[karmic] Touch Screen Calibration

Nasa nasa01 at comcast.net
Mon Nov 16 11:41:35 UTC 2009


----- "Wolfgang" <yellowbird at gmx.at> wrote:

> I experienced the same problems on an Gigabyte T1028X Netbook: 
> calibration works but is lost after next reboot.
> What I found out about it:
> 
> The calibration software writes a file /etc/evtouch/config with the 
> calibration data. When looking in the logfile /var/log/Xorg.0.log it 
> seems that the driver does not use this configuration data, because 
> there were other values for MinX, MaxX etc. mentioned as there are in
> 
> the config file.
> 
> There is a startup-script /etc/init.d/xserver-xorg-input-evtouch.
> This script does not really load a daemon but sets only the 
> configuration data for the evtouch driver from the config file when 
> called with parameter "start" or no parameter. Other values (restart,
> 
> reload, stop) have no effect.
> During startup the script is called from the symlink 
> /etc/rc2.d/S25xserver-xorg-input-evtouch. It seems that at this time
> the 
> evtouch-driver is not running, and so the value setting does not
> work.
> 
> I renamed the link to /etc/rc2.d/S99xserver-xorg-input-evtouch so that
> 
> it will be started at a later time during boot, and then the
> calibration 
> data was recognized.
> 
> I'm not sure if this is the right solution or if it works under all 
> circumstances, but you can give it a try.
> 
Wolfgang,

Thanks for the suggestion....  I gave it a try, but it didn't work for me.
I did note that if I execute "/etc/rc2.d/S99xserver-xorg-input-evtouch start"
and restart the X server then the calibration returns.  Not sure how this helps
me, but I guess any hint is a start.

Nasa




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