Hello,

i have the same problem on 10.04 
"ldd -d -r /usr/lib/libQt*.so.4 | grep undefined" gives the following 

undefined symbol: _Z9qBadAllocv (/usr/lib/libQtXml.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtSql.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtSql.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN14QWidgetPrivate15checkWindowRoleEv        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK9QMenuItem10metaObjectEv  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QMenuItem11qt_metacastEPKc        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QMenuItem11qt_metacallEN11QMetaObject4CallEiPPv   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZTI9QMenuItem        (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZTV9QMenuItem        (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN6QTimerC1EP7QObjectPKc     (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QWidget5eraseERK7QRegion  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN12QCustomEventC1EiPv       (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QPixmapC1ERK6QImage       (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QPushButtonC1EP7QWidgetPKc       
(/usr/lib/libQt3Support.so.4)
undefined symbol: 
_ZN6QLabelC1ERK7QStringP7QWidgetPKc6QFlagsIN2Qt10WindowTypeEE(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QToolButton13setPopupDelayEi     
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK17QContextMenuEvent5stateEv       
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QGridLayoutC2EP7QWidgetiiiiPKc   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN15QSocketNotifierC1EiNS_4TypeEP7QObjectPKc 
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN5QMenu10insertItemEP9QMenuItemii   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK7QWidget14backgroundModeEv        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK10QTextCodec11fromUnicodeERK7QStringRi    
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN6QTimer5startEib   (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK7QWidget11visibleRectEv   (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QPushButtonC1ERK7QStringP7QWidgetPKc     
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK7QString12ascii_helperEv  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK8QPalette16createColorGroupENS_10ColorGroupE      
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN4QDir15setMatchAllDirsEb   (/usr/lib/libQt3Support.so.4)
undefined symbol: 
_ZN6QLabelC1EP7QWidgetRK7QStringS1_PKc6QFlagsIN2Qt10WindowTypeEE      
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QDialogC2EP7QWidgetPKcb6QFlagsIN2Qt10WindowTypeEE 
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QMenuItemC2Ev     (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN8QSpinBoxC1EiiiP7QWidgetPKc        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK7QObject9queryListEPKcS1_bb       
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QGridLayoutC1EP7QWidgetiiiiPKc   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QIODevice11resetStatusEv  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK8QPainter12translationXEv (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QTextStream11setEncodingENS_8EncodingE   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK10QDropEvent6actionEv     (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QMouseEventC1EN6QEvent4TypeERK6QPointS4_ii       
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QComboBoxC1EP7QWidgetPKc  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN6QFrameC1EP7QWidgetPKc6QFlagsIN2Qt10WindowTypeEE   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QLineEditC1EP7QWidgetPKc  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK10QClipboard4dataENS_4ModeE       
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN6QImageC1EiiiiNS_6EndianE  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK5QIcon6pixmapEv   (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK5QMenu15findActionForIdEi (/usr/lib/libQt3Support.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QWheelEventC1ERK6QPointS2_iiN2Qt11OrientationE   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK6QBrush6pixmapEv  (/usr/lib/libQt3Support.so.4)
undefined symbol: 
_ZN5QMenu9insertAnyEPK5QIconPK7QStringPK7QObjectPKcPK12QKeySequencePKS_ii     
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK7QObject5childEPKcS1_b    (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QWidget12erase_helperEiiii        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK7QString13latin1_helperEv (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK8QPainter12translationYEv (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN10QClipboard7setDataEP11QMimeSourceNS_4ModeE       
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QObjectC2EPS_PKc  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QVBoxLayoutC1EP7QWidgetiiPKc     
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QToolButtonC1EP7QWidgetPKc       
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QRegionC1ERK8QPolygonb    (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QLineEdit14validateAndSetERK7QStringiii   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK10QTextCodec9toUnicodeERK10QByteArrayi    
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK5QMenu15findIdForActionEP7QAction 
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN6QLabelC1EP7QWidgetPKc6QFlagsIN2Qt10WindowTypeEE   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN10QBoxLayoutC1EP7QWidgetNS_9DirectionEiiPKc        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN5QMenu9findPopupEPS_Pi     (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK11QColorGroupeqERKS_      (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QMouseEventC1EN6QEvent4TypeERK6QPointii  
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QSplitterC1EP7QWidgetPKc  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK6QImage14hasAlphaBufferEv (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QHBoxLayoutC1EP7QWidgetiiPKc     
(/usr/lib/libQt3Support.so.4)
undefined symbol: 
_ZN15QAbstractButtonC2EP7QWidgetPKc6QFlagsIN2Qt10WindowTypeEE(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QHBoxLayoutC1EP7QLayoutiPKc      
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK9QFileInfo3dirEb  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QGridLayoutC1EiiiPKc     (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QWidgetC2EPS_PKc6QFlagsIN2Qt10WindowTypeEE        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN4QDir13setNameFilterERK7QString    
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN10QWhatsThis15whatsThisButtonEP7QWidget    
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN5QMenu15insertSeparatorEi  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK12QPaintDevice9x11ScreenEv        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZNK11QToolButton10popupDelayEv       
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QGridLayout6expandEii    (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QCheckBoxC1EP7QWidgetPKc  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QGroupBoxC2EP7QWidgetPKc  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QDataStreamC1EP10QByteArrayi     
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN10QScrollBarC1EN2Qt11OrientationEP7QWidgetPKc      
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QWidgetC1EPS_PKc6QFlagsIN2Qt10WindowTypeEE        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN5QMenu5setIdEii    (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN17QContextMenuEventC1ENS_6ReasonERK6QPointS3_i     
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN10QTabWidgetC1EP7QWidgetPKc6QFlagsIN2Qt10WindowTypeEE      
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QComboBoxC1EbP7QWidgetPKc (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QPixmap13resize_helperERK5QSize   
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QWidget17setBackgroundModeEN2Qt14BackgroundModeES1_       
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN10QWhatsThis6removeEP7QWidget      
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN10QWhatsThis3addEP7QWidgetRK7QString       
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN10QStatusBarC1EP7QWidgetPKc        
(/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN7QLayout10setAutoAddEb     (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN9QLineEditC2EP7QWidgetPKc  (/usr/lib/libQt3Support.so.4)
undefined symbol: _ZN11QHBoxLayoutC1EiPKc       (/usr/lib/libQt3Support.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtCLucene.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtXml.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtDBus.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtDBus.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtScript.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtScript.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtDesigner.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtXml.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtDesignerComponents.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtXml.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtScript.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtScript.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtDesigner.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib16staticMetaObjectE  
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib16hasPendingEventsEv 
(/usr/lib/libQtGui.so.4)
undefined symbol: 
_ZN20QEventDispatcherGlib22registerSocketNotifierEP15QSocketNotifier  
(/usr/lib/libQtGui.so.4)
undefined symbol: 
_ZN20QEventDispatcherGlib24unregisterSocketNotifierEP15QSocketNotifier        
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib13registerTimerEiiP7QObject  
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib15unregisterTimerEi  
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib16unregisterTimersEP7QObject 
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZNK20QEventDispatcherGlib16registeredTimersEP7QObject        
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib6wakeUpEv    (/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib9interruptEv (/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib5flushEv     (/usr/lib/libQtGui.so.4)
undefined symbol: _ZTI20QEventDispatcherGlib    (/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib16versionSupportedEv 
(/usr/lib/libQtGui.so.4)
undefined symbol: 
_ZN20QEventDispatcherGlibC2ER27QEventDispatcherGlibPrivateP7QObject   
(/usr/lib/libQtGui.so.4)
undefined symbol: 
_ZN20QEventDispatcherGlib11qt_metacallEN11QMetaObject4CallEiPPv       
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlibC1EP7QObject (/usr/lib/libQtGui.so.4)
undefined symbol: _ZN11QDataStreamC1EP10QByteArrayi     (/usr/lib/libQtGui.so.4)
undefined symbol: 
_ZN27QEventDispatcherGlibPrivate31runTimersOnceWithNormalPriorityEv   
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlibD2Ev (/usr/lib/libQtGui.so.4)
undefined symbol: _ZN27QEventDispatcherGlibPrivateC2EP13_GMainContext   
(/usr/lib/libQtGui.so.4)
undefined symbol: _ZN20QEventDispatcherGlib11qt_metacastEPKc    
(/usr/lib/libQtGui.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtGui.so.4)
undefined symbol: 
_ZN14QObjectPrivate32removePendingChildInsertedEventsEP7QObject       
(/usr/lib/libQtGui.so.4)
undefined symbol: 
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
   (/usr/lib/libQtGui.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtCLucene.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtSql.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtSql.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtHelp.so.4)
undefined symbol: _ZN11QDataStreamC1EP10QByteArrayi     
(/usr/lib/libQtHelp.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtMultimedia.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtNetwork.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN11QDataStreamC1EP10QByteArrayi     
(/usr/lib/libQtNetwork.so.4)
undefined symbol: _ZN14QWidgetPrivate15checkWindowRoleEv        
(/usr/lib/libQtOpenGL.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtOpenGL.so.4)
undefined symbol: 
_ZN24QImagePixmapCleanupHooks31removePixmapDataDestructionHookEPFvP11QPixmapDataE
     (/usr/lib/libQtOpenGL.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtOpenGL.so.4)
undefined symbol: 
_ZN24QImagePixmapCleanupHooks29addPixmapDataModificationHookEPFvP11QPixmapDataE 
      (/usr/lib/libQtOpenGL.so.4)
undefined symbol: 
_ZN24QImagePixmapCleanupHooks28addPixmapDataDestructionHookEPFvP11QPixmapDataE  
      (/usr/lib/libQtOpenGL.so.4)
undefined symbol: 
_ZN24QImagePixmapCleanupHooks32removePixmapDataModificationHookEPFvP11QPixmapDataE
    (/usr/lib/libQtOpenGL.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtScript.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtScript.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtScript.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtScript.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtScriptTools.so.4)
undefined symbol: _ZN14QWidgetPrivate15checkWindowRoleEv        
(/usr/lib/libQtScriptTools.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtSql.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtSql.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtSvg.so.4)
undefined symbol: _ZN14QWidgetPrivate15checkWindowRoleEv        
(/usr/lib/libQtSvg.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtSvg.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtTest.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtXml.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtDBus.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtDBus.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtXmlPatterns.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtXmlPatterns.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libphonon.so.4)
undefined symbol: _ZN11QDataStreamC1EP10QByteArrayi     
(/usr/lib/libphonon.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtWebKit.so.4)
undefined symbol: _ZN14QObjectPrivate15checkWindowRoleEv        
(/usr/lib/libQtXmlPatterns.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtXmlPatterns.so.4)
undefined symbol: _Z9qBadAllocv (/usr/lib/libQtXml.so.4)

Did anyone stumble upon a solution yet? This seems to be screwed up big time.
I have no beid or any software providing its own qt4 libs installed (at least 
none that i know of)

Please help, this is so annoying ...
Cheers, Nix

-- 
You received this bug notification because you are a member of Kubuntu
Bugs, which is subscribed to qt4-x11 in Ubuntu.
https://bugs.launchpad.net/bugs/115970

Title:
  qt4 apps doesn't start with symbol lookup error

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