Comment 16 for bug 705689

Yeah, I'm agreeing with Jani, that was a false trail. here's the new backtrace with ittt in the patch and unity-2d rebuilt against it:

(gdb) bt
#0 0x404fce2c in operator int (this=0xdf6ce0,
    parent=<value optimized out>)
    at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:85
#1 qt_metatype_id (this=0xdf6ce0, parent=<value optimized out>)
    at ../../include/QtGui/private/../../../src/gui/kernel/qgesture.h:56
#2 qt_metatype_id (this=0xdf6ce0, parent=<value optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qmetatype.h:169
#3 qMetaTypeId<Qt::GestureState> (this=0xdf6ce0,
    parent=<value optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qmetatype.h:230
#4 qRegisterMetaType<Qt::GestureState> (this=0xdf6ce0,
    parent=<value optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qmetatype.h:243
#5 QGestureManager::QGestureManager (this=0xdf6ce0,
    parent=<value optimized out>) at kernel/qgesturemanager.cpp:76
#6 0x404c108a in QGestureManager::instance ()
    at kernel/qapplication.cpp:5849
#7 0x404f0f0e in QWidget::grabGesture (this=<value optimized out>,
    gesture=Qt::PanGesture, flags=...) at kernel/qwidget.cpp:12079
#8 0x4079aba8 in QAbstractScrollAreaPrivate::init (this=0xddfd20)
    at widgets/qabstractscrollarea.cpp:299
#9 0x4079ac58 in QAbstractScrollArea::QAbstractScrollArea (
    this=0xbeac75ac, dd=<value optimized out>,
    parent=<value optimized out>) at widgets/qabstractscrollarea.cpp:493
#10 0x40893aac in QGraphicsView::QGraphicsView (this=0xbeac75ac,
    dd=<value optimized out>, parent=<value optimized out>)
    at graphicsview/qgraphicsview.cpp:1146
#11 0x40a96e4e in QDeclarativeView::QDeclarativeView (this=0xbeac75ac,
    parent=0x0) at util/qdeclarativeview.cpp:254
#12 0x0000cc76 in LauncherView::LauncherView() ()
#13 0x0000c2dc in main ()