Application: plasma-desktop (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-12-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:
added widget on the desk, it was a duplicate widget please  let me send this ticket, thank you.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f791fea07c0 (LWP 1857))]

Thread 4 (Thread 0x7f78f8853700 (LWP 1859)):
#0  0x00007f7912b280ed in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7912b283c9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7912ae8299 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7912ae8708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7912ae87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f791c351a76 in QEventDispatcherGlib::processEvents (this=0x7f78f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f791c3235ef in QEventLoop::processEvents (this=this@entry=0x7f78f8852d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f791c3238e5 in QEventLoop::exec (this=this@entry=0x7f78f8852d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f791c22288f in QThread::exec (this=this@entry=0x92f190) at thread/qthread.cpp:542
#9  0x00007f791c304d13 in QInotifyFileSystemWatcherEngine::run (this=0x92f190) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f791c224f2f in QThreadPrivate::start (arg=0x92f190) at thread/qthread_unix.cpp:338
#11 0x00007f79131f2f6e in start_thread (arg=0x7f78f8853700) at pthread_create.c:311
#12 0x00007f791f7859cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f78f3fff700 (LWP 1860)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7918b3806b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f7918b380a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f79131f2f6e in start_thread (arg=0x7f78f3fff700) at pthread_create.c:311
#4  0x00007f791f7859cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f787131e700 (LWP 1863)):
#0  0x00007f79131f605f in __pthread_mutex_unlock_usercnt (mutex=0x7f7864000a60, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007f7912b283d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7912ae8299 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7912ae8708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7912ae87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f791c351a76 in QEventDispatcherGlib::processEvents (this=0x7f78640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f791c3235ef in QEventLoop::processEvents (this=this@entry=0x7f787131dd70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f791c3238e5 in QEventLoop::exec (this=this@entry=0x7f787131dd70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f791c22288f in QThread::exec (this=this@entry=0x10aadd0) at thread/qthread.cpp:542
#9  0x00007f791c304d13 in QInotifyFileSystemWatcherEngine::run (this=0x10aadd0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f791c224f2f in QThreadPrivate::start (arg=0x10aadd0) at thread/qthread_unix.cpp:338
#11 0x00007f79131f2f6e in start_thread (arg=0x7f787131e700) at pthread_create.c:311
#12 0x00007f791f7859cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f791fea07c0 (LWP 1857)):
[KCrash Handler]
#6  0x00007f791df20334 in QDeclarativeItem::~QDeclarativeItem (this=0x33b03b0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f7873058aa1 in ~QDeclarativeElement (this=0x33b03b0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x33b03b0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  0x00007f791c33ce08 in QObject::event (this=0x33b03b0, e=<optimized out>) at kernel/qobject.cpp:1175
#10 0x00007f791b6c1dfc in QApplicationPrivate::notify_helper (this=this@entry=0x7b32c0, receiver=receiver@entry=0x33b03b0, e=e@entry=0x41d5420) at kernel/qapplication.cpp:4567
#11 0x00007f791b6c8470 in QApplication::notify (this=this@entry=0x7a2bc0, receiver=receiver@entry=0x33b03b0, e=e@entry=0x41d5420) at kernel/qapplication.cpp:4353
#12 0x00007f791cfe8a6a in KApplication::notify (this=0x7a2bc0, receiver=0x33b03b0, event=0x41d5420) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f791c3248bd in QCoreApplication::notifyInternal (this=0x7a2bc0, receiver=receiver@entry=0x33b03b0, event=event@entry=0x41d5420) at kernel/qcoreapplication.cpp:946
#14 0x00007f791c327e1f in sendEvent (event=0x41d5420, receiver=0x33b03b0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x7181f0) at kernel/qcoreapplication.cpp:1570
#16 0x00007f791c3282c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#17 0x00007f791c352073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=0x7a5ce0) at kernel/qeventdispatcher_glib.cpp:279
#19 0x00007f7912ae83b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f7912ae8708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f7912ae87ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f791c351a55 in QEventDispatcherGlib::processEvents (this=0x7b32a0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f791b7639d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f791c3235ef in QEventLoop::processEvents (this=this@entry=0x7fffce46f080, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f791c3238e5 in QEventLoop::exec (this=this@entry=0x7fffce46f080, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f791c328e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x00007f791b6c034c in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x00007f791fa8f27c in kdemain (argc=1, argv=0x7fffce46f2d8) at ../../../../plasma/desktop/shell/main.cpp:126
#29 0x00007f791f6acde5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fffce46f2d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffce46f2c8) at libc-start.c:260
#30 0x000000000040070e in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 328144.

Possible duplicates by query: bug 328164, bug 328144, bug 328048, bug 327861, bug 327805.

Reported using DrKonqi