[Interest] qtquick externaldragdrop crashing on x11 (Ubuntu 13.10)

manish sharma 83.manish at gmail.com
Tue Apr 22 05:22:08 CEST 2014


Created a ticket for this
https://bugreports.qt-project.org/browse/QTBUG-38479

Regards,
Manish


On Mon, Apr 21, 2014 at 9:48 AM, manish sharma <83.manish at gmail.com> wrote:

> Hi,
>
> I ran externaldragdrop sample under qtdeclarative/examples/quick folder.
> And it crashed and below is the backtrace. The internal dragdrop sample
> works perfect.
>
> I was thinking to check here before logging a ticket.
>
> Regards,
> Manish
>
> (gdb) backtrace
> #0  0x00007ffff615602f in QCoreApplication::postEvent (receiver=0x1b16780,
> event=0x1ae7fb0, priority=0)
>     at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:1230
> #1  0x00007ffff6193160 in QObject::deleteLater (this=0x1b16780) at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qobject.cpp:2016
> #2  0x00007ffff20b4afa in QXcbDrag::handleFinished (this=0x62fa60,
> event=0x7fffe8003870)
>     at
> /home/manish/tools/qt/src/qtbase/src/plugins/platforms/xcb/qxcbdrag.cpp:1015
> #3  0x00007ffff20a5ea8 in QXcbConnection::handleClientMessageEvent
> (this=0x610e60, event=0x7fffe8003870)
>     at
> /home/manish/tools/qt/src/qtbase/src/plugins/platforms/xcb/qxcbconnection.cpp:1242
> #4  0x00007ffff20a4643 in QXcbConnection::handleXcbEvent (this=0x610e60,
> event=0x7fffe8003870)
>     at
> /home/manish/tools/qt/src/qtbase/src/plugins/platforms/xcb/qxcbconnection.cpp:844
> #5  0x00007ffff20a5d0f in QXcbConnection::processXcbEvents (this=0x610e60)
>     at
> /home/manish/tools/qt/src/qtbase/src/plugins/platforms/xcb/qxcbconnection.cpp:1213
> #6  0x00007ffff20d0efd in QXcbConnection::qt_static_metacall (_o=0x610e60,
> _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fffe8003340)
>     at .moc/moc_qxcbconnection.cpp:179
> #7  0x00007ffff619051f in QMetaCallEvent::placeMetaCall
> (this=0x7fffe8003910, object=0x610e60)
>     at /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qobject.cpp:487
> #8  0x00007ffff6191574 in QObject::event (this=0x610e60, e=0x7fffe8003910)
>     at /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qobject.cpp:1147
> #9  0x00007ffff6155b96 in QCoreApplicationPrivate::notify_helper
> (this=0x6062b0, receiver=0x610e60, event=0x7fffe8003910)
>     at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:998
> #10 0x00007ffff6155858 in QCoreApplication::notify (this=0x7fffffffdd40,
> receiver=0x610e60, event=0x7fffe8003910)
>     at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:943
> #11 0x00007ffff67dbfd8 in QGuiApplication::notify (this=0x7fffffffdd40,
> object=0x610e60, event=0x7fffe8003910)
>     at
> /home/manish/tools/qt/src/qtbase/src/gui/kernel/qguiapplication.cpp:1353
> #12 0x00007ffff6155760 in QCoreApplication::notifyInternal
> (this=0x7fffffffdd40, receiver=0x610e60, event=0x7fffe8003910)
>     at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:881
> #13 0x00007ffff61593cd in QCoreApplication::sendEvent (receiver=0x610e60,
> event=0x7fffe8003910)
>     at
> ../../include/QtCore/../../../../src/qtbase/src/corelib/kernel/qcoreapplication.h:232
> #14 0x00007ffff6156a60 in QCoreApplicationPrivate::sendPostedEvents
> (receiver=0x0, event_type=0, data=0x6063c0)
>     at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:1485
> #15 0x00007ffff61c9727 in QEventDispatcherUNIX::processEvents
> (this=0x61f8b0, flags=...)
>     at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:587
> #16 0x00007ffff215f08e in QUnixEventDispatcherQPA::processEvents
> (this=0x61f8b0, flags=...)
>     at
> /home/manish/tools/qt/src/qtbase/src/platformsupport/eventdispatchers/qunixeventdispatcher.cpp:70
> #17 0x00007ffff615254c in QEventLoop::processEvents (this=0x7fffffffdc90,
> flags=...)
>     at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qeventloop.cpp:136
> #18 0x00007ffff6152817 in QEventLoop::exec (this=0x7fffffffdc90, flags=...)
>     at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qeventloop.cpp:212
> #19 0x00007ffff6155e39 in QCoreApplication::exec () at
> /home/manish/tools/qt/src/qtbase/src/corelib/kernel/qcoreapplication.cpp:1134
>
>
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