QT Designer segfaults on Mac OS X 10.7



  • Hello,

    I installed QT from the .dmg file provided on this website. As well, I tried with a version compiled by myself. In both cases, I can’t start the QT Designer because it segfaults on startup.

    Here is what gives gdb output:

    Program received signal EXC_BAD_ACCESS, Could not access memory.
    Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000008
    0x0000000100d6e4cb in QObject::moveToThread ()
    (gdb) bt
    #0 0x0000000100d6e4cb in QObject::moveToThread ()
    #1 0x0000000106bba98b in QDBusDefaultConnection::QDBusDefaultConnection ()
    #2 0x0000000106bb9bdf in QDBusConnection::sessionBus ()
    #3 0x0000000102d9028d in Phonon::FactoryPrivate::FactoryPrivate ()
    #4 0x0000000102d904d5 in Phonon::$_249::operator-> ()
    #5 0x0000000102d90991 in Phonon::Factory::registerFrontendObject ()
    #6 0x0000000102d9927e in Phonon::MediaNodePrivate::MediaNodePrivate ()
    #7 0x0000000102d8aaaa in Phonon::AudioOutputPrivate::AudioOutputPrivate ()
    #8 0x0000000102d8754e in Phonon::AudioOutput::AudioOutput ()
    #9 0x0000000102da6495 in Phonon::VideoPlayerPrivate::init ()
    #10 0x0000000102da6b64 in Phonon::VideoPlayer::VideoPlayer ()
    #11 0x0000000101fdee97 in non-virtual thunk to VideoPlayerPlugin::createWidget(QWidget*) ()
    #12 0x000000010052fdab in qdesigner_internal::WidgetFactory::createCustomWidget ()
    #13 0x0000000100530520 in qdesigner_internal::WidgetFactory::createWidget ()
    #14 0x0000000100535a8c in qdesigner_internal::WidgetDataBase::defaultPropertyValues ()
    #15 0x0000000100535cf2 in qdesigner_internal::WidgetDataBase::grabDefaultPropertyValues ()
    #16 0x000000010001ebc1 in QDesignerWorkbench::QDesignerWorkbench ()
    #17 0x0000000100016dcb in QDesigner::initialize ()
    #18 0x0000000100015fdb in QDesigner::QDesigner ()
    #19 0x0000000100015ea4 in main ()

    Shall I fill a bug report ? Anyone could help me start QT Designer ?



  • Same here. Designer will not launch. Both 10.7.2 and 10.7.3. All other Qt apps launch.

    4.8.0 Open Source .dmg install.



  • Moving the libphononwidgets.dylib plugin out of the '/Developer/Applications/Qt/plugins/designer' folder allows Designer to launch.

    Reported as bug QTBUG-24432.

    [EDIT: fixed jira link, Volker]


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