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SubjectRe: Mouse Support in Kernel 2.6.8
I have observed something which I would like to share
with you. Do we need to change XF86Config file when we
are migrating from Kernel 2.4 to 2.6.8 ?

Whenever I boot my system [ either in Kernel 2.4 or
2.6.8], I am prompt by kudzu to configure/
unconfigure the following hardware devices:

1. LGI|8051
2. Generic PS/2 Wheel Mouse

If I configure LGI|8051 only [not Generic Mouse
because If I configure Generic Mouse, then I donot get
Mouse Support in Kernel 2.4] in my Kernel 2.4, then
everything works fine and I get mouse support. But If
try to do the same thing in Kernel 2.6.8 [ i.e
configure LGI|8051 and don't configure Generic PS/2],
then my Kernel gives error in launching X Server and
error is as follows:
xf86OpenSerial can't open device /dev/ttyS1

My XF86Config contents are as follows:
# XFree86 4 configuration created by

Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "DevInputMice" "AlwaysCore"

Section "Files"

# RgbPath is the location of the RGB database. Note,
this is the name of the
# file minus the extension (like ".txt" or ".db").
There is normally
# no need to change the default.
# Multiple FontPath entries are allowed (they are
concatenated together)
# By default, Red Hat 6.0 and later now use a font
server independent of
# the X server to render fonts.
RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "unix/:7100"

Section "Module"
Load "dbe"
Load "extmod"
Load "fbdevhw"
Load "glx"
Load "record"
Load "freetype"
Load "type1"

Section "InputDevice"

# Specify which keyboard LEDs can be user-controlled
(eg, with xset(1))
# Option "Xleds" "1 2 3"
# To disable the XKEYBOARD extension, uncomment
# Option "XkbDisable"
# To customise the XKB settings to suit your keyboard,
modify the
# lines below (which are the defaults). For example,
for a non-U.S.
# keyboard, you will probably want to use:
# Option "XkbModel" "pc102"
# If you have a US Microsoft Natural keyboard, you can
# Option "XkbModel" "microsoft"
# Then to change the language, change the Layout
# For example, a german layout can be obtained with:
# Option "XkbLayout" "de"
# or:
# Option "XkbLayout" "de"
# Option "XkbVariant" "nodeadkeys"
# If you'd like to switch the positions of your
capslock and
# control keys, use:
# Option "XkbOptions" "ctrl:swapcaps"
# Or if you just want both to be control, use:
# Option "XkbOptions" "ctrl:nocaps"
Identifier "Keyboard0"
Driver "keyboard"
Option "XkbRules" "xfree86"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"

Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "Microsoft"
Option "Device" "/dev/ttyS1"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "yes"

Section "InputDevice"

# If the normal CorePointer mouse is not a USB mouse
# this input device can be used in AlwaysCore mode to
let you
# also use USB mice at the same time.
Identifier "DevInputMice"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "no"

Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "StudioWorks"
DisplaySize 270 200
HorizSync 30.0 - 54.0
VertRefresh 50.0 - 120.0
Option "dpms"

Section "Device"
Identifier "Videocard0"
Driver "ati"
VendorName "Videocard vendor"
BoardName "ATI Mach64 3D Rage IIC"

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 16
SubSection "Display"
Depth 16
Modes "800x600" "640x480"

Section "DRI"
Group 0
Mode 0666

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