Bug 331468

Application: plasma-windowed (0.1)
KDE Platform Version: 4.12.2
Qt Version: 4.8.6
Operating System: Linux 3.11.0-18-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
Try to add WICD to system tray or to desktop
- Unusual behavior I noticed:
Plama crash, desktop became black, after few second, back OK.

The crash can be reproduced every time.

-- Backtrace:
Application: Shell degli oggetti di Plasma (plasma-windowed), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f06843937c0 (LWP 7197))]

Thread 2 (Thread 0x7f065f732700 (LWP 7198)):
#0  0x00007f06829d898a in idleTimerSourcePrepare (source=<optimized out>, timeout=0x7f065f731bb4) at kernel/qeventdispatcher_glib.cpp:217
#1  0x00007f0679e0ad4d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0679e0b5c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0679e0b7ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f06829d8af6 in QEventDispatcherGlib::processEvents (this=0x7f06580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#5  0x00007f06829aa30f in QEventLoop::processEvents (this=this@entry=0x7f065f731d70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f06829aa605 in QEventLoop::exec (this=this@entry=0x7f065f731d70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f06828a6c4f in QThread::exec (this=this@entry=0x16f5720) at thread/qthread.cpp:537
#8  0x00007f068298ba33 in QInotifyFileSystemWatcherEngine::run (this=0x16f5720) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f06828a931f in QThreadPrivate::start (arg=0x16f5720) at thread/qthread_unix.cpp:349
#10 0x00007f067a4d4f6e in start_thread (arg=0x7f065f732700) at pthread_create.c:311
#11 0x00007f0683e069cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f06843937c0 (LWP 7197)):
[KCrash Handler]
#6  ref (this=0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:121
#7  QString::operator= (this=0x7fff7bc1c300, other=...) at tools/qstring.cpp:1410
#8  0x00007f065e06e5da in ?? () from /usr/lib/kde4/plasma_engine_wicd.so
#9  0x00007f0683926671 in Plasma::DataEngineManager::loadEngine (this=0x161b9e0, name=...) at ../../plasma/dataenginemanager.cpp:140
#10 0x00007f0683957a6b in Plasma::DataEngineConsumer::dataEngine (this=0x17448d0, name=...) at ../../plasma/private/dataengineconsumer.cpp:105
#11 0x00007f06838eef7c in Plasma::Applet::dataEngine (this=0x1744590, name=...) at ../../plasma/applet.cpp:685
#12 0x00007f065ed234d8 in ?? () from /usr/lib/kde4/plasma_applet_wicd.so
#13 0x00007f068390d6e8 in Plasma::Containment::addApplet (this=0x14d3290, applet=0x1744590, pos=..., delayInit=delayInit@entry=false) at ../../plasma/containment.cpp:917
#14 0x00007f06840dacd1 in SingleView::SingleView (this=0x14e14d0, corona=<optimized out>, containment=<optimized out>, pluginName=..., appletId=<optimized out>, appletArgs=..., parent=0x0) at ../../../../../plasma/generic/shells/plasma-windowed/singleview.cpp:63
#15 0x00007f06840dcccb in PlasmaApp::newInstance (this=0x14c6960) at ../../../../../plasma/generic/shells/plasma-windowed/plasmaapp.cpp:144
#16 0x00007f06833fcecc in KUniqueApplicationAdaptor::newInstance (this=0x16101c0, asn_id=..., args=...) at ../../kdeui/kernel/kuniqueapplication.cpp:442
#17 0x00007f06833fcf55 in KUniqueApplicationAdaptor::qt_static_metacall (_o=_o@entry=0x16101c0, _id=_id@entry=0, _a=_a@entry=0x7fff7bc1cbc0, _c=QMetaObject::InvokeMetaMethod) at ./kuniqueapplication_p.moc:57
#18 0x00007f06833fd173 in qt_static_metacall (_a=0x7fff7bc1cbc0, _id=0, _c=QMetaObject::InvokeMetaMethod, _o=0x16101c0) at ./kuniqueapplication_p.moc:100
#19 KUniqueApplicationAdaptor::qt_metacall (this=0x16101c0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff7bc1cbc0) at ./kuniqueapplication_p.moc:101
#20 0x00007f067ad59226 in QDBusConnectionPrivate::deliverCall (this=this@entry=0x14e3200, object=object@entry=0x16101c0, msg=..., metaTypes=..., slotIdx=4) at qdbusintegrator.cpp:951
#21 0x00007f067ad5a329 in QDBusConnectionPrivate::activateCall (this=this@entry=0x14e3200, object=0x16101c0, flags=flags@entry=337, msg=...) at qdbusintegrator.cpp:856
#22 0x00007f067ad5ae0d in QDBusConnectionPrivate::activateObject (this=0x14e3200, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1427
#23 0x00007f067ad5aedb in QDBusActivateObjectEvent::placeMetaCall (this=0x16a7fd0) at qdbusintegrator.cpp:1541
#24 0x00007f06829c3e9e in QObject::event (this=this@entry=0x14c6960, e=e@entry=0x16a7fd0) at kernel/qobject.cpp:1194
#25 0x00007f06829aff6c in QCoreApplication::event (this=this@entry=0x14c6960, e=e@entry=0x16a7fd0) at kernel/qcoreapplication.cpp:1765
#26 0x00007f0681d49f23 in QApplication::event (this=0x14c6960, e=0x16a7fd0) at kernel/qapplication.cpp:2549
#27 0x00007f0681d44e7c in QApplicationPrivate::notify_helper (this=this@entry=0x14ed9b0, receiver=receiver@entry=0x14c6960, e=e@entry=0x16a7fd0) at kernel/qapplication.cpp:4567
#28 0x00007f0681d4b4f0 in QApplication::notify (this=this@entry=0x14c6960, receiver=receiver@entry=0x14c6960, e=e@entry=0x16a7fd0) at kernel/qapplication.cpp:4353
#29 0x00007f06833f5c6a in KApplication::notify (this=0x14c6960, receiver=0x14c6960, event=0x16a7fd0) at ../../kdeui/kernel/kapplication.cpp:311
#30 0x00007f06829ab73d in QCoreApplication::notifyInternal (this=0x14c6960, receiver=receiver@entry=0x14c6960, event=event@entry=0x16a7fd0) at kernel/qcoreapplication.cpp:953
#31 0x00007f06829aedaf in sendEvent (event=0x16a7fd0, receiver=0x14c6960) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#32 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x14a01f0) at kernel/qcoreapplication.cpp:1577
#33 0x00007f06829af253 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#34 0x00007f06829d9213 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#35 postEventSourceDispatch (s=0x14ed190) at kernel/qeventdispatcher_glib.cpp:280
#36 0x00007f0679e0b3b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f0679e0b708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f0679e0b7ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f06829d8ad5 in QEventDispatcherGlib::processEvents (this=0x14a1af0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#40 0x00007f0681de6cb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x00007f06829aa30f in QEventLoop::processEvents (this=this@entry=0x7fff7bc1d4e0, flags=...) at kernel/qeventloop.cpp:149
#42 0x00007f06829aa605 in QEventLoop::exec (this=this@entry=0x7fff7bc1d4e0, flags=...) at kernel/qeventloop.cpp:204
#43 0x00007f06829afdeb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#44 0x00007f0681d433cc in QApplication::exec () at kernel/qapplication.cpp:3828
#45 0x00007f06840dbb0a in kdemain (argc=2, argv=0x7fff7bc1d738) at ../../../../../plasma/generic/shells/plasma-windowed/main.cpp:56
#46 0x00007f0683d2dde5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=2, ubp_av=0x7fff7bc1d738, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff7bc1d728) at libc-start.c:260
#47 0x000000000040070e in _start ()

Possible duplicates by query: bug 207830.

Reported using DrKonqi