56] outgoing compression: none
[16:45:56] incoming compression: none
[16:45:57] Host authentication initiated...
[16:45:57] Hostkey fingerprint:
[16:45:57] ssh-dsa 1024 d7:85:2f:2c:ac:96:16:55:bb:bb:80:bc:92:30:4b:9c
[16:45:58] Accepted. Verifying host key...
[16:45:58] Verified.
[16:45:58] User authentication initiated...
[16:45:58] Sent user name 'root'.
[16:45:58] Sent password.
[16:45:58] Access granted.
[16:45:58] X11 포워딩을 요청했습니다...
[16:45:58] 성공.
[16:45:58] 실행명령을 보냈습니다.
[16:45:58] /usr/X11R6/bin/xterm -ls -display $DISPLAY
[16:45:58] Start timer (TIMER_SHUTDOWN, 180).
Warning: This program is an suid-root program or is being run by the root user.
The full text of the error or warning message cannot be safely formatted
in this environment. You may get a more descriptive message by running the
program as a non-root user or by removing the suid bit on the executable.
/usr/X11R6/bin/xterm Xt error: Can't open d[16:48:58] Stop timer (TIMER_SHUTDOWN).
[16:48:58] Connection closed.
isplay: %s
[16:46:04] XLT: GOT EOF [0]
[16:46:04] XLT: SENT CLOSE [GOT EOF][0]
[16:46:04] XLT: GOT CLOSE [0]

Can't open display: %s는 xterm 프로그램의 퍼미션에 무슨 문제가 있는 경우에 그럴거에요~xterm 프로그램 퍼미션 한번 확인해보세요~
root로 chmod 755 /usr/X11R6/bin/xterm 해 보세요.