我们有一台安装了 Gnome 2.28.2 的 CentOS 6.7 服务器,不允许用户切换会话。
用户可以登录并点击菜单上的“切换用户”选项(或“锁定屏幕”)。锁定屏幕会显示切换用户、取消和解锁选项,但当我们点击切换用户时,屏幕会变黑,然后返回到相同的锁定屏幕。
我们尝试过禁用登录屏幕上的用户列表,但没有效果。禁用切换用户选项不是一个选项,也不意味着没有密码的用户。
我们没有主意了,非常感谢任何帮助!
谢谢。
更新
这是我从 /var/log/Xorg.0.log(唯一写入的文件)获得的最新输出
[ 77188.044] AUDIT: Mon Nov 16 20:10:39 2015: 5849: client 34 connected from local host ( uid=506 gid=506 pid=9408 )
Auth name: MIT-MAGIC-COOKIE-1 ID: 292
[ 77188.045] AUDIT: Mon Nov 16 20:10:39 2015: 5849: client 35 connected from local host ( uid=506 gid=506 pid=9403 )
Auth name: MIT-MAGIC-COOKIE-1 ID: 292
[ 77188.053] AUDIT: Mon Nov 16 20:10:39 2015: 5849: client 34 disconnected
[ 77188.111] (II) NOUVEAU(0): EDID vendor "GSM", prod id 22744
[ 77188.112] (II) NOUVEAU(0): Using hsync ranges from config file
[ 77188.112] (II) NOUVEAU(0): Using vrefresh ranges from config file
[ 77188.112] (II) NOUVEAU(0): Printing DDC gathered Modelines:
[ 77188.112] (II) NOUVEAU(0): Modeline "1920x1080"x0.0 148.50 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.5 kHz eP)
[ 77188.112] (II) NOUVEAU(0): Modeline "800x600"x0.0 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "800x600"x0.0 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "640x480"x0.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "640x480"x0.0 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "720x400"x0.0 28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "1280x1024"x0.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "1024x768"x0.0 78.75 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "1024x768"x0.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "832x624"x0.0 57.28 832 864 928 1152 624 625 628 667 -hsync -vsync (49.7 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "800x600"x0.0 49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "1152x864"x0.0 108.00 1152 1216 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz e)
[ 77188.112] (II) NOUVEAU(0): Modeline "1680x1050"x0.0 146.25 1680 1784 1960 2240 1050 1053 1059 1089 -hsync +vsync (65.3 kHz e)
[ 77188.113] (II) NOUVEAU(0): Modeline "1280x1024"x0.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[ 77188.113] (II) NOUVEAU(0): Modeline "1280x960"x0.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz e)
[ 77188.275] AUDIT: Mon Nov 16 20:10:39 2015: 5849: client 35 disconnected