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    From kaizen@kaizen@myemail.com (kaizen) to alt.os.linux.ubuntu on Monday, February 17, 2020 20:40:54
    From Newsgroup: alt.os.linux.ubuntu

    On Fri, 21 Nov 2014 19:55:31 -0500, Paul wrote:

    MarkA wrote:
    I have a desktop system running Ubuntu 12.04.5 LTS. My pointing device
    is a Logitech Marbleman trackball, connect via USB port.

    The issue is that, when the ball is not moved of 30 seconds or longer,
    moving the ball is not detected right away. Pressing any of the
    buttons is immediately recognized, but the ball must be moved for a few
    seconds before it is recognized.

    I have used "evtest" to verify that no signal is being received by the
    evdev driver, which leads me to wonder if the issue is in the USB HID
    driver?

    Does anyone else use a Marbleman? If so, have you seen this behavior?


    They mention "Autosuspend" here.

    http://ubuntuforums.org/showthread.php?t=2037619

    Usually, a user has to tweak a few power management settings on a
    system, to get things the way they want. As the out of box OS may be set
    up to save as much power as possible. And sometimes a little compromise
    is called for, to make the system more usable.

    Paul

    Looks very promising. Thanks for the tip!

    --
    MarkA

    "It's called faith because it isn't knowledge" -- Christopher Hitchens
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