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    Qt World Summit: Early-Bird Tickets

    [Linux] no QtCreator window after installing QT5.3.1

    Installation and Deployment
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    • L
      laludelala last edited by

      Hallo!

      I have installed Qt 5.3.1 from the offline installation binary on my Debian system.
      As I start the new qtcreator, I do not see any window appearing on the desktop.

      This morning, I at least had an GL error message which apparently solved by enabling DRI in my X11 setup.

      As I am quite new to the setup of the QT environment, I do not know where to start my search.
      Can you point me how to procede?

      @
      ludwig@oehhp14d:/mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin$ uname -a
      Linux oehhp14d 3.14-1-amd64 #1 SMP Debian 3.14.9-1 (2014-06-30) x86_64 GNU/Linux
      @

      @
      ludwig@oehhp14d:/mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin$ ldd qtcreator
      linux-vdso.so.1 (0x00007fffb1bfe000)
      libExtensionSystem.so.1 => /mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin/./../lib/qtcreator/libExtensionSystem.so.1 (0x00007f56d3c0d000)
      libQt5Widgets.so.5 => /mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin/./../lib/qtcreator/libQt5Widgets.so.5 (0x00007f56d33c9000)
      libQt5Network.so.5 => /mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin/./../lib/qtcreator/libQt5Network.so.5 (0x00007f56d3065000)
      libQt5Gui.so.5 => /mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin/./../lib/qtcreator/libQt5Gui.so.5 (0x00007f56d2942000)
      libQt5Core.so.5 => /mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin/./../lib/qtcreator/libQt5Core.so.5 (0x00007f56d220d000)
      libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f56d1fcb000)
      libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f56d1cc0000)
      libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f56d1aaa000)
      libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f56d1700000)
      libgobject-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 (0x00007f56d14af000)
      libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f56d11a6000)
      libX11.so.6 => /usr/lib/x86_64-linux-gnu/libX11.so.6 (0x00007f56d0e6b000)
      libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f56d0b6a000)
      libGL.so.1 => /usr/lib/libGL.so.1 (0x00007f56d081d000)
      libicui18n.so.52 => /mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin/./../lib/qtcreator/./libicui18n.so.52 (0x00007f56d03fd000)
      libicuuc.so.52 => /mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin/./../lib/qtcreator/./libicuuc.so.52 (0x00007f56d0075000)
      libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f56cfe70000)
      libgthread-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0 (0x00007f56cfc6e000)
      librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f56cfa66000)
      /lib64/ld-linux-x86-64.so.2 (0x00007f56d3e4c000)
      libffi.so.6 => /usr/lib/x86_64-linux-gnu/libffi.so.6 (0x00007f56cf85d000)
      libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f56cf601000)
      libxcb.so.1 => /usr/lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f56cf3e1000)
      libnvidia-tls.so.340.24 => /usr/lib/tls/libnvidia-tls.so.340.24 (0x00007f56cf1de000)
      libnvidia-glcore.so.340.24 => /usr/lib/libnvidia-glcore.so.340.24 (0x00007f56cc5cb000)
      libXext.so.6 => /usr/lib/x86_64-linux-gnu/libXext.so.6 (0x00007f56cc3b9000)
      libicudata.so.52 => /mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin/./../lib/qtcreator/././libicudata.so.52 (0x00007f56cab4d000)
      libXau.so.6 => /usr/lib/x86_64-linux-gnu/libXau.so.6 (0x00007f56ca949000)
      libXdmcp.so.6 => /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f56ca743000)
      @

      Saluti!

      Ludwig

      1 Reply Last reply Reply Quote 0
      • SGaist
        SGaist Lifetime Qt Champion last edited by

        Hi and welcome to devnet,

        What do you get if you launch Qt Creator directly from the console ?

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

        1 Reply Last reply Reply Quote 0
        • L
          laludelala last edited by

          Hallo!

          Thank you for the reply and the welcome.

          I simply get nothing.
          No window, no error message on the calling xterm and no return to the shell.

          Running with LIBGL_DEBUG=verbose does not print anything more than that nothing printed without.

          I have checked 5.3.1, 5.3.0 with qtcreator not showing anything.
          Version 5.0.2 seems to work.
          I did not yet check the versions between 5.0.2 and 5.3.0, this is something I can check tomorrow.

          Do you have any hint on how to locate the problem, what to look at?

          Saluti!

          Ludwig

          1 Reply Last reply Reply Quote 0
          • SGaist
            SGaist Lifetime Qt Champion last edited by

            What's the exact OS you are using ?

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

            1 Reply Last reply Reply Quote 0
            • L
              laludelala last edited by

              Hallo!

              I am running Debian (jessie) Linux:

              @
              ludwig@oehhp14d:/mnt/nts-projects/Qt5.3.1/Tools/QtCreator/bin$ uname -a
              Linux oehhp14d 3.14-1-amd64 #1 SMP Debian 3.14.9-1 (2014-06-30) x86_64 GNU/Linux
              @

              Saluti!

              Ludwig

              1 Reply Last reply Reply Quote 0
              • SGaist
                SGaist Lifetime Qt Champion last edited by

                Can you try again with the welcome screen plugin disabled ?

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

                1 Reply Last reply Reply Quote 0
                • L
                  laludelala last edited by

                  Hallo!

                  In the meantime, I have tried different QT releases from 5.0.2 on.
                  Apparently, 5.0.2 is the last one which works on my machine.

                  Starting qtcreator without the Welcome plugin does not change the result.

                  @
                  ludwig@oehhp14d:/mnt/nts-projects/nts/qt/Qt5.3.1/Tools/QtCreator/bin$ LIBGL_DEBUG=verbose ./qtcreator -noload Welcome
                  ^C
                  ludwig@oehhp14d:/mnt/nts-projects/nts/qt/Qt5.3.1/Tools/QtCreator/bin$
                  @

                  Question: what did change in QT 5.1.0?

                  SalutI!

                  Ludwig

                  1 Reply Last reply Reply Quote 0
                  • L
                    laludelala last edited by

                    Hallo!

                    Today, I have tried to run qtcreator with different backends.
                    Not one of the backends works as desired:

                    • abort with error messages (initialization failure, blabla)
                    • runs with error messages
                    • runs without error messages

                    The summary:

                    • eglfs: ABORT -> no /dev/fb0 device, no EGLConfig
                    • linuxfb: ABORT -> no framebuffer device, no screen initialized
                    • minimalegl: ABORT -> no EGLConfig
                    • minimal: RUNS WITH NO WINDOW -> plugin does not support "createPlatformOpenGLContext()" / "propagateSizeHints()"
                    • xcb: RUNS WITH NO WINDOW -> no error message at all

                    Is it possible minimal/xcb need some EGL setup or other runtime library which is not available on my systems and not identified by glxinfo?

                    @
                    ludwig@oehhp14d:/mnt/nts-projects/nts/qt/Qt5.3.1/Tools/QtCreator/bin$ ./qtcreator --platform help
                    This application failed to start because it could not find or load the Qt platform plugin "help".

                    Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, xcb.

                    Reinstalling the application may fix this problem.
                    Aborted
                    ludwig@oehhp14d:/mnt/nts-projects/nts/qt/Qt5.3.1/Tools/QtCreator/bin$ ./qtcreator --platform eglfs
                    EGLFS: Failed to open /dev/fb0
                    Debugger command invalid in kit Desktop
                    Cant find EGLConfig, returning null config
                    EGL Error : Could not create the egl surface: error = 0x3005

                    Aborted
                    ludwig@oehhp14d:/mnt/nts-projects/nts/qt/Qt5.3.1/Tools/QtCreator/bin$ ./qtcreator --platform linuxfb
                    Unable to figure out framebuffer device. Specify it manually.
                    linuxfb: Failed to initialize screen
                    no screens available, assuming 24-bit color
                    QPainter::begin: Paint device returned engine == 0, type: 2
                    QPainter::end: Painter not active, aborted
                    QPainter::begin: Paint device returned engine == 0, type: 2
                    QPainter::begin: Paint device returned engine == 0, type: 2
                    Cannot create window: no screens available
                    Aborted
                    ludwig@oehhp14d:/mnt/nts-projects/nts/qt/Qt5.3.1/Tools/QtCreator/bin$ ./qtcreator --platform minimal
                    Debugger command invalid in kit Desktop
                    This plugin does not support propagateSizeHints()
                    This plugin does not support createPlatformOpenGLContext!
                    This plugin does not support propagateSizeHints()
                    This plugin does not support propagateSizeHints()
                    ^C
                    ludwig@oehhp14d:/mnt/nts-projects/nts/qt/Qt5.3.1/Tools/QtCreator/bin$ ./qtcreator --platform minimalegl
                    Opened display 0x1

                    Initialized display 1 4

                    Cant find EGLConfig, returning null config
                    Could not create the egl surface: error = 0x3005

                    EGL error
                    Aborted
                    ludwig@oehhp14d:/mnt/nts-projects/nts/qt/Qt5.3.1/Tools/QtCreator/bin$ ./qtcreator --platform xcb
                    "Warning reading /home/ludwig/.config/QtProject/qtcreator/profiles.xml:12: Failed to read element "value"."
                    "Warning reading /home/ludwig/.config/QtProject/qtcreator/profiles.xml:35: Failed to read element "value"."
                    "Warning reading /home/ludwig/.config/QtProject/qtcreator/profiles.xml:12: Failed to read element "value"."
                    "Warning reading /home/ludwig/.config/QtProject/qtcreator/profiles.xml:35: Failed to read element "value"."
                    ^C
                    ludwig@oehhp14d:/mnt/nts-projects/nts/qt/Qt5.3.1/Tools/QtCreator/bin$
                    @

                    1 Reply Last reply Reply Quote 0
                    • SGaist
                      SGaist Lifetime Qt Champion last edited by

                      What desktop environment/window manager are you using ?

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

                      1 Reply Last reply Reply Quote 0
                      • L
                        laludelala last edited by

                        Hallo!

                        I use a traditional icewm on three boxes, all showing the same behaviour:

                        • amd64 / nVidia
                        • amd64 / intel
                        • i386 / ATI

                        Saluti!

                        Ludwig

                        1 Reply Last reply Reply Quote 0
                        • L
                          laludelala last edited by

                          Hallo!

                          I have found a bug report I will check today.
                          https://bugreports.qt-project.org/browse/QTBUG-32269

                          Saluti!

                          Ludwig

                          1 Reply Last reply Reply Quote 0
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