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[Solved] Linux 64 bit Qt segmentation fault

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  • I Offline
    I Offline
    img_man
    wrote on 28 Aug 2013, 15:26 last edited by
    #1

    Hello,

    I'm having some trouble using Qt 5.1.0 or 5.1.1. The installers work fine, and I can use the installed version of qmake to create makefiles for the examples and build them. When I try to run any of the examples, they fail with a segmentation fault.

    I am able to install Qt 4.8.5 (using ./configure and make) and run it's examples without issue. Is there a known issue here?

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    • S Offline
      S Offline
      SGaist
      Lifetime Qt Champion
      wrote on 28 Aug 2013, 19:54 last edited by
      #2

      Hi,

      Where does the segmentation fault happen ?

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

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      • I Offline
        I Offline
        img_man
        wrote on 28 Aug 2013, 20:03 last edited by
        #3

        Here's the gdb trace.

        [Thread debugging using libthread_db enabled]
        Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
        [New Thread 0x7ffff0321700 (LWP 6650)]
        [New Thread 0x7fffe718e700 (LWP 6652)]
        [New Thread 0x7fffe698d700 (LWP 6653)]
        [New Thread 0x7fffdc939700 (LWP 6654)]

        Program received signal SIGSEGV, Segmentation fault.
        0x00007ffff509a5ae in glXGetFBConfigs () from /usr/lib/fglrx/libGL.so.1

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        • S Offline
          S Offline
          SGaist
          Lifetime Qt Champion
          wrote on 28 Aug 2013, 20:20 last edited by
          #4

          What linux flavor 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

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          • I Offline
            I Offline
            img_man
            wrote on 28 Aug 2013, 20:21 last edited by
            #5

            Ubuntu 12.04

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            • S Offline
              S Offline
              SGaist
              Lifetime Qt Champion
              wrote on 28 Aug 2013, 20:27 last edited by
              #6

              Can you build Qt 5 and try the example again ?

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

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              • I Offline
                I Offline
                img_man
                wrote on 28 Aug 2013, 20:56 last edited by
                #7

                Yep, in the process. Will post again soon with results.

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                • I Offline
                  I Offline
                  img_man
                  wrote on 28 Aug 2013, 23:12 last edited by
                  #8

                  The self-built version of Qt-5.1.0 appears to work correctly. I suggest somebody fix those installers...

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                  • S Offline
                    S Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on 29 Aug 2013, 08:19 last edited by
                    #9

                    The you need to report the problem on the interest mailing list, you'll find Qt's developer/maintainers there (this forum is more user oriented)

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

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                    1/9

                    28 Aug 2013, 15:26

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