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Thread: Two finger scrolling erratic in 12.04

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  1. #1
    Join Date
    Nov 2006
    Location
    UK
    Beans
    17
    Distro
    Ubuntu 8.10 Intrepid Ibex

    Two finger scrolling erratic in 12.04

    Hi There

    I've just installed 12.04 on my Asus Zenbook UX31. In general everything worked perfectly out of the box. The only problem I have is the two finger scrolling on the touchpad. If I'm scrolling a long web page in Chrome it will jump around erratically.

    For example, it will scroll down about 10-20 lines smoothly and then suddenly jump right back to the top. If I keep scrolling in the same motion it may then jump back to the position I started scrolling from. Alternatively, sometimes the page position starts jumping around e.g. "bouncing" off the top of the page or flicking rapidly back and forth between two points.

    This also happens in some other applications such as Spotify. I tried switching to edge scrolling which is slightly smoother but I still see issues. Does anyone have any idea how I can fix this?

    Thanks for any help!

  2. #2
    Join Date
    Nov 2006
    Location
    UK
    Beans
    17
    Distro
    Ubuntu 8.10 Intrepid Ibex

    Re: Two finger scrolling erratic in 12.04

    Hmm from another thread I found it seems the latest "proposed" kernel may improve matters. Maybe I'll just have to hang tight and see what happens with that, unless anyone has any other ideas.

  3. #3
    Join Date
    Jan 2012
    Beans
    18

    Re: Two finger scrolling erratic in 12.04

    I found why, and I made a patch.

    You can find it here:
    http://ubuntuforums.org/showthread.php?t=2093793

    Or here:
    http://sentelic.pkbd.org

    When you have tried this, please tell me what version of the touchpad you are using. You should find it in the kernel log messages when loading the psmouse driver.

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