Ubuntu%2014.04%20%E4%B8%AD%E4%BD%BF%E7%94%A8%20Xorg%20%E6%97%B6%E6%97%A0%E8%BE%93%E5%85%A5.png)
当 Xorg 在 Ubuntu 14.04（也试过 12.04）上运行时，我无法让任何输入设备工作。系统在 ARM（armhf）设备上运行。USB 键盘和 USB 鼠标在文本模式下工作正常，但当 Xorg 启动时，什么都不再起作用。当我使用串行控制台终止 Xorg 时，在文本模式下，一切都恢复正常。
我尝试使用在线找到的方法来修改 xorg.conf，但没有任何效果。有人能给我一些建议如何解决这个问题吗？
Xorg.log 的内容如下：
[ 527.894]
X.Org X Server 1.15.1
Release Date: 2014-04-13
[ 527.905] X Protocol Version 11, Revision 0
[ 527.909] Build Operating System: Linux 3.2.0-58-highbank armv7l Ubuntu
[ 527.913] Current Operating System: Linux linaro-nano 3.17.4 #3 SMP PREEMPT Wed Dec 3 16:19:08 CET 2014 armv7l
[ 527.913] Kernel command line: console=tty0 console=ttyS0,57600 root=/dev/sdb1 rw rootwait mem=992M
[ 527.921] Build Date: 16 April 2014 01:41:53PM
[ 527.925] xorg-server 2:1.15.1-0ubuntu2 (For technical support please see http://www.ubuntu.com/support)
[ 527.929] Current version of pixman: 0.30.2
[ 527.937] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[ 527.937] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 527.956] (==) Log file: "/var/log/Xorg.0.log", Time: Wed Dec 3 15:30:35 2014
[ 527.961] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 527.962] (==) No Layout section. Using the first Screen section.
[ 527.962] (==) No screen section available. Using defaults.
[ 527.962] (**) |-->Screen "Default Screen Section" (0)
[ 527.962] (**) | |-->Monitor "<default monitor>"
[ 527.963] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 527.963] (==) Automatically adding devices
[ 527.963] (==) Automatically enabling devices
[ 527.963] (==) Automatically adding GPU devices
[ 527.964] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 527.964] Entry deleted from font path.
[ 527.964] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[ 527.964] Entry deleted from font path.
[ 527.964] (WW) The directory "/usr/share/fonts/X11/Type1" does not exist.
[ 527.964] Entry deleted from font path.
[ 527.964] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[ 527.964] Entry deleted from font path.
[ 527.964] (==) FontPath set to:
/usr/share/fonts/X11/misc,
/usr/share/fonts/X11/100dpi/:unscaled,
/usr/share/fonts/X11/100dpi,
built-ins
[ 527.964] (==) ModulePath set to "/usr/lib/arm-linux-gnueabihf/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
[ 527.964] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 527.964] (II) Loader magic: 0xb6fe8f18
[ 527.964] (II) Module ABI versions:
[ 527.964] X.Org ANSI C Emulation: 0.4
[ 527.964] X.Org Video Driver: 15.0
[ 527.964] X.Org XInput driver : 20.0
[ 527.964] X.Org Server Extension : 8.0
[ 527.969] Initializing built-in extension Generic Event Extension
[ 527.974] Initializing built-in extension SHAPE
[ 527.979] Initializing built-in extension MIT-SHM
[ 527.984] Initializing built-in extension XInputExtension
[ 527.989] Initializing built-in extension XTEST
[ 527.996] Initializing built-in extension BIG-REQUESTS
[ 528.001] Initializing built-in extension SYNC
[ 528.006] Initializing built-in extension XKEYBOARD
[ 528.011] Initializing built-in extension XC-MISC
[ 528.016] Initializing built-in extension SECURITY
[ 528.021] Initializing built-in extension XINERAMA
[ 528.026] Initializing built-in extension XFIXES
[ 528.031] Initializing built-in extension RENDER
[ 528.036] Initializing built-in extension RANDR
[ 528.041] Initializing built-in extension COMPOSITE
[ 528.045] Initializing built-in extension DAMAGE
[ 528.050] Initializing built-in extension MIT-SCREEN-SAVER
[ 528.055] Initializing built-in extension DOUBLE-BUFFER
[ 528.060] Initializing built-in extension RECORD
[ 528.065] Initializing built-in extension DPMS
[ 528.070] Initializing built-in extension Present
[ 528.075] Initializing built-in extension DRI3
[ 528.079] Initializing built-in extension X-Resource
[ 528.084] Initializing built-in extension XVideo
[ 528.089] Initializing built-in extension XVideo-MotionCompensation
[ 528.094] Initializing built-in extension SELinux
[ 528.098] Initializing built-in extension XFree86-VidModeExtension
[ 528.103] Initializing built-in extension XFree86-DGA
[ 528.107] Initializing built-in extension XFree86-DRI
[ 528.111] Initializing built-in extension DRI2
[ 528.111] (II) LoadModule: "glx"
[ 528.113] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 528.126] (II) Module glx: vendor="X.Org Foundation"
[ 528.126] compiled for 1.15.1, module version = 1.0.0
[ 528.126] ABI class: X.Org Server Extension, version 8.0
[ 528.126] (==) AIGLX enabled
[ 528.131] Loading extension GLX
[ 528.131] (==) Matched modesetting as autoconfigured driver 0
[ 528.131] (==) Matched fbdev as autoconfigured driver 1
[ 528.131] (==) Assigned the driver to the xf86ConfigLayout
[ 528.131] (II) LoadModule: "modesetting"
[ 528.132] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 528.133] (II) Module modesetting: vendor="X.Org Foundation"
[ 528.133] compiled for 1.15.0, module version = 0.8.1
[ 528.133] Module class: X.Org Video Driver
[ 528.133] ABI class: X.Org Video Driver, version 15.0
[ 528.133] (II) LoadModule: "fbdev"
[ 528.134] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 528.134] (II) Module fbdev: vendor="X.Org Foundation"
[ 528.134] compiled for 1.15.0, module version = 0.4.4
[ 528.134] Module class: X.Org Video Driver
[ 528.134] ABI class: X.Org Video Driver, version 15.0
[ 528.134] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 528.134] (II) FBDEV: driver for framebuffer: fbdev
[ 528.134] (--) using VT number 8
[ 528.158] (WW) Falling back to old probe method for modesetting
[ 528.158] (EE) open /dev/dri/card0: No such file or directory
[ 528.158] (WW) Falling back to old probe method for fbdev
[ 528.158] (II) Loading sub module "fbdevhw"
[ 528.158] (II) LoadModule: "fbdevhw"
[ 528.159] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 528.160] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 528.160] compiled for 1.15.1, module version = 0.0.2
[ 528.160] ABI class: X.Org Video Driver, version 15.0
[ 528.160] (II) FBDEV(0): using default device
[ 528.160] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[ 528.160] (II) FBDEV(0): Creating default Display subsection in Screen section
"Default Screen Section" for depth/fbbpp 24/32
[ 528.160] (==) FBDEV(0): Depth 24, (==) framebuffer bpp 32
[ 528.160] (==) FBDEV(0): RGB weight 888
[ 528.160] (==) FBDEV(0): Default visual is TrueColor
[ 528.160] (==) FBDEV(0): Using gamma correction (1.0, 1.0, 1.0)
[ 528.160] (II) FBDEV(0): hardware: simple (video memory: 4098kB)
[ 528.160] (II) FBDEV(0): checking modes against framebuffer device...
[ 528.160] (II) FBDEV(0): checking modes against monitor...
[ 528.161] (--) FBDEV(0): Virtual size is 1366x768 (pitch 1366)
[ 528.161] (**) FBDEV(0): Built-in mode "current"
[ 528.161] (==) FBDEV(0): DPI set to (96, 96)
[ 528.161] (II) Loading sub module "fb"
[ 528.161] (II) LoadModule: "fb"
[ 528.161] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 528.162] (II) Module fb: vendor="X.Org Foundation"
[ 528.162] compiled for 1.15.1, module version = 1.0.0
[ 528.162] ABI class: X.Org ANSI C Emulation, version 0.4
[ 528.162] (**) FBDEV(0): using shadow framebuffer
[ 528.162] (II) Loading sub module "shadow"
[ 528.162] (II) LoadModule: "shadow"
[ 528.162] (II) Loading /usr/lib/xorg/modules/libshadow.so
[ 528.163] (II) Module shadow: vendor="X.Org Foundation"
[ 528.163] compiled for 1.15.1, module version = 1.1.0
[ 528.163] ABI class: X.Org ANSI C Emulation, version 0.4
[ 528.163] (II) UnloadModule: "modesetting"
[ 528.163] (II) Unloading modesetting
[ 528.163] (==) Depth 24 pixmap format is 32 bpp
[ 528.164] (EE) FBDEV(0): FBIOBLANK: Invalid argument
[ 528.164] (WW) FBDEV(0): FBIOPAN_DISPLAY: Invalid argument
[ 528.164] (==) FBDEV(0): Backing store enabled
[ 528.165] (==) FBDEV(0): DPMS enabled
[ 528.166] (==) RandR enabled
[ 528.201] (II) SELinux: Disabled on system
[ 528.205] (II) AIGLX: Screen 0 is not DRI2 capable
[ 528.205] (EE) AIGLX: reverting to software rendering
[ 528.227] (II) AIGLX: Loaded and initialized swrast
[ 528.227] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[ 528.331] (II) XKB: generating xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
[ 528.478] (II) XKB: Reusing cached keymap
[ 528.487] (II) config/udev: ignoring device /dev/input/event0 without property ID_INPUT set
[ 528.487] (II) config/udev: ignoring device /dev/input/mouse0 without property ID_INPUT set
[ 528.488] (II) config/udev: ignoring device /dev/input/event1 without property ID_INPUT set
[ 528.489] (II) config/udev: ignoring device /dev/input/event2 without property ID_INPUT set
[ 528.489] (II) config/udev: ignoring device /dev/ttyS0 without property ID_INPUT set
[ 528.489] (II) config/udev: ignoring device /dev/ttyS1 without property ID_INPUT set
[ 528.489] (II) config/udev: ignoring device /dev/input/mice without property ID_INPUT set
[ 528.490] (II) config/udev: ignoring device /dev/console without property ID_INPUT set
[ 528.490] (II) config/udev: ignoring device /dev/ptmx without property ID_INPUT set
[ 528.490] (II) config/udev: ignoring device /dev/ptyp0 without property ID_INPUT set
[ 528.490] (II) config/udev: ignoring device /dev/ptyp1 without property ID_INPUT set
[ 528.491] (II) config/udev: ignoring device /dev/ptyp2 without property ID_INPUT set
[ 528.491] (II) config/udev: ignoring device /dev/ptyp3 without property ID_INPUT set
[ 528.491] (II) config/udev: ignoring device /dev/ptyp4 without property ID_INPUT set
[ 528.491] (II) config/udev: ignoring device /dev/ptyp5 without property ID_INPUT set
[ 528.492] (II) config/udev: ignoring device /dev/ptyp6 without property ID_INPUT set
[ 528.492] (II) config/udev: ignoring device /dev/ptyp7 without property ID_INPUT set
[ 528.492] (II) config/udev: ignoring device /dev/ptyp8 without property ID_INPUT set
[ 528.492] (II) config/udev: ignoring device /dev/ptyp9 without property ID_INPUT set
[ 528.492] (II) config/udev: ignoring device /dev/ptypa without property ID_INPUT set
[ 528.493] (II) config/udev: ignoring device /dev/ptypb without property ID_INPUT set
[ 528.493] (II) config/udev: ignoring device /dev/ptypc without property ID_INPUT set
[ 528.493] (II) config/udev: ignoring device /dev/ptypd without property ID_INPUT set
[ 528.493] (II) config/udev: ignoring device /dev/ptype without property ID_INPUT set
[ 528.494] (II) config/udev: ignoring device /dev/ptypf without property ID_INPUT set
[ 528.494] (II) config/udev: ignoring device /dev/tty without property ID_INPUT set
[ 528.494] (II) config/udev: ignoring device /dev/tty0 without property ID_INPUT set
[ 528.494] (II) config/udev: ignoring device /dev/tty1 without property ID_INPUT set
[ 528.495] (II) config/udev: ignoring device /dev/tty10 without property ID_INPUT set
[ 528.495] (II) config/udev: ignoring device /dev/tty11 without property ID_INPUT set
[ 528.495] (II) config/udev: ignoring device /dev/tty12 without property ID_INPUT set
[ 528.495] (II) config/udev: ignoring device /dev/tty13 without property ID_INPUT set
[ 528.496] (II) config/udev: ignoring device /dev/tty14 without property ID_INPUT set
[ 528.496] (II) config/udev: ignoring device /dev/tty15 without property ID_INPUT set
[ 528.496] (II) config/udev: ignoring device /dev/tty16 without property ID_INPUT set
[ 528.496] (II) config/udev: ignoring device /dev/tty17 without property ID_INPUT set
[ 528.496] (II) config/udev: ignoring device /dev/tty18 without property ID_INPUT set
[ 528.497] (II) config/udev: ignoring device /dev/tty19 without property ID_INPUT set
[ 528.497] (II) config/udev: ignoring device /dev/tty2 without property ID_INPUT set
[ 528.497] (II) config/udev: ignoring device /dev/tty20 without property ID_INPUT set
[ 528.497] (II) config/udev: ignoring device /dev/tty21 without property ID_INPUT set
[ 528.498] (II) config/udev: ignoring device /dev/tty22 without property ID_INPUT set
[ 528.498] (II) config/udev: ignoring device /dev/tty23 without property ID_INPUT set
[ 528.498] (II) config/udev: ignoring device /dev/tty24 without property ID_INPUT set
[ 528.498] (II) config/udev: ignoring device /dev/tty25 without property ID_INPUT set
[ 528.498] (II) config/udev: ignoring device /dev/tty26 without property ID_INPUT set
[ 528.499] (II) config/udev: ignoring device /dev/tty27 without property ID_INPUT set
[ 528.499] (II) config/udev: ignoring device /dev/tty28 without property ID_INPUT set
[ 528.499] (II) config/udev: ignoring device /dev/tty29 without property ID_INPUT set
[ 528.499] (II) config/udev: ignoring device /dev/tty3 without property ID_INPUT set
[ 528.499] (II) config/udev: ignoring device /dev/tty30 without property ID_INPUT set
[ 528.500] (II) config/udev: ignoring device /dev/tty31 without property ID_INPUT set
[ 528.500] (II) config/udev: ignoring device /dev/tty32 without property ID_INPUT set
[ 528.500] (II) config/udev: ignoring device /dev/tty33 without property ID_INPUT set
[ 528.500] (II) config/udev: ignoring device /dev/tty34 without property ID_INPUT set
[ 528.501] (II) config/udev: ignoring device /dev/tty35 without property ID_INPUT set
[ 528.501] (II) config/udev: ignoring device /dev/tty36 without property ID_INPUT set
[ 528.501] (II) config/udev: ignoring device /dev/tty37 without property ID_INPUT set
[ 528.501] (II) config/udev: ignoring device /dev/tty38 without property ID_INPUT set
[ 528.502] (II) config/udev: ignoring device /dev/tty39 without property ID_INPUT set
[ 528.502] (II) config/udev: ignoring device /dev/tty4 without property ID_INPUT set
[ 528.502] (II) config/udev: ignoring device /dev/tty40 without property ID_INPUT set
[ 528.502] (II) config/udev: ignoring device /dev/tty41 without property ID_INPUT set
[ 528.502] (II) config/udev: ignoring device /dev/tty42 without property ID_INPUT set
[ 528.503] (II) config/udev: ignoring device /dev/tty43 without property ID_INPUT set
[ 528.503] (II) config/udev: ignoring device /dev/tty44 without property ID_INPUT set
[ 528.503] (II) config/udev: ignoring device /dev/tty45 without property ID_INPUT set
[ 528.503] (II) config/udev: ignoring device /dev/tty46 without property ID_INPUT set
[ 528.503] (II) config/udev: ignoring device /dev/tty47 without property ID_INPUT set
[ 528.504] (II) config/udev: ignoring device /dev/tty48 without property ID_INPUT set
[ 528.504] (II) config/udev: ignoring device /dev/tty49 without property ID_INPUT set
[ 528.504] (II) config/udev: ignoring device /dev/tty5 without property ID_INPUT set
[ 528.504] (II) config/udev: ignoring device /dev/tty50 without property ID_INPUT set
[ 528.505] (II) config/udev: ignoring device /dev/tty51 without property ID_INPUT set
[ 528.505] (II) config/udev: ignoring device /dev/tty52 without property ID_INPUT set
[ 528.505] (II) config/udev: ignoring device /dev/tty53 without property ID_INPUT set
[ 528.505] (II) config/udev: ignoring device /dev/tty54 without property ID_INPUT set
[ 528.506] (II) config/udev: ignoring device /dev/tty55 without property ID_INPUT set
[ 528.506] (II) config/udev: ignoring device /dev/tty56 without property ID_INPUT set
[ 528.506] (II) config/udev: ignoring device /dev/tty57 without property ID_INPUT set
[ 528.506] (II) config/udev: ignoring device /dev/tty58 without property ID_INPUT set
[ 528.506] (II) config/udev: ignoring device /dev/tty59 without property ID_INPUT set
[ 528.507] (II) config/udev: ignoring device /dev/tty6 without property ID_INPUT set
[ 528.507] (II) config/udev: ignoring device /dev/tty60 without property ID_INPUT set
[ 528.507] (II) config/udev: ignoring device /dev/tty61 without property ID_INPUT set
[ 528.507] (II) config/udev: ignoring device /dev/tty62 without property ID_INPUT set
[ 528.508] (II) config/udev: ignoring device /dev/tty63 without property ID_INPUT set
[ 528.508] (II) config/udev: ignoring device /dev/tty7 without property ID_INPUT set
[ 528.508] (II) config/udev: ignoring device /dev/tty8 without property ID_INPUT set
[ 528.508] (II) config/udev: ignoring device /dev/tty9 without property ID_INPUT set
[ 528.509] (II) config/udev: ignoring device /dev/ttyp0 without property ID_INPUT set
[ 528.509] (II) config/udev: ignoring device /dev/ttyp1 without property ID_INPUT set
[ 528.509] (II) config/udev: ignoring device /dev/ttyp2 without property ID_INPUT set
[ 528.509] (II) config/udev: ignoring device /dev/ttyp3 without property ID_INPUT set
[ 528.510] (II) config/udev: ignoring device /dev/ttyp4 without property ID_INPUT set
[ 528.510] (II) config/udev: ignoring device /dev/ttyp5 without property ID_INPUT set
[ 528.510] (II) config/udev: ignoring device /dev/ttyp6 without property ID_INPUT set
[ 528.510] (II) config/udev: ignoring device /dev/ttyp7 without property ID_INPUT set
[ 528.511] (II) config/udev: ignoring device /dev/ttyp8 without property ID_INPUT set
[ 528.511] (II) config/udev: ignoring device /dev/ttyp9 without property ID_INPUT set
[ 528.511] (II) config/udev: ignoring device /dev/ttypa without property ID_INPUT set
[ 528.511] (II) config/udev: ignoring device /dev/ttypb without property ID_INPUT set
[ 528.512] (II) config/udev: ignoring device /dev/ttypc without property ID_INPUT set
[ 528.512] (II) config/udev: ignoring device /dev/ttypd without property ID_INPUT set
[ 528.512] (II) config/udev: ignoring device /dev/ttype without property ID_INPUT set
[ 528.512] (II) config/udev: ignoring device /dev/ttypf without property ID_INPUT set
[ 528.513] (EE) FBDEV(0): FBIOBLANK: Invalid argument
[ 531.342] (II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm
[ 538.895] (EE) Server terminated successfully (0). Closing log file.
答案1
我找到了导致问题的原因。由于内核配置错误，udev 出现了一些奇怪的问题。需要检查文件系统 -> Inotify 对用户空间（无论它是什么）的支持选项。内核重新编译后，一切都开始正常工作。