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#1 2007-01-06 23:04:23

carrouf
Member
Registered: 2007-01-06
Posts: 34

touchpad strange problems : compatibility or configuration ?

Hi all,

I have a COMPAL CL56 machine and I have problems with my touchpad :

1/ trying to change parameters with KSynaptics does not change anything to my touchpad behaviour. For example I can't set it to scroll pages with right border.

2/ a more strange problem is that after a few minutes the touchpad doesn't respond anymore ! Can't move mouse cursor with touchpad, I have to plug a usb mouse ...


My opinion on these problems is that there is maybe a compatibilty problem with my touchpad, OR that touchpad is misconfigured.
If anyone has heard about a compatibilty problem or knows a step-by-step method to properly configure the touchpad, this would help me a lot !


Thanks/

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#2 2007-01-07 04:38:07

Acid7711
Member
From: Chicago, IL
Registered: 2006-08-18
Posts: 300
Website

Re: touchpad strange problems : compatibility or configuration ?

I'm assuming since you're using KSynaptics that you've configured X to use the synaptics driver and settings for it?  That solved all my problems on my laptop that I was having and actually added a lot of nice features.

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#3 2007-01-07 17:47:21

carrouf
Member
Registered: 2007-01-06
Posts: 34

Re: touchpad strange problems : compatibility or configuration ?

Here is a sample of my xorg.conf :

Section "ServerLayout"

# Serial Mouse not detected
# USB Mouse not detected
    Identifier     "Xorg Configured"
    Screen      0  "aticonfig-Screen[0]" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "PS/2 Mouse" "CorePointer"
    InputDevice    "Synaptics Mouse" "CorePointer"
EndSection

Section "Module"
    Load  "ddc"  # ddc probing of monitor
    Load  "dbe"
    Load  "dri"
    Load  "extmod"
    Load  "glx"
    Load  "bitmap" # bitmap-fonts
    Load  "type1"
    Load  "freetype"
    Load  "record"
EndSection

Section "ServerFlags"
    Option        "AllowMouseOpenFail" "true"
EndSection

Section "InputDevice"
    Identifier  "Synaptics Mouse"
        Driver        "synaptics"
    Option        "Device"          "/dev/psaux"
    Option        "Protocol"        "auto-dev"
    Option        "LeftEdge"        "1700"
    Option        "RightEdge"       "5300"
    Option        "TopEdge"         "1700"
    Option        "BottomEdge"      "4200"
    Option        "FingerLow"       "25"
    Option        "FingerHigh"      "30"
    Option        "MaxTapTime"      "180"
    Option        "MaxTapMove"      "220"
    Option        "VertScrollDelta" "100"
    Option        "MinSpeed"        "0.06"
    Option        "MaxSpeed"        "0.12"
    Option        "AccelFactor"     "0.0010"
    Option        "SHMConfig"       "true"
EndSection


Do you think I missed something in my xorg.conf ?
Do I need to load additional modules in my xorg.conf or rc.conf ?
Could it be a problem involving ati fglrx drivers ?

I am really confused.

Thanks/

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#4 2007-01-07 18:03:59

SiD
Member
From: Germany
Registered: 2006-09-21
Posts: 729

Re: touchpad strange problems : compatibility or configuration ?

the package "synaptics" is installed?

kernel modules evdev and psmouse are loaded?

add  to the module section of xorg.conf

Load "synaptics"

to figure out the device for the touchpad section run this

cat /proc/bus/input/devices

the device name is in the Handlers line of the Synaptics / ALPS block.

e.g.
H: Handlers=mouse0 event1

in this example case the Device Option is:

Option      "Device" "/dev/input/mouse0"

In the ServerLayout Section change one of the "CorePointer" entries to "AlwaysCore"
There is only one CorePointer allowed...

hope it helps you...

edit
if you speak or understand german have a look at this wink
http://wiki.archlinux.de/?title=Synapti … ad_Treiber

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#5 2007-01-07 22:58:07

carrouf
Member
Registered: 2007-01-06
Posts: 34

Re: touchpad strange problems : compatibility or configuration ?

Thank you for your help. My touchpad now seems to be working properly.

I decided to add a WIKI entry for the touchpad/synaptics configuration instructions, as I didn't find the answers you gave me browsing the topics. Feel free to give me your comments about it, or directly edit it if you find something that could be more accuretly precised :

http://wiki.archlinux.org/index.php/Touchpad_Synaptics


Thanks again.

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