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Old 11-18-2005, 11:39 AM   #1
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Laptop Touchpad


I have an Acer Travelmate 2700. I've just recently installed Fedora Core 4 and have been having some problems getting the synaptics touchpad to actually work. It works in windows and when i stick in the knoppix cd is works there too.

I've copied all the configuration files correctly (pretty sure) to xorg.conf and am still having no luck. I've created a couple of extra events in /dev/input/events* too see if that would help but no cigar. I have "SHMConfig" "on" in my xorg.conf and i'm also getting the error "Can't access shared memory" when trying to run synclient.

The module for "synaptics" seems to get loaded during the boot of X on system startup but it tells me it cannot open the device (/dev/input/mice, /dev/input/event*, /dev/psaux).

to be honest i've completely ran out of ideas and was wondering if anyone could shed some light on my problem. I've read many of the other touchpad problem posts on here and my config file always seems to look the same as everyone elses.


Old 11-18-2005, 02:37 PM   #2
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Please post the relevant section from your xorg.conf . Sounds like something silly isn't quite right, but could be a number of things without seeing your current config.
Old 11-19-2005, 08:26 AM   #3
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I also have synaptics loaded and have set it to core pointer. At the moment i'm having to use a usb mouse. works fine in Knoppix but i'm afraid it's because it's using XFree86.

Here is the relevant part of my config file. I've tried changing SHMConfig to "1", "on" and finally "true" to see if that'll work but to no avail.

Section "InputDevice"
Driver "synaptics"
Identifier "Mouse0"
Option "Device" "/dev/input/event2"
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"
#Option "Repeater" "/dev/input/mice"


Old 11-19-2005, 11:26 AM   #4
Registered: Aug 2004
Location: Philly
Distribution: Debian Lenny, FreeBSD
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Don't know if you looked at this already but here is a troubleshooting guide.

Also check your "ServerLayout" section for a line like this:

InputDevice "TouchPad" "AlwaysCore"

It is important that you use "AlwaysCore" here instead of "CorePointer" which can only be used for one device per system.

Peace V
Old 11-20-2005, 07:04 AM   #5
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Yes i've checked that. I followed it very carefully. I'm using kernel 2.6.14 and i can't seem to find any topics, tutorials or articles where someone has got it working on FC4 2.6.14 kernel.

Am i going to have to downgrade the kernel or xorg to xfree86 to fix this?

I did read a post on here about someone who said it was something to do with something not being able to load modules, but xorg seems to load the synaptics driver but fails at the config stage.




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