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The X11 connection broke (error 1) when using qt5.15.2 on ubuntu22.04

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  • M Offline
    M Offline
    Mraz.misery
    wrote on last edited by
    #1

    When I run the GUI program developed with Qt5.15.2 I get an error: The X11 connection broke (error 1). Did the X11 server die? Then all the GUI programs crashed.I don't know if the problem is coming from the operating system or Qt or x11 itself.

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi and welcome to devnet,

      Are you using the Qt version that comes from your distribution ?

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

      C 1 Reply Last reply
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      • SGaistS SGaist

        Hi and welcome to devnet,

        Are you using the Qt version that comes from your distribution ?

        C Offline
        C Offline
        ChrisW67
        wrote on last edited by
        #3

        The current version in Ubuntu 22.04 is Qt 5.15.3, so possibly not.

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