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Thread: instances crash .. but processes remain in background

  1. #1
    Join Date
    Mar 2011
    Location
    U.K.
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    Distro
    Ubuntu 22.04 Jammy Jellyfish

    instances crash .. but processes remain in background

    I have an annoying quirk on Ubuntu 12.04 where I'm running firefox and komodo editor .. with quite a few tabs open in firefox .. but suddenly on some event both firefox and komodo windows disappear .. but are still shown as background processes.

    If I run
    pidof firefox
    11971 4225


    this shows the firefox id's

    and then
    sudo kill -9 11971 4225
    kills both firefox instances (one firefox instance is a komodo editor previewing localhost apps under development)

    same applies with komodo editor
    pidof komodo
    5082
    sudo kill -9 5082

    I then have to restart
    firefox (which shows as a crashed session to restore)
    and komodo editor.

    How can I pin down the root cause to avoid restarting these crashed apps?

  2. #2
    Join Date
    Mar 2011
    Location
    U.K.
    Beans
    Hidden!
    Distro
    Ubuntu 22.04 Jammy Jellyfish

    Re: instances crash .. but processes remain in background

    Does this clue seen in command terminal point to any error?

    QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.

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