If you think it may be an ALPS touchpad, can you try the fix for ALPS detection
https://confluence.nau.edu/display/~<email address hidden>/Recognize+ALPS+Touchpad+on+Dell+E6510+in+Ubuntu
as mentioned in bug 754344
(Both that bug and the Xorg.0.log in bug 749508 show that there is a driver for at least some ALPS touchpads)
If you think it may be an ALPS touchpad, can you try the fix for ALPS detection
https:/ /confluence. nau.edu/ display/ ~<email address hidden> /Recognize+ ALPS+Touchpad+ on+Dell+ E6510+in+ Ubuntu
as mentioned in bug 754344
(Both that bug and the Xorg.0.log in bug 749508 show that there is a driver for at least some ALPS touchpads)