我ubuntu-desktop在 Ubuntu 服务器上安装。每次运行时startx都会出现以下错误：
[ 124.958]
X.Org X Server 1.18.4
Release Date: 2016-07-19
[ 124.959] X Protocol Version 11, Revision 0
[ 124.960] Build Operating System: Linux 4.4.0-45-generic x86_64 Ubuntu
[ 124.961] Current Operating System: Linux NY-QNS-SRV01 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64
[ 124.962] Kernel command line: BOOT_IMAGE=/vmlinuz-4.4.0-62-generic root=/dev/mapper/NY--QNS--SRV01--vg-root ro
[ 124.964] Build Date: 02 November 2016 10:06:10PM
[ 124.965] xorg-server 2:1.18.4-0ubuntu0.2 (For technical support please see http://www.ubuntu.com/support)
[ 124.966] Current version of pixman: 0.33.6
[ 124.967] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[ 124.968] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 124.972] (==) Log file: "/home/moses/.local/share/xorg/Xorg.0.log", Time: Sun Feb 26 07:28:45 2017
[ 124.972] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 124.973] (==) No Layout section. Using the first Screen section.
[ 124.973] (==) No screen section available. Using defaults.
[ 124.973] (**) |-->Screen "Default Screen Section" (0)
[ 124.973] (**) | |-->Monitor "<default monitor>"
[ 124.973] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 124.973] (==) Automatically adding devices
[ 124.973] (==) Automatically enabling devices
[ 124.973] (==) Automatically adding GPU devices
[ 124.973] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 124.973] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 124.973] Entry deleted from font path.
[ 124.973] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[ 124.973] Entry deleted from font path.
[ 124.973] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 124.973] Entry deleted from font path.
[ 124.973] (WW) The directory "/usr/share/fonts/X11/Type1" does not exist.
[ 124.973] Entry deleted from font path.
[ 124.973] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[ 124.973] Entry deleted from font path.
[ 124.973] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[ 124.973] Entry deleted from font path.
[ 124.973] (==) FontPath set to:
/usr/share/fonts/X11/misc,
built-ins
[ 124.973] (==) ModulePath set to "/usr/lib/x86_64-linux-gnu/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
[ 124.973] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 124.973] (II) Loader magic: 0x558e3d961dc0
[ 124.973] (II) Module ABI versions:
[ 124.973] X.Org ANSI C Emulation: 0.4
[ 124.973] X.Org Video Driver: 20.0
[ 124.973] X.Org XInput driver : 22.1
[ 124.973] X.Org Server Extension : 9.0
[ 124.974] (++) using VT number 2
[ 124.976] (II) systemd-logind: took control of session /org/freedesktop/login1/session/_31
[ 124.977] (--) PCI:*(0:4:3:0) 102b:0532:15d9:0624 rev 10, Mem @ 0xfa000000/16777216, 0xfb800000/16384, 0xfb000000/8388608
[ 124.978] (II) LoadModule: "glx"
[ 124.978] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 124.979] (II) Module glx: vendor="X.Org Foundation"
[ 124.979] compiled for 1.18.4, module version = 1.0.0
[ 124.979] ABI class: X.Org Server Extension, version 9.0
[ 124.979] (==) AIGLX enabled
[ 124.979] (==) Matched mga as autoconfigured driver 0
[ 124.979] (==) Matched modesetting as autoconfigured driver 1
[ 124.979] (==) Matched fbdev as autoconfigured driver 2
[ 124.979] (==) Matched vesa as autoconfigured driver 3
[ 124.979] (==) Assigned the driver to the xf86ConfigLayout
[ 124.979] (II) LoadModule: "mga"
[ 124.979] (WW) Warning, couldn't open module mga
[ 124.979] (II) UnloadModule: "mga"
[ 124.979] (II) Unloading mga
[ 124.979] (EE) Failed to load module "mga" (module does not exist, 0)
[ 124.979] (II) LoadModule: "modesetting"
[ 124.979] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 124.979] (II) Module modesetting: vendor="X.Org Foundation"
[ 124.979] compiled for 1.18.4, module version = 1.18.4
[ 124.979] Module class: X.Org Video Driver
[ 124.979] ABI class: X.Org Video Driver, version 20.0
[ 124.979] (II) LoadModule: "fbdev"
[ 124.980] (WW) Warning, couldn't open module fbdev
[ 124.980] (II) UnloadModule: "fbdev"
[ 124.980] (II) Unloading fbdev
[ 124.980] (EE) Failed to load module "fbdev" (module does not exist, 0)
[ 124.980] (II) LoadModule: "vesa"
[ 124.980] (WW) Warning, couldn't open module vesa
[ 124.980] (II) UnloadModule: "vesa"
[ 124.980] (II) Unloading vesa
[ 124.980] (EE) Failed to load module "vesa" (module does not exist, 0)
[ 124.980] (==) Matched mga as autoconfigured driver 0
[ 124.980] (==) Matched modesetting as autoconfigured driver 1
[ 124.980] (==) Matched fbdev as autoconfigured driver 2
[ 124.980] (==) Matched vesa as autoconfigured driver 3
[ 124.980] (==) Assigned the driver to the xf86ConfigLayout
[ 124.980] (II) LoadModule: "mga"
[ 124.980] (WW) Warning, couldn't open module mga
[ 124.980] (II) UnloadModule: "mga"
[ 124.980] (II) Unloading mga
[ 124.980] (EE) Failed to load module "mga" (module does not exist, 0)
[ 124.980] (II) LoadModule: "modesetting"
[ 124.980] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 124.980] (II) Module modesetting: vendor="X.Org Foundation"
[ 124.980] compiled for 1.18.4, module version = 1.18.4
[ 124.980] Module class: X.Org Video Driver
[ 124.980] ABI class: X.Org Video Driver, version 20.0
[ 124.980] (II) UnloadModule: "modesetting"
[ 124.980] (II) Unloading modesetting
[ 124.980] (II) Failed to load module "modesetting" (already loaded, 0)
[ 124.980] (II) LoadModule: "fbdev"
[ 124.981] (WW) Warning, couldn't open module fbdev
[ 124.981] (II) UnloadModule: "fbdev"
[ 124.981] (II) Unloading fbdev
[ 124.981] (EE) Failed to load module "fbdev" (module does not exist, 0)
[ 124.981] (II) LoadModule: "vesa"
[ 124.981] (WW) Warning, couldn't open module vesa
[ 124.981] (II) UnloadModule: "vesa"
[ 124.981] (II) Unloading vesa
[ 124.981] (EE) Failed to load module "vesa" (module does not exist, 0)
[ 124.981] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 124.981] (EE) open /dev/dri/card0: No such file or directory
[ 124.981] (EE) open /dev/dri/card0: No such file or directory
[ 124.981] (WW) Falling back to old probe method for modesetting
[ 124.981] (EE) open /dev/dri/card0: No such file or directory
[ 124.981] (EE) open /dev/dri/card0: No such file or directory
[ 124.981] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[ 124.981] (EE) Screen 0 deleted because of no matching config section.
[ 124.981] (II) UnloadModule: "modesetting"
[ 124.981] (EE) Screen 0 deleted because of no matching config section.
[ 124.981] (II) UnloadModule: "modesetting"
[ 124.981] (EE) Device(s) detected, but none match those in the config file.
[ 124.981] (EE)
Fatal server error:
[ 124.981] (EE) no screens found(EE)
[ 124.981] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 124.981] (EE) Please also check the log file at "/home/moses/.local/share/xorg/Xorg.0.log" for additional information.
[ 124.981] (EE)
[ 125.121] (EE) Server terminated with error (1). Closing log file.
我还安装了 lightdm。当我运行时
lspci -nnk | grep
VGA compatible controller MGA G200eW,
我有一个超微 X9SCL集成显卡的主板。我搜索了多个表单并尝试了几个解决方案，但还是卡住了。