Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.4
Qt Version: 4.8.2
Operating System: Linux 3.2.0-35-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I was attempting to add a widget when KWin crashed, and successfully restarted.

-- 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 0x7fe493e84780 (LWP 2208))]

Thread 5 (Thread 0x7fe47543f700 (LWP 2211)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe48d150222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fe48d150259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fe4879d0e9a in start_thread (arg=0x7fe47543f700) at pthread_create.c:308
#4  0x00007fe493772cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fe46d43a700 (LWP 2212)):
#0  0x00007fe4872d3329 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe4872d3fe9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe4872d4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe49039d906 in QEventDispatcherGlib::processEvents (this=0x7fe4680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fe49036ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe49036d097 in QEventLoop::exec (this=0x7fe46d439dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fe49026c057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fe49034cb4f in QInotifyFileSystemWatcherEngine::run (this=0x2ad5400) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe49026f07b in QThreadPrivate::start (arg=0x2ad5400) at thread/qthread_unix.cpp:307
#9  0x00007fe4879d0e9a in start_thread (arg=0x7fe46d43a700) at pthread_create.c:308
#10 0x00007fe493772cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe467da0700 (LWP 2213)):
#0  0x00007fe493767303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe4872d4036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe4872d4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe49039d906 in QEventDispatcherGlib::processEvents (this=0x7fe4600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fe49036ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe49036d097 in QEventLoop::exec (this=0x7fe467d9fdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fe49026c057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fe49034cb4f in QInotifyFileSystemWatcherEngine::run (this=0x2bea490) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe49026f07b in QThreadPrivate::start (arg=0x2bea490) at thread/qthread_unix.cpp:307
#9  0x00007fe4879d0e9a in start_thread (arg=0x7fe467da0700) at pthread_create.c:308
#10 0x00007fe493772cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe45e627700 (LWP 2220)):
#0  0x00007fe4872d394a in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe4872d3faa in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe4872d449a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe45f111406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fe4872f59e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe4879d0e9a in start_thread (arg=0x7fe45e627700) at pthread_create.c:308
#6  0x00007fe493772cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe493e84780 (LWP 2208)):
[KCrash Handler]
#6  0x0000000000000131 in ?? ()
#7  0x00007fe491fa39f1 in QDeclarativeItem::~QDeclarativeItem (this=0x8ec31f0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0x00007fe4745121e1 in ~QDeclarativeElement (this=0x8ec31f0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#9  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x8ec31f0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:87
#10 0x00007fe490387958 in QObject::event (this=0x8ec31f0, e=<optimized out>) at kernel/qobject.cpp:1176
#11 0x00007fe48f6ef7b4 in notify_helper (e=0x88e6320, receiver=0x8ec31f0, this=0x2026ea0) at kernel/qapplication.cpp:4556
#12 QApplicationPrivate::notify_helper (this=0x2026ea0, receiver=0x8ec31f0, e=0x88e6320) at kernel/qapplication.cpp:4528
#13 0x00007fe48f6f4583 in QApplication::notify (this=0x2020d00, receiver=0x8ec31f0, e=0x88e6320) at kernel/qapplication.cpp:4417
#14 0x00007fe491052786 in KApplication::notify (this=0x2020d00, receiver=0x8ec31f0, event=0x88e6320) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007fe49036e30c in QCoreApplication::notifyInternal (this=0x2020d00, receiver=0x8ec31f0, event=0x88e6320) at kernel/qcoreapplication.cpp:915
#16 0x00007fe4903720ea in sendEvent (event=0x88e6320, receiver=0x8ec31f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1faf1f0) at kernel/qcoreapplication.cpp:1539
#18 0x00007fe49039d473 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#19 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#20 0x00007fe4872d3d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fe4872d40a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fe4872d4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fe49039d89f in QEventDispatcherGlib::processEvents (this=0x1fb0ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#24 0x00007fe48f797cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007fe49036ce42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#26 0x00007fe49036d097 in QEventLoop::exec (this=0x7fff0d5fbf20, flags=...) at kernel/qeventloop.cpp:204
#27 0x00007fe4903723e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#28 0x00007fe493a79be3 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#29 0x00007fe4936a076d in __libc_start_main (main=0x400640, argc=1, ubp_av=0x7fff0d5fc308, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff0d5fc2f8) at libc-start.c:226
#30 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 302931.

Possible duplicates by query: bug 311654, bug 311625, bug 311476, bug 311433, bug 311343.

Reported using DrKonqi