[Bug 242902] New: kded4 crashes on launch

[Javier Conti]

https://bugs.kde.org/show_bug.cgi?id=242902

           Summary: kded4 crashes on launch
           Product: kde
           Version: unspecified
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: javier.conti at gmail.com


Version:           unspecified (using Devel) 
OS:                Linux

Application: kded4 ($Id: kded.cpp 1128583 2010-05-19 17:42:25Z aseigo $)
KDE Platform Version: 4.4.86 (KDE 4.4.86 (KDE 4.5 >= 20100616)) "release 3"
Qt Version: 4.6.3
Operating System: Linux 2.6.31.12-0.2-desktop x86_64
Distribution: "openSUSE 11.2 (x86_64)"

-- Information about the crash:
Everytime I start kded (and on KDE startup, when it's started automatically),
it crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#6  Solid::GenericInterface::property (this=0x0, key=...) at
/usr/src/debug/kdelibs-4.4.86svn1138650/solid/solid/genericinterface.cpp:47
#7  0x00007fb0dd2a8bf6 in Wacom::TabletDeamon::deviceAdded(QString const&) ()
from /usr/lib64/kde4/kded_tablet.so
#8  0x00007fb0dd2a991e in Wacom::TabletDeamon::TabletDeamon(QObject*,
QList<QVariant> const&) () from /usr/lib64/kde4/kded_tablet.so
#9  0x00007fb0dd2aa6f7 in QObject*
KPluginFactory::createInstance<Wacom::TabletDeamon, QObject>(QWidget*,
QObject*, QList<QVariant> const&) () from /usr/lib64/kde4/kded_tablet.so        
#10 0x00007fb0f2d5a1ec in KPluginFactory::create (this=0x8799b0,
iface=0x7fb0f2daace0 "KDEDModule", parentWidget=<value optimized out>,
parent=0x692970, args=..., keyword=<value optimized out>)                       
    at
/usr/src/debug/kdelibs-4.4.86svn1138650/kdecore/util/kpluginfactory.cpp:191     
#11 0x00007fb0e39e378e in create<KDEDModule> (args=<value optimized out>,
parent=<value optimized out>, this=<value optimized out>)                       
    at
/usr/src/debug/kdelibs-4.4.86svn1138650/kdecore/util/kpluginfactory.h:491       
#12 Kded::loadModule (args=<value optimized out>, parent=<value optimized out>,
this=<value optimized out>) at
/usr/src/debug/kdelibs-4.4.86svn1138650/kded/kded.cpp:381
#13 0x00007fb0e39e5405 in Kded::initModules (this=0x692970) at
/usr/src/debug/kdelibs-4.4.86svn1138650/kded/kded.cpp:239
#14 0x00007fb0e39e71e1 in KDEDApplication::newInstance (this=<value optimized
out>) at /usr/src/debug/kdelibs-4.4.86svn1138650/kded/kded.cpp:818
#15 0x00007fb0f3572536 in KUniqueApplicationAdaptor::newInstance
(this=0x834e40, asn_id=<value optimized out>, args=...)
    at
/usr/src/debug/kdelibs-4.4.86svn1138650/kdeui/kernel/kuniqueapplication.cpp:440
#16 0x00007fb0f3572b76 in KUniqueApplicationAdaptor::qt_metacall
(this=0x834e40, _c=InvokeMetaMethod, _id=-1458194784, _a=0x7fffa915c460)
    at
/usr/src/debug/kdelibs-4.4.86svn1138650/build/kdeui/kuniqueapplication_p.moc:81
#17 0x00007fb0efc3446e in ?? () from /usr/lib64/libQtDBus.so.4
#18 0x00007fb0efc3522f in ?? () from /usr/lib64/libQtDBus.so.4
#19 0x00007fb0efc35d0d in ?? () from /usr/lib64/libQtDBus.so.4
#20 0x00007fb0efc35fa8 in ?? () from /usr/lib64/libQtDBus.so.4
#21 0x00007fb0f282c949 in QObject::event(QEvent*) () from
/usr/lib64/libQtCore.so.4
#22 0x00007fb0f19c29ed in QApplication::event(QEvent*) () from
/usr/lib64/libQtGui.so.4
#23 0x00007fb0f19be7fc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQtGui.so.4
#24 0x00007fb0f19c4ddb in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQtGui.so.4
#25 0x00007fb0f356b246 in KApplication::notify (this=0x7fffa915d290,
receiver=0x7fffa915d290, event=0x692c50) at
/usr/src/debug/kdelibs-4.4.86svn1138650/kdeui/kernel/kapplication.cpp:302
#26 0x00007fb0f281cb1c in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/libQtCore.so.4
#27 0x00007fb0f28201d4 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#28 0x00007fb0f2846653 in ?? () from /usr/lib64/libQtCore.so.4
#29 0x00007fb0ee381dee in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#30 0x00007fb0ee3857b8 in ?? () from /usr/lib64/libglib-2.0.so.0
#31 0x00007fb0ee3858e0 in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#32 0x00007fb0f2846193 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQtCore.so.4
#33 0x00007fb0f1a6d21e in ?? () from /usr/lib64/libQtGui.so.4
#34 0x00007fb0f281b432 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQtCore.so.4
#35 0x00007fb0f281b80c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQtCore.so.4
#36 0x00007fb0f28204bb in QCoreApplication::exec() () from
/usr/lib64/libQtCore.so.4
#37 0x00007fb0e39e5f27 in kdemain (argc=<value optimized out>, argv=<value
optimized out>) at /usr/src/debug/kdelibs-4.4.86svn1138650/kded/kded.cpp:894
#38 0x0000000000407a18 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=0x40af23 "0") at
/usr/src/debug/kdelibs-4.4.86svn1138650/kinit/kinit.cpp:723
#39 0x000000000040995c in main (argc=<value optimized out>, argv=<value
optimized out>, envp=<value optimized out>) at
/usr/src/debug/kdelibs-4.4.86svn1138650/kinit/kinit.cpp:1835

This bug may be a duplicate of or related to bug 240270.

Possible duplicates by query: bug 240270.

Reproducible: Always

Steps to Reproduce:
On the CLI, launch "kded4".

Actual Results:  
$ kded4
virtual QStringList Solid::Backends::KUPnP::KUPnPManager::allDevices()  error: 
"org.freedesktop.DBus.Error.ServiceUnknown" 

KCrash: Attempting to start /usr/bin/kded4 from kdeinit
sock_file=/home/jco/.kde4/socket-ovo/kdeinit4__0
kded(10253): Communication problem with  "kded" , it probably crashed. 
Error message was:  "org.freedesktop.DBus.Error.NoReply" : " "Message did not
receive a reply (timeout by message bus)" " 

KCrash: Application 'kded4' crashing...
KCrash: Attempting to start /usr/lib64/kde4/libexec/drkonqi from kdeinit
sock_file=/home/jco/.kde4/socket-ovo/kdeinit4__0

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