我不知道发生了什么，但我无法通过远程桌面启动我的 Kubuntu GUI。当我连接到机器时，我看到了终端。我尝试这样做sudo startx，得到了以下输出：
我还需要提供什么？我在 syslog 或 Xorg.0.log 文件中找不到任何错误消息
我看了一下〜并发现.xsession 错误文件。
该日志的一小部分：
dolphin(2708): couldn't create slave: "Unable to create io-slave:
klauncher said: Error loading 'kio_file'.
"
baloo_file(13141): "database is locked Unable to fetch row"
...
baloo_file(10607): "database is locked Unable to fetch row"
Could not find 'kio_file' executable.
dolphin(2708): couldn't create slave: "Unable to create io-slave:
klauncher said: Error loading 'kio_file'.
"
Xsession: X session started for root at Tue May 12 21:32:36 MSK 2015
localuser:root being added to access control list
Script for none started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
Script for none started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
baloo_file(10607): "database is locked Unable to fetch row"
baloo_file(16214): "database is locked Unable to fetch row"
baloo_file(13141): "database is locked Unable to fetch row"
baloo_file(12515): "database is locked Unable to fetch row"
Could not find 'kio_file' executable.
dolphin(2708): couldn't create slave: "Unable to create io-slave:
klauncher said: Error loading 'kio_file'.
"
Xsession: X session started for at Tue May 12 21:53:51 MSK 2015
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 109 (X_ChangeHosts)
Value in failed request: 0x5
Serial number of failed request: 6
Current serial number in output stream: 8
localuser:user being added to access control list
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 109 (X_ChangeHosts)
Value in failed request: 0x5
Serial number of failed request: 6
Current serial number in output stream: 8
Script for none started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
Script for none started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
klauncher: Exiting on signal 15
klauncher: Exiting on signal 15
klauncher: Exiting on signal 15
QtDBus: cannot relay signals from parent QObject(0x1548420 "") unless they are emitted in the object's thread QThread(0x12fd1e0 ""). Current thread is QProcessManager(0x7fd03402c540 "").
QProcess: Destroyed while process is still running.
QtDBus: cannot relay signals from parent QObject(0x2355490 "") unless they are emitted in the object's thread QThread(0x21081e0 ""). Current thread is QProcessManager(0x7fd63cbb4540 "").
QProcess: Destroyed while process is still running.
kdeinit4: Fatal IO error: client killed
kdeinit4: sending SIGHUP to children.
kglobalaccel: Fatal IO error: client killed
klauncher: Exiting on signal 15
kdeinit4: Fatal IO error: client killed
kdeinit4: sending SIGHUP to children.
kglobalaccel: Fatal IO error: client killed
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
kglobalaccel: Fatal IO error: client killed
kglobalaccel: Fatal IO error: client killed
klauncher: Exiting on signal 15
kwin: Fatal IO error: client killed
ksmserver: Fatal IO error: client killed
QProcess: Destroyed while process is still running.
kglobalaccel: Fatal IO error: client killed
kdeinit4: Fatal IO error: client killed
kdeinit4: sending SIGHUP to children.
kdeinit4: Fatal IO error: client killed
kdeinit4: sending SIGHUP to children.
ksmserver: Fatal IO error: client killed
kdeinit4: sending SIGTERM to children.
kdeinit4: Exit.
kdeinit4: sending SIGTERM to children.
kdeinit4: Exit.
kdeinit4: sending SIGTERM to children.
kdeinit4: Exit.
kdeinit4: sending SIGTERM to children.
kdeinit4: Exit.
Xsession: X session started for at Tue May 12 21:58:41 MSK 2015
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 109 (X_ChangeHosts)
Value in failed request: 0x5
Serial number of failed request: 6
Current serial number in output stream: 8
localuser:user being added to access control list
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 109 (X_ChangeHosts)
Value in failed request: 0x5
Serial number of failed request: 6
Current serial number in output stream: 8
Script for none started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
Script for none started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
Xsession: X session started for at Wed May 13 09:58:28 MSK 2015
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 109 (X_ChangeHosts)
Value in failed request: 0x5
Serial number of failed request: 6
Current serial number in output stream: 8
localuser:user being added to access control list
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 109 (X_ChangeHosts)
Value in failed request: 0x5
Serial number of failed request: 6
Current serial number in output stream: 8
Script for none started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
Script for none started at run_im.
Script for auto started at run_im.
Script for default started at run_im.