Dear kernel folks, in 2.6.29, the touchscreen is slightly broken. You can verify this with ts_calibrate and/or ts_test.
In ts_calibrate: You need to only press very shortly or multiple press events will get emitted. In ts_test: If you try to draw a longer line, keeping the stylus hold, you will first notice small holes in the line (bogus release events?), then the whole touchscreen will not react for one or two seconds. Mickey.
