startx起不来。内有错误信息。

takken

(II) Setting vga for screen 0.
(II) Loading sub module "vbe"
(II) LoadModule: "vbe"
(II) Loading /usr/X11R6/lib/modules/libvbe.a
(II) Module vbe: vendor="X.Org Foundation"
        compiled for 6.8.1, module version = 1.1.0
        ABI class: X.Org Video Driver, version 0.7
(II) Loading sub module "int10"
(II) LoadModule: "int10"
(II) Loading /usr/X11R6/lib/modules/linux/libint10.a
(II) Module int10: vendor="X.Org Foundation"
        compiled for 6.8.1, module version = 1.0.0
        ABI class: X.Org Video Driver, version 0.7
(II) VESA(0): initializing int10
(EE) VESA(0): shmget(lowmem) error: Invalid argument
(II) UnloadModule: "vesa"
(II) UnloadModule: "int10"
(II) Unloading /usr/X11R6/lib/modules/linux/libint10.a
(II) UnloadModule: "vbe"
(II) Unloading /usr/X11R6/lib/modules/libvbe.a
(EE) Screen(s) found, but none have a usable configuration.

Fatal server error:
no screens found

Please consult the The X.Org Foundation support
         at http://wiki.X.Org
for help.
Please also check the log file at "/var/log/Xorg.0.log" for additional information.


这是Xorg.0.log的最后几行。前面一大堆错没贴。请高手指点。