[Bug 268061] New: kded4 always segfaults on login after upgrade to 4.6.1

Edward Hughes IV echughesiv at gmail.com
Wed Mar 9 14:57:21 GMT 2011 

https://bugs.kde.org/show_bug.cgi?id=268061

           Summary: kded4 always segfaults on login after upgrade to 4.6.1
           Product: kde
           Version: 4.6
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: echughesiv at gmail.com


Version:           4.6 (using KDE 4.6.1) 
OS:                Linux

Immediately after the desktop appears upon login a crash reporting window
appears alerting me of kded4's crash.  This has been happening upon every login
since I upgraded to 4.6.1 with the Kubuntu 10.10 PPA (x86_64).

When attempting to start from command line I get same results.  As expected,
many KDE services are unavailable or complain that kded cannot be contacted.

Reproducible: Always

Steps to Reproduce:
Login



Backtrace:


Application: KDE Daemon (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7feaf91d1760 (LWP 2736))]

Thread 2 (Thread 0x7feadfefa700 (LWP 2739)):
#0  0x00007feaf69fc203 in __poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007feaf3e49009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007feaf3e4945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007feaf7e281e6 in QEventDispatcherGlib::processEvents (this=0xb48320,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007feaf7dfaa02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007feaf7dfadec in QEventLoop::exec (this=0x7feadfef9db0, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007feaf7d052fd in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#7  0x00007feaf7dda5f8 in QInotifyFileSystemWatcherEngine::run (this=0xb47bc0)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007feaf7d0827e in QThreadPrivate::start (arg=0xb47bc0) at
thread/qthread_unix.cpp:266
#9  0x00007feaf44fb971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#10 0x00007feaf6a0892d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7feaf91d1760 (LWP 2736)):
[KCrash Handler]
#6  Solid::GenericInterface::property (this=0x0, key=...) at
../../../solid/solid/genericinterface.cpp:48
#7  0x00007feae1cacca6 in Wacom::TabletDeamon::deviceAdded(QString const&) ()
from /usr/lib/kde4/kded_tablet.so
#8  0x00007feae1cad9ce in Wacom::TabletDeamon::TabletDeamon(QObject*,
QList<QVariant> const&) () from /usr/lib/kde4/kded_tablet.so
#9  0x00007feae1cae7a7 in QObject*
KPluginFactory::createInstance<Wacom::TabletDeamon, QObject>(QWidget*,
QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kded_tablet.so
#10 0x00007feaf83759c1 in KPluginFactory::create (this=0xa793f0,
iface=0x7feaf83c8d60 "KDEDModule", parentWidget=<value optimized out>,
parent=0x9d4d00, args=..., keyword=<value optimized out>) at
../../kdecore/util/kpluginfactory.cpp:203
#11 0x00007feae8f1d43e in create<KDEDModule> (this=0x9d4d00, s=<value optimized
out>, onDemand=<value optimized out>) at
../../kdecore/util/kpluginfactory.h:503
#12 Kded::loadModule (this=0x9d4d00, s=<value optimized out>, onDemand=<value
optimized out>) at ../../kded/kded.cpp:410
#13 0x00007feae8f1ecb5 in Kded::initModules (this=0x9d4d00) at
../../kded/kded.cpp:269
#14 0x00007feae8f20df1 in KDEDApplication::newInstance (this=<value optimized
out>) at ../../kded/kded.cpp:847
#15 0x00007feaf8bc4b42 in KUniqueApplicationAdaptor::newInstance
(this=0xaa0bc0, asn_id=<value optimized out>, args=...) at
../../kdeui/kernel/kuniqueapplication.cpp:436
#16 0x00007feaf8bc51a6 in KUniqueApplicationAdaptor::qt_metacall
(this=0xaa0bc0, _c=QMetaObject::InvokeMetaMethod, _id=-938355712,
_a=0x7fffc811e210) at ./kuniqueapplication_p.moc:81
#17 0x00007feaf54230ee in QDBusConnectionPrivate::deliverCall (this=<value
optimized out>, object=<value optimized out>, msg=<value optimized out>,
metaTypes=..., slotIdx=<value optimized out>) at qdbusintegrator.cpp:919
#18 0x00007feaf542436f in QDBusConnectionPrivate::activateCall (this=<value
optimized out>, object=0xaa0bc0, flags=337, msg=...) at qdbusintegrator.cpp:822
#19 0x00007feaf5424e65 in QDBusConnectionPrivate::activateObject (this=<value
optimized out>, node=<value optimized out>, msg=..., pathStartPos=<value
optimized out>) at qdbusintegrator.cpp:1379
#20 0x00007feaf5425108 in QDBusActivateObjectEvent::placeMetaCall
(this=0xa48d10) at qdbusintegrator.cpp:1493
#21 0x00007feaf7e0dbde in QObject::event (this=0x7fffc811f060,
e=0x7fffc811d400) at kernel/qobject.cpp:1219
#22 0x00007feaf7166186 in QApplication::event (this=0x7fffc811f060, e=0xa48d10)
at kernel/qapplication.cpp:2439
#23 0x00007feaf7162fdc in QApplicationPrivate::notify_helper (this=0x9d5fe0,
receiver=0x7fffc811f060, e=0xa48d10) at kernel/qapplication.cpp:4396
#24 0x00007feaf7168aed in QApplication::notify (this=0x7fffc811f060,
receiver=0x7fffc811f060, e=0xa48d10) at kernel/qapplication.cpp:4277
#25 0x00007feaf8bbd2c6 in KApplication::notify (this=0x7fffc811f060,
receiver=0x7fffc811f060, event=0xa48d10) at
../../kdeui/kernel/kapplication.cpp:311
#26 0x00007feaf7dfbcdc in QCoreApplication::notifyInternal
(this=0x7fffc811f060, receiver=0x7fffc811f060, event=0xa48d10) at
kernel/qcoreapplication.cpp:732
#27 0x00007feaf7dfec22 in sendEvent (receiver=0x0, event_type=<value optimized
out>, data=0x8c7b00) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value
optimized out>, data=0x8c7b00) at kernel/qcoreapplication.cpp:1373
#29 0x00007feaf7e28653 in sendPostedEvents (s=0x9d9a40) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#30 postEventSourceDispatch (s=0x9d9a40) at
kernel/qeventdispatcher_glib.cpp:277
#31 0x00007feaf3e45342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#32 0x00007feaf3e492a8 in ?? () from /lib/libglib-2.0.so.0
#33 0x00007feaf3e4945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#34 0x00007feaf7e28193 in QEventDispatcherGlib::processEvents (this=0x8c9cf0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#35 0x00007feaf7215a4e in QGuiEventDispatcherGlib::processEvents
(this=0x7fffc811d400, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007feaf7dfaa02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#37 0x00007feaf7dfadec in QEventLoop::exec (this=0x7fffc811efb0, flags=) at
kernel/qeventloop.cpp:201
#38 0x00007feaf7dfeebb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1009
#39 0x00007feae8f1f8c7 in kdemain (argc=<value optimized out>, argv=<value
optimized out>) at ../../kded/kded.cpp:925
#40 0x0000000000407973 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=0x40aefb "0") at ../../kinit/kinit.cpp:746
#41 0x0000000000409ac3 in main (argc=<value optimized out>, argv=<value
optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1861

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