有人尝试通过 Windows 远程桌面连接到 CenOS 7 服务器（基于此处的说明：https://www.itzgeek.com/how-tos/linux/centos-how-tos/install-xrdp-remote-desktop-to-centos-6-rhel-6.html） 使用固态存储系统以及他们的 AD 凭据（如果相关），但当他们尝试连接时，他们看到的只是一个蓝色闪烁的屏幕（当他们单击它时，它会闪烁更多）。他们看到的示例如下所示（几周前他们没有遇到这个问题）：
请注意，我自己的帐户可以毫无问题地连接。比较我在文件中看到的内容.xsession-errors，我发现...
[root@myserver ~]# cat /home/problemuser/.xsession-errors
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast
generating cookie with syscall
generating cookie with syscall
generating cookie with syscall
generating cookie with syscall
** Message: 14:02:02.592: couldn't access control socket: /run/user/9010/keyring/control: No such file or directory
SSH_AUTH_SOCK=/run/user/9010/keyring/ssh
SSH_AUTH_SOCK=/run/user/9010/keyring/ssh
SSH_AUTH_SOCK=/run/user/9010/keyring/ssh
/usr/share/system-config-printer/applet.py:44: PyGIWarning: Notify was imported without specifying a version first. Use gi.require_version('Notify', '0.7') before import to ensure that the right version gets loaded.
from gi.repository import Notify
system-config-printer-applet: failed to start NewPrinterNotification service
system-config-printer-applet: failed to start PrinterDriversInstaller service: org.freedesktop.DBus.Error.AccessDenied: Connection ":1.390" is not allowed to own the service "com.redhat.PrinterDriversInstaller" due to security policies in the configuration file
Initializing caja-image-converter extension
Initializing caja-open-terminal extension
*** ERROR ***
TI:14:02:03 TH:0x2177860 FI:gpm-manager.c FN:gpm_manager_systemd_inhibit,1784
- Error in dbus - GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: Permission denied
Traceback:
mate-power-manager() [0x418b9f]
mate-power-manager() [0x411220]
/lib64/libgobject-2.0.so.0(g_type_create_instance+0x1fb) [0x7f300ceeb5cb]
/lib64/libgobject-2.0.so.0(+0x152dd) [0x7f300cecf2dd]
/lib64/libgobject-2.0.so.0(g_object_new_with_properties+0x27d) [0x7f300ced0b8d]
/lib64/libgobject-2.0.so.0(g_object_new+0xc1) [0x7f300ced1571]
mate-power-manager() [0x411a22]
mate-power-manager() [0x4080b8]
/lib64/libc.so.6(__libc_start_main+0xf5) [0x7f300c2db445]
mate-power-manager() [0x4083db]
(nm-applet:62027): Gdk-CRITICAL **: 14:02:03.554: gdk_window_thaw_toplevel_updates: assertion 'window->update_and_descendants_freeze_count > 0' failed
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast
Window manager warning: last_focus_time (244936105) is greater than comparison timestamp (3337021795). This most likely represents a buggy client sending inaccurate timestamps in messages such as _NET_ACTIVE_WINDOW. Trying to work around...
Window manager warning: last_user_time (244936105) is greater than comparison timestamp (3337021795). This most likely represents a buggy client sending inaccurate timestamps in messages such as _NET_ACTIVE_WINDOW. Trying to work around...
Window manager warning: 0x1000003 (Top Expand) appears to be one of the offending windows with a timestamp of 244936370. Working around...
Window manager warning: 0x1000024 (Bottom Exp) appears to be one of the offending windows with a timestamp of 244936375. Working around...
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast
"TypeError: undefined is not an object (evaluating 'jqXHR.responseText[0]')"
"TypeError: undefined is not an object (evaluating 'jqXHR.responseText[0]')"
"TypeError: undefined is not an object (evaluating 'jqXHR.responseText[0]')"
"TypeError: undefined is not an object (evaluating 'jqXHR.responseText[0]')"
"TypeError: undefined is not an object (evaluating 'jqXHR.responseText[0]')"
"TypeError: undefined is not an object (evaluating 'jqXHR.responseText[0]')"
"5: Error occurred while executing method
2: [system] No such file or directory"
"5: Error occurred while executing method
2: [system] No such file or directory"
"5: Error occurred while executing method
2: [system] No such file or directory"
"5: Error occurred while executing method
2: [system] No such file or directory"
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast
[root@myserver ~]#
[root@myserver ~]#
[root@myserver ~]#
[root@myserver ~]#
[root@myserver ~]#
[root@myserver ~]# #my own user that can log in fine
[root@myserver ~]# cat /home/myuser/.xsession-errors
/usr/bin/id: cannot find name for group ID 10001
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast
generating cookie with syscall
generating cookie with syscall
generating cookie with syscall
generating cookie with syscall
** Message: 16:51:42.373: couldn't access control socket: /run/user/10003/keyring/control: No such file or directory
SSH_AUTH_SOCK=/run/user/10003/keyring/ssh
SSH_AUTH_SOCK=/run/user/10003/keyring/ssh
SSH_AUTH_SOCK=/run/user/10003/keyring/ssh
/usr/share/system-config-printer/applet.py:44: PyGIWarning: Notify was imported without specifying a version first. Use gi.require_version('Notify', '0.7') before import to ensure that the right version gets loaded.
from gi.repository import Notify
system-config-printer-applet: failed to start NewPrinterNotification service
system-config-printer-applet: failed to start PrinterDriversInstaller service: org.freedesktop.DBus.Error.AccessDenied: Connection ":1.3946" is not allowed to own the service "com.redhat.PrinterDriversInstaller" due to security policies in the configuration file
Initializing caja-image-converter extension
Initializing caja-open-terminal extension
*** ERROR ***
TI:16:51:43 TH:0x1878670 FI:gpm-manager.c FN:gpm_manager_systemd_inhibit,1784
- Error in dbus - GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: Permission denied
Traceback:
mate-power-manager() [0x418b9f]
mate-power-manager() [0x411220]
/lib64/libgobject-2.0.so.0(g_type_create_instance+0x1fb) [0x7fc13da045cb]
/lib64/libgobject-2.0.so.0(+0x152dd) [0x7fc13d9e82dd]
/lib64/libgobject-2.0.so.0(g_object_new_with_properties+0x27d) [0x7fc13d9e9b8d]
/lib64/libgobject-2.0.so.0(g_object_new+0xc1) [0x7fc13d9ea571]
mate-power-manager() [0x411a22]
mate-power-manager() [0x4080b8]
/lib64/libc.so.6(__libc_start_main+0xf5) [0x7fc13cdf4445]
mate-power-manager() [0x4083db]
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast
（我们两人.Xclients都是“伴侣会话”，并且不完全确定哪些部分与此相关，因为日志没有时间戳）。
请注意，背景通常看起来像......
运行who命令（以防万一有一个陈旧的会话干扰他们再次登录）我看到的只是系统上我自己的用户，让他们重新启动他们的客户端机器也无济于事。
有经验的人知道会发生什么吗？ 采取更多调试步骤来尝试获取有关可能发生的情况的更多信息？