On 15/03/15 20:07, Sven Joachim wrote:
On 2015-03-15 18:44 +0100, Andrew Wood wrote:
Im trying to get Wheezy with lightdm and Xfce to work on an old kiosk
machine with a Silicon Motion SM712 chip. Currently X just turns the
screen off as soon as it starts and from the Googling Ive done it
seems this is a common problem with both the silicon motion driver and
the generic vesa driver and the solution appears to be using the fbdev
driver instead?
How can I force X to use this driver under Wheezy, there doesnt even
seem to be an xorg.conf file anywhere?
You can create your own, the following four lines are sufficient:
--8<---------------cut here---------------start------------->8---
Section "Device"
Identifier "n"
Driver "fbdev"
EndSection
--8<---------------cut here---------------end--------------->8---
Save this as /etc/X11/xorg.conf, and X will use the fbdev driver.
Thanks Sven
Ive done some experimenting using a skeleton xorg.conf file created
using Xorg -configure and then editing it.
Below is the complete file. The machine has two monitor ports one LVDS
to which the kiosks LCD is normally connected which is 800x600 and a VGA
port to which I have a temporary 15" CRT connected via a KVM switch.
Ive thus created two Device entries with a separate screen number for
each. With the driver set to 'siliconmotion' running X with Xorg -config
/root/xorg.conf.new it flashes an X GUI output for a split second - Im
sure I see the Wheezy grey background and Debian logo then the screen
turns off.
Setting the driver to 'fbdev' X refuses to start with a seg fault.
Ive learnt a lot about X configuration tonight having not done it
before. I feel Im almost there but not quite. Can anyone enlighten me as
to what is wrong please?
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" RightOf "Screen0"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
ModulePath "/usr/lib/xorg/modules"
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"
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
FontPath "built-ins"
EndSection
Section "Module"
Load "dbe"
Load "dri2"
Load "glx"
Load "extmod"
Load "dri"
Load "record"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Monitor"
Identifier "Monitor1"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
### Available Driver options are:-
### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
### <percent>: "<f>%"
### [arg]: arg optional
#Option "ShadowFB" # [<bool>]
#Option "Rotate" # <str>
#Option "fbdev" # <str>
#Option "debug" # [<bool>]
Identifier "Card0"
Driver "fbdev"
BusID "PCI:1:0:0"
Screen 0
EndSection
Section "Device"
Identifier "Card1"
Driver "fbdev"
BusID "PCI:1:0:0"
Screen 1
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 24
Modes "800x600"
EndSubSection
EndSection
Section "Screen"
Identifier "Screen1"
Device "Card1"
Monitor "Monitor1"
SubSection "Display"
Viewport 0 0
Depth 24
Modes "800x600"
EndSubSection
EndSection
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