[Bug 260304] New: kded4 crash at KDE startup (linked to solid and tablet detection)

[Frédéric COIFFIER]

https://bugs.kde.org/show_bug.cgi?id=260304

           Summary: kded4 crash at KDE startup (linked to solid and tablet
                    detection)
           Product: kde
           Version: unspecified
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: frederic.coiffier at free.fr


Version:           unspecified (using KDE 4.5.85) 
OS:                Linux

During KDE session startup, kded4 crashes with the following backtrace :

Application: Démon de KDE (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  Solid::GenericInterface::property (this=0x0, key=...) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/solid/solid/genericinterface.cpp:48
#7  0x00007f0eb827b0c6 in Wacom::TabletDeamon::deviceAdded(QString const&) ()
from /usr/lib64/kde4/kded_tablet.so
#8  0x00007f0eb827bdee in Wacom::TabletDeamon::TabletDeamon(QObject*,
QList<QVariant> const&) () from /usr/lib64/kde4/kded_tablet.so
#9  0x00007f0eb827cbc7 in QObject*
KPluginFactory::createInstance<Wacom::TabletDeamon, QObject>(QWidget*,
QObject*, QList<QVariant> const&) () from /usr/lib64/kde4/kded_tablet.so
#10 0x00007f0ec320c180 in KPluginFactory::create (this=0x2051d40,
iface=0x7f0ec325eee0 "KDEDModule", parentWidget=<value optimized out>,
parent=0x1dfb6d0, args=..., keyword=<value optimized out>) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kdecore/util/kpluginfactory.cpp:203
#11 0x00007f0ebed51d9e in create<KDEDModule> (this=0x1dfb6d0, s=<value
optimized out>, onDemand=<value optimized out>) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kdecore/util/kpluginfactory.h:503
#12 Kded::loadModule (this=0x1dfb6d0, s=<value optimized out>, onDemand=<value
optimized out>) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kded/kded.cpp:392
#13 0x00007f0ebed53985 in Kded::initModules (this=0x1dfb6d0) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kded/kded.cpp:248
#14 0x00007f0ebed559be in KDEDApplication::newInstance (this=<value optimized
out>) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kded/kded.cpp:829
#15 0x00007f0ec372ce72 in KUniqueApplicationAdaptor::newInstance
(this=0x1ebfac0, asn_id=<value optimized out>, args=...) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kdeui/kernel/kuniqueapplication.cpp:436
#16 0x00007f0ec372d4d6 in KUniqueApplicationAdaptor::qt_metacall
(this=0x1ebfac0, _c=QMetaObject::InvokeMetaMethod, _id=1292334160,
_a=0x7fff4d0780a0) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85_build/kdeui/kuniqueapplication_p.moc:81
#17 0x000000379b425919 in ?? () from /usr/lib64/qt4/libQtDBus.so.4
#18 0x000000379b426ac6 in ?? () from /usr/lib64/qt4/libQtDBus.so.4
#19 0x000000379b427595 in ?? () from /usr/lib64/qt4/libQtDBus.so.4
#20 0x000000379b427828 in ?? () from /usr/lib64/qt4/libQtDBus.so.4
#21 0x0000003797b7e2ee in QObject::event(QEvent*) () from
/usr/lib64/qt4/libQtCore.so.4
#22 0x00000037989c9dd6 in QApplication::event(QEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#23 0x00000037989c74ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtGui.so.4
#24 0x00000037989cc8ed in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/qt4/libQtGui.so.4
#25 0x00007f0ec37255e6 in KApplication::notify (this=0x7fff4d0790a0,
receiver=0x7fff4d0790a0, event=0x1fcb880) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kdeui/kernel/kapplication.cpp:311
#26 0x0000003797b6c5eb in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/qt4/libQtCore.so.4
#27 0x0000003797b6f571 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib64/qt4/libQtCore.so.4
#28 0x0000003797b98b13 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#29 0x00007f0ec2af3391 in g_main_dispatch (context=0x1dff520) at gmain.c:2149
#30 g_main_context_dispatch (context=0x1dff520) at gmain.c:2702
#31 0x00007f0ec2af72c8 in g_main_context_iterate (context=0x1dff520,
block=<value optimized out>, dispatch=<value optimized out>, self=<value
optimized out>) at gmain.c:2780
#32 0x00007f0ec2af747c in g_main_context_iteration (context=0x1dff520,
may_block=1) at gmain.c:2843
#33 0x0000003797b98653 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/qt4/libQtCore.so.4
#34 0x0000003798a78dae in ?? () from /usr/lib64/qt4/libQtGui.so.4
#35 0x0000003797b6b342 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#36 0x0000003797b6b724 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4
#37 0x0000003797b6f79b in QCoreApplication::exec() () from
/usr/lib64/qt4/libQtCore.so.4
#38 0x00007f0ebed544aa in kdemain (argc=<value optimized out>, argv=<value
optimized out>) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kded/kded.cpp:907  
#39 0x00000000004080da in launch (argc=1, _name=<value optimized out>,
args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value
optimized out>, reset_env=false, tty=0x0, avoid_loops=false,
startup_id_str=0x40b42b "0") at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kinit/kinit.cpp:730 
#40 0x000000000040a01f in main (argc=<value optimized out>, argv=<value
optimized out>, envp=<value optimized out>) at
/var/tmp/portage/kde-base/kdelibs-4.5.85/work/kdelibs-4.5.85/kinit/kinit.cpp:1844 

Reproducible: Always

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