桌面出现了问题，反应很迟钝，有错误提示，求助！

hongri2010

控制台出现了如下提示：
[php](xfce4-session:6575): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/security/EnableTcp" does not exist on channel "xfce4-session"

(xfce4-session:6575): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/compat/LaunchGNOME" does not exist on channel "xfce4-session"

(xfce4-session:6575): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/compat/LaunchKDE" does not exist on channel "xfce4-session"

(xfce4-session:6575): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/chooser/AlwaysDisplay" does not exist on channel "xfce4-session"

(xfce4-settings-helper:6588): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/Default/KeyRepeat" does not exist on channel "keyboards"

(xfce4-settings-helper:6588): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/Default/KeyRepeat/Delay" does not exist on channel "keyboards"

(xfce4-settings-helper:6588): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/Default/KeyRepeat/Rate" does not exist on channel "keyboards"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/backdrop/screen0/xinerama-stretch" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-icons/style" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-icons/icon-size" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-icons/font-size" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-icons/use-custom-font-size" does not exist on channel "xfce4-desktop"

(xfce4-settings-helper:6588): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/StickyKeys" does not exist on channel "accessibility"

(xfce4-settings-helper:6588): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/SlowKeys" does not exist on channel "accessibility"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/backdrop/screen0/monitor0/color-style" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/backdrop/screen0/monitor0/color1" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/backdrop/screen0/monitor0/color2" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/backdrop/screen0/monitor0/image-show" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/backdrop/screen0/monitor0/image-style" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/backdrop/screen0/monitor0/brightness" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/backdrop/screen0/monitor0/saturation" does not exist on channel "xfce4-desktop"

(xfce4-settings-helper:6588): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/Default/XkbDisable" does not exist on channel "keyboard-layout"

(xfce4-settings-helper:6588): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/Default/NumScreens" does not exist on channel "displays"

(xfce4-settings-helper:6588): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/Default/NumScreens" does not exist on channel "displays"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-icons/file-icons/show-filesystem" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-icons/file-icons/show-home" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-icons/file-icons/show-trash" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-icons/file-icons/show-removable" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-menu/show" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/desktop-menu/show-icons" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/windowlist-menu/show" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/windowlist-menu/show-icons" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/windowlist-menu/show-workspace-names" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/windowlist-menu/show-submenus" does not exist on channel "xfce4-desktop"

(xfdesktop:6587): xfconf-WARNING **: Error check failed at xfconf_channel_get_internal():390: Property "/windowlist-menu/show-sticky-once" does not exist on channel "xfce4-desktop"[/php]
当打开firefox时，firefox反应很慢，并且从桌面转到字符界面时屏幕总是变的很暗，当从字符界面再回到图形桌面时，任务栏有不正常的显示

我使用的是fxce4，以前没有使用xorg.conf文件，可以正常使用xfce4,昨天因为想要启动3D硬件加速，于是就让系统产生了一个xorg.conf，startx后因为提示找不到screen而没有成功启动桌面，于是我就删除了xorg.conf，再使用startx后，可以启动xfce4，可是桌面不正常了，求解！

U571

具体不知
如果之前一切正常的话
换个用户登录就可以

hongri2010

我重新编译了整个xfce4，正常了～