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Thread: Randomly pasting last clipboard content at mouse, makes computer unusable

  1. #1
    Join Date
    Jun 2013
    Beans
    4

    Angry Randomly pasting last clipboard content at mouse, makes computer unusable

    A new issue just occurred that is making my ubuntu computer unusable, and I don't know if it is hardware or a bad update.
    Symptom: it keeps randomly pasting the last content of my clipboard every 0.5 second to 4 seconds. Wherever my cursor is located,it will draw focus there, and then start pasting.
    Other symptoms: typing 'e' non-stop, browser tabs will randomly open, randomly close, sometimes I can't select a browser tab, sometimes I can't bring up the HUD-display ( i.e., the "super" won't pop-up),but these are less common than the non-stop random pasting.
    This happens in my brower, emacs, other text-editors -- everywhere seemingly. It happens in Ubuntu Wayland, i3-wm, and Ubuntu Default

    Distributor ID: Ubuntu
    Description: Ubuntu 20.04.6 LTS
    Release: 20.04
    Codename: focal


    Even typing this message was very very challenging.
    I've never seen these before.
    How could I even start diagnosing what is wrong?
    I *think* it started after an update on Friday (Aug 26th 2023).


    Here are the most recent updates that I think may have caused the issue:


    Here are the most recent updates that I think may have caused the issue:
    pgrade: python3-distro-info:amd64 (0.23ubuntu1, 0.23ubuntu1.1), libgpgmepp6:amd64 (1.13.1-7ubuntu2, 1.13.1-7ubuntu2.1), python3-software-properties:amd64 (0.99.9.11, 0.99.9.12), libwbclient0:amd64 (2:4.15.13+dfsg-0ubuntu0.20.04.3, 2:4.15.13+dfsg-0ubuntu0.20.04.4), libgpgme11:amd64 (1.13.1-7ubuntu2, 1.13.1-7ubuntu2.1), libsnmp-base:amd64 (5.8+dfsg-2ubuntu2.7, 5.8+dfsg-2ubuntu2.9), software-properties-gtk:amd64 (0.99.9.11, 0.99.9.12), samba-libs:amd64 (2:4.15.13+dfsg-0ubuntu0.20.04.3, 2:4.15.13+dfsg-0ubuntu0.20.04.4), libsnmp35:amd64 (5.8+dfsg-2ubuntu2.7, 5.8+dfsg-2ubuntu2.9), distro-info:amd64 (0.23ubuntu1, 0.23ubuntu1.1), carla-bridge-win64:amd64 (5:2.6.0~git20230724.2, 5:2.6.0~git20230804), ufw:amd64 (0.36-6ubuntu1, 0.36-6ubuntu1.1), libsmbclient:amd64 (2:4.15.13+dfsg-0ubuntu0.20.04.3, 2:4.15.13+dfsg-0ubuntu0.20.04.4), carla-bridge-linux32:i386 (5:2.6.0~git20230724.2, 5:2.6.0~git20230804), python3-protonvpn-nm-lib:amd64 (3.14.0-1, 3.16.0-1), software-properties-common:amd64 (0.99.9.11, 0.99.9.12)
    End-Date: 2023-08-23 20:07:05

    Start-Date: 2023-08-26 07:08:33
    Commandline: /usr/bin/unattended-upgrade
    Upgrade: gcc-9-base:amd64 (9.4.0-1ubuntu1~20.04.1, 9.4.0-1ubuntu1~20.04.2), cpp-9:amd64 (9.4.0-1ubuntu1~20.04.1, 9.4.0-1ubuntu1~20.04.2), libgfortran-9-dev:amd64 (9.4.0-1ubuntu1~20.04.1, 9.4.0-1ubuntu1~20.04.2), libasan5:amd64 (9.4.0-1ubuntu1~20.04.1, 9.4.0-1ubuntu1~20.04.2), libstdc++-9-dev:amd64 (9.4.0-1ubuntu1~20.04.1, 9.4.0-1ubuntu1~20.04.2), g++-9:amd64 (9.4.0-1ubuntu1~20.04.1, 9.4.0-1ubuntu1~20.04.2), gcc-9:amd64 (9.4.0-1ubuntu1~20.04.1, 9.4.0-1ubuntu1~20.04.2), gfortran-9:amd64 (9.4.0-1ubuntu1~20.04.1, 9.4.0-1ubuntu1~20.04.2), libgcc-9-dev:amd64 (9.4.0-1ubuntu1~20.04.1, 9.4.0-1ubuntu1~20.04.2)
    End-Date: 2023-08-26 07:08:42
    Last edited by faraway1nspace; August 27th, 2023 at 03:01 PM.

  2. #2
    Join Date
    Jul 2005
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    I think I'm here! Maybe?
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    Distro
    Xubuntu 22.04 Jammy Jellyfish

    Re: Randomly pasting last clipboard content at mouse, makes computer unusable

    It almost sounds as if you have a sticky keyboard problem with Ctrl+V being repeated.

    Does the problem continue but with new repeated pasting if you copy something else with Ctrl+C?

  3. #3
    Join Date
    Jun 2013
    Beans
    4

    Re: Randomly pasting last clipboard content at mouse, makes computer unusable

    Yes to "the problem continue but with new repeated pasting if you copy something else with Ctrl+C?"
    but this behaviour happens in both emacs (where paste is ctrl-Y) as well a generic editors (where paste is ctrl-V)... So, I think that means it cannot literally be a sticky key issue
    Last edited by faraway1nspace; August 27th, 2023 at 03:12 PM.

  4. #4
    Join Date
    Jun 2013
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    4

    Re: Randomly pasting last clipboard content at mouse, makes computer unusable

    SOLVED (kinda):
    - this is what solved it for me: I went into: Setitings -> Mouse & Touchpad -> Toggle: Off touchpad. Then I plugged in an optical mouse and used it for a bit (during which the bad behaviour stopped). Then I turned back on the touchpad... behaviour disappeared for an hour so far...
    No Idea why that worked, but I guess I reset something pathological with the touchpad

  5. #5
    Join Date
    Dec 2014
    Beans
    2,586

    Re: Randomly pasting last clipboard content at mouse, makes computer unusable

    And to give you the reason: middle click on pointing devices is 'paste selection' (note that this is the selection, not the clipboard). If your touchpad is set to produce middle click for three-finger tap (like mine is), than that would explain the problem. It misread your hand touching the touchpad while typing as a three-finger tap.

    Holger

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