On 2.6.22-20080123.4 and newer master kernels (specifically 2.6.22-20080123.4, 2.6.25-20080430.1, 2.6.25-20080501.2, and 2.6.25-20080501.3), the cursor cannot move from side to side with the touchpad, only up and down. Using a USB mouse works fine.
Here is an example X session: 1. start X, cursor is in the center of the screen; touchpad has not been touched 2. touch touchpad, cursor immediately jumps to the left side of the screen 3. move around on touchpad, cursor stays "stuck" to the left side of the screen, but moves up and down relative to how much vertical touchpad movement there is 4a. release finger from touchpad, cursor immediately jumps to the top-left corner of the screen (this may not be exactly the top-left corner, but it is always on the left-most column of pixels within the top 50-100 rows of pixels) 4b. move finger across right edge of touchpad, cursor moves very quickly from left to right across the screen (there appears to be a small area between the touchpad and the right third of the drawing pad where left to right motion is detected) Performing steps 2-4 consistently gives the same results within the same X session and across reboots. The cursor moves correctly using the touchpad on the 2.6.22-20070815.3 master kernel. When I get some time, I will look at the diffs between 20080123.4 and 20070815.3 to determine where the touchpad code changed so I can reduce the number of kernels I need to test to find the problem. If someone wants to do the code search for me, I won't be offended :). Denver _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel