Application: plasma-desktop (4.11.5)
KDE Platform Version: 4.11.5
Qt Version: 4.8.4
Operating System: Linux 3.11.0-19-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
I had previously added a Widget and, some minutes later, tried to get another new Widget.  Plasma crashed at this time.

-- 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 0x7f70cdc847c0 (LWP 5371))]

Thread 5 (Thread 0x7f70ad607700 (LWP 5372)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c68ce06b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f70c68ce0a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f70c0f17f6e in start_thread (arg=0x7f70ad607700) at pthread_create.c:311
#4  0x00007f70cd5629cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f702193f700 (LWP 5373)):
#0  0x00007f70cd555f7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c08006a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70c08007ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70ca0f7a76 in QEventDispatcherGlib::processEvents (this=0x7f701c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f70ca0c95ef in QEventLoop::processEvents (this=this@entry=0x7f702193ed70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f70ca0c98e5 in QEventLoop::exec (this=this@entry=0x7f702193ed70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f70c9fc888f in QThread::exec (this=this@entry=0x15ed830) at thread/qthread.cpp:542
#7  0x00007f70ca0aad13 in QInotifyFileSystemWatcherEngine::run (this=0x15ed830) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f70c9fcaf2f in QThreadPrivate::start (arg=0x15ed830) at thread/qthread_unix.cpp:338
#9  0x00007f70c0f17f6e in start_thread (arg=0x7f702193f700) at pthread_create.c:311
#10 0x00007f70cd5629cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f701bdaf700 (LWP 5374)):
#0  0x00007f70cd555f7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c08006a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70c08007ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70ca0f7a76 in QEventDispatcherGlib::processEvents (this=0x7f70140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f70ca0c95ef in QEventLoop::processEvents (this=this@entry=0x7f701bdaed70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f70ca0c98e5 in QEventLoop::exec (this=this@entry=0x7f701bdaed70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f70c9fc888f in QThread::exec (this=this@entry=0x26280d0) at thread/qthread.cpp:542
#7  0x00007f70ca0aad13 in QInotifyFileSystemWatcherEngine::run (this=0x26280d0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f70c9fcaf2f in QThreadPrivate::start (arg=0x26280d0) at thread/qthread_unix.cpp:338
#9  0x00007f70c0f17f6e in start_thread (arg=0x7f701bdaf700) at pthread_create.c:311
#10 0x00007f70cd5629cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f7009bff700 (LWP 5699)):
#0  0x00007f70c08400ea in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70c08403c9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70c07ff830 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70c0800565 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70c0800b0a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f701921bb66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f70c08250f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f70c0f17f6e in start_thread (arg=0x7f7009bff700) at pthread_create.c:311
#8  0x00007f70cd5629cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f70cdc847c0 (LWP 5371)):
[KCrash Handler]
#6  0x00007f70cbce9334 in QDeclarativeItem::~QDeclarativeItem (this=0x97a1740, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f702c657aa1 in ~QDeclarativeElement (this=0x97a1740, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x97a1740, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  0x00007f70ca0e2e08 in QObject::event (this=0x97a1740, e=<optimized out>) at kernel/qobject.cpp:1175
#10 0x00007f70c9461dfc in QApplicationPrivate::notify_helper (this=this@entry=0x1578af0, receiver=receiver@entry=0x97a1740, e=e@entry=0x9813d10) at kernel/qapplication.cpp:4567
#11 0x00007f70c9468470 in QApplication::notify (this=this@entry=0x1571090, receiver=receiver@entry=0x97a1740, e=e@entry=0x9813d10) at kernel/qapplication.cpp:4353
#12 0x00007f70cada1a6a in KApplication::notify (this=0x1571090, receiver=0x97a1740, event=0x9813d10) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f70ca0ca8bd in QCoreApplication::notifyInternal (this=0x1571090, receiver=receiver@entry=0x97a1740, event=event@entry=0x9813d10) at kernel/qcoreapplication.cpp:946
#14 0x00007f70ca0cde1f in sendEvent (event=0x9813d10, receiver=0x97a1740) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x14e81f0) at kernel/qcoreapplication.cpp:1570
#16 0x00007f70ca0ce2c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#17 0x00007f70ca0f8073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=0x1577210) at kernel/qeventdispatcher_glib.cpp:279
#19 0x00007f70c08003b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f70c0800708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f70c08007ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f70ca0f7a55 in QEventDispatcherGlib::processEvents (this=0x14e9ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f70c95039d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f70ca0c95ef in QEventLoop::processEvents (this=this@entry=0x7fffec316590, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f70ca0c98e5 in QEventLoop::exec (this=this@entry=0x7fffec316590, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f70ca0cee5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x00007f70c946034c in QApplication::exec () at kernel/qapplication.cpp:3828
#28 0x00007f70cd86c64c in kdemain (argc=1, argv=0x7fffec3167e8) at ../../../../plasma/desktop/shell/main.cpp:126
#29 0x00007f70cd489de5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fffec3167e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffec3167d8) at libc-start.c:260
#30 0x000000000040070e in _start ()

Possible duplicates by query: bug 332964, bug 332961, bug 332929, bug 332277, bug 332092.

Reported using DrKonqi