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Earlier I've blogged on How to Work Around periodically occuring TrackPoint Thinkpad R61 issues on GNU / Linux . Actually I thought the fix I suggested there is working but I was wrong as the problems with the trackpoint reappeared at twice or thrice a day.
My suggested fix was the use of one script that does periodically change the trackpoint speed and sensitivity to certain numbers.
Originally I wrote the script has to be set to execute through crontab on a periods like:
0,30 * * * * /usr/sbin/restart_trackpoint.sh >/dev/null 2>&1
Actually the correct values for the crontab if you use my restart_trackpoint.sh script are:
0,5,10,15,20,25,30,35,40,45,50,55,58 * * * * /usr/sbin/restart_trackpoint.sh >/dev/null 2>&3
ig it has to be set the script is issued every 5 minutes to minimize the possibility for the Thinkpad trackpoint hang up issue.
One other thing that helps if trackpoint stucks is setting in /etc/rc.local is psmouse module to load with resetafter= parameter:
echo '/sbin/rmmod psmouse; /sbin/modprobe psmouse resetafter=30' >> /etc/rc.local