为了享受beryl，根据
http://forum.ubuntu.com.cn/about48064.h ... 96ed50238b
卸载了fglrx驱动，禁用了受限驱动，装了开源驱动，然后安装了beryl。结果1440x900没法正常显示，显示器提示“非预置模式”，1280x768没问题（除了字体模糊之外）
fglrx驱动下显示器用1440x900此分辨率正常。
ATI9600
BENQ F92W
xorg.conf如下
# /etc/X11/xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf(5) manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
# sudo dpkg-reconfigure -phigh xserver-xorg
Section "Files"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/usr/share/fonts/X11/cyrillic"
FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
FontPath "/usr/share/fonts/X11/Type1"
FontPath "/usr/share/fonts/X11/100dpi"
FontPath "/usr/share/fonts/X11/75dpi"
# path to defoma fonts
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection
Section "Module"
Load "i2c"
Load "bitmap"
Load "ddc"
Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "vbe"
EndSection
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ImPS/2"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "true"
EndSection
Section "InputDevice"
Driver "wacom"
Identifier "stylus"
Option "Device" "/dev/input/wacom"
Option "Type" "stylus"
Option "ForceDevice" "ISDV4" # Tablet PC ONLY
EndSection
Section "InputDevice"
Driver "wacom"
Identifier "eraser"
Option "Device" "/dev/input/wacom"
Option "Type" "eraser"
Option "ForceDevice" "ISDV4" # Tablet PC ONLY
EndSection
Section "InputDevice"
Driver "wacom"
Identifier "cursor"
Option "Device" "/dev/input/wacom"
Option "Type" "cursor"
Option "ForceDevice" "ISDV4" # Tablet PC ONLY
EndSection
Section "Device"
Identifier "ATI Technologies Inc RV350 AP [Radeon 9600]"
#Driver "ati"
#BusID "PCI:1:0:0"
Driver "radeon"
BusID "PCI:1:0:0"
Option "XAANoOffscreenPixmaps"
Option "AGPMode" "8"
Option "AGPFastWrite" "true"
Option "DisableGLXRootClipping" "true"
Option "AddARGBGLXVisuals" "true"
Option "AllowGLXWithComposite" "true"
Option "EnablePageFlip" "true"
EndSection
Section "Monitor"
Identifier "BenQ FP92W"
Option "DPMS"
EndSection
Section "Screen"
Identifier "Default Screen"
Device "ATI Technologies Inc RV350 AP [Radeon 9600]"
Monitor "BenQ FP92W"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1440x900" "1440x1440" "1152x864" "1024x768" "832x624" "800x600" "720x400" "640x480" "640x350"
EndSubSection
SubSection "Display"
Depth 4
Modes "1440x900" "1440x1440" "1152x864" "1024x768" "832x624" "800x600" "720x400" "640x480" "640x350"
EndSubSection
SubSection "Display"
Depth 8
Modes "1440x900" "1440x1440" "1152x864" "1024x768" "832x624" "800x600" "720x400" "640x480" "640x350"
EndSubSection
SubSection "Display"
Depth 15
Modes "1440x900" "1440x1440" "1152x864" "1024x768" "832x624" "800x600" "720x400" "640x480" "640x350"
EndSubSection
SubSection "Display"
Depth 16
Modes "1440x900" "1440x1440" "1152x864" "1024x768" "832x624" "800x600" "720x400" "640x480" "640x350"
EndSubSection
SubSection "Display"
Depth 24
Modes "1440x900" "1440x1440" "1152x864" "1024x768" "832x624" "800x600" "720x400" "640x480" "640x350"
EndSubSection
EndSection
#Section "ServerLayout"
# Identifier "Default Layout"
# Screen "Default Screen"
# InputDevice "Generic Keyboard"
# InputDevice "Configured Mouse"
# InputDevice "stylus" "SendCoreEvents"
# InputDevice "cursor" "SendCoreEvents"
# InputDevice "eraser" "SendCoreEvents"
#EndSection
Section "ServerLayout"
Option "AIGLX" "true"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
InputDevice "stylus" "SendCoreEvents"
InputDevice "cursor" "SendCoreEvents"
InputDevice "eraser" "SendCoreEvents"
EndSection
Section "DRI"
Mode 0666
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
