I did a fresh install of Ubuntu 9.10 on my thinkpad T400, and put the following two lines in my /etc/rc.local to adjust the trackpoint speed and sensitivity:
It worked perfectly, but after I see the update-notifier pop up and did the upgrade (including kenel from 2.6.31-14 to 2.6.31-16). After reboot, I find the /etc/rc.local is not executed. But manually issue the /etc/rc.local in terminal works flawlessly.
echo -n 120 > /sys/devices/platform/i8042/serio1/serio2/speed
echo -n 250 > /sys/devices/platform/i8042/serio1/serio2/sensitivity
I tried to debug it by putting a line like "mkidr /home/Mark/test" before exit 0, then after reboot the folder test is not made, but issue command in terminal will have the folder test made.
I suspect that when at boot up, the system encounter problems when trying to echo the number into the devices, thus stopped. I don't know what to do, please help.