Application: plasma-desktop (4.12.0)
KDE Platform Version: 4.12.1
Qt Version: 4.8.6
Operating System: Linux 3.13.0-5-generic x86_64
Distribution: Ubuntu Trusty Tahr (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
I editing the panel adding controls and widgets, after finish the plasma crash for few seconds. 


- Unusual behavior I noticed:

- Custom settings of the application:

-- Backtrace:
Application: Învelișul de birou Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0ddf7da800 (LWP 1709))]

Thread 4 (Thread 0x7f0dbc363700 (LWP 1710)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0dd846affb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f0dd846b039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f0dcfb7d8f4 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#4  0x00007f0dd2d17182 in start_thread (arg=0x7f0dbc363700) at pthread_create.c:312
#5  0x00007f0ddf0c4b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f0d3142d700 (LWP 1711)):
#0  0x00007f0dd2d1a7ee in __pthread_mutex_unlock_usercnt (decr=1, mutex=0x7f0d2c000a90) at pthread_mutex_unlock.c:57
#1  __GI___pthread_mutex_unlock (mutex=0x7f0d2c000a90) at pthread_mutex_unlock.c:310
#2  0x00007f0dd264c6d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0dd260b3d0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0dd260bc53 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0dd260be3c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0ddbc8a836 in QEventDispatcherGlib::processEvents (this=0x7f0d2c0008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#7  0x00007f0ddbc5c09f in QEventLoop::processEvents (this=this@entry=0x7f0d3142cce0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f0ddbc5c395 in QEventLoop::exec (this=this@entry=0x7f0d3142cce0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f0ddbb58c4f in QThread::exec (this=this@entry=0x250abb0) at thread/qthread.cpp:537
#10 0x00007f0ddbc3d813 in QInotifyFileSystemWatcherEngine::run (this=0x250abb0) at io/qfilesystemwatcher_inotify.cpp:265
#11 0x00007f0ddbb5b31f in QThreadPrivate::start (arg=0x250abb0) at thread/qthread_unix.cpp:349
#12 0x00007f0dcfb7d8f4 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#13 0x00007f0dd2d17182 in start_thread (arg=0x7f0d3142d700) at pthread_create.c:312
#14 0x00007f0ddf0c4b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f0d2bb97700 (LWP 1712)):
#0  0x00007f0dd2d19569 in __GI___pthread_mutex_lock (mutex=0x7f0d24000a90) at ../nptl/pthread_mutex_lock.c:125
#1  0x00007f0dd264c6a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0dd260ae80 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0dd260bbf5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0dd260be3c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0ddbc8a836 in QEventDispatcherGlib::processEvents (this=0x7f0d240008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#6  0x00007f0ddbc5c09f in QEventLoop::processEvents (this=this@entry=0x7f0d2bb96ce0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f0ddbc5c395 in QEventLoop::exec (this=this@entry=0x7f0d2bb96ce0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f0ddbb58c4f in QThread::exec (this=this@entry=0x3706f30) at thread/qthread.cpp:537
#9  0x00007f0ddbc3d813 in QInotifyFileSystemWatcherEngine::run (this=0x3706f30) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f0ddbb5b31f in QThreadPrivate::start (arg=0x3706f30) at thread/qthread_unix.cpp:349
#11 0x00007f0dcfb7d8f4 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#12 0x00007f0dd2d17182 in start_thread (arg=0x7f0d2bb97700) at pthread_create.c:312
#13 0x00007f0ddf0c4b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f0ddf7da800 (LWP 1709)):
[KCrash Handler]
#6  0x00007f0ddd85b054 in QDeclarativeItem::~QDeclarativeItem (this=0x4e7b6d0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f0d3b398aa1 in ~QDeclarativeElement (this=0x4e7b6d0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:92
#8  QDeclarativePrivate::QDeclarativeElement<Plasma::FrameSvgItem>::~QDeclarativeElement (this=0x4e7b6d0, __in_chrg=<optimized out>) at /usr/include/qt4/QtDeclarative/qdeclarativeprivate.h:92
#9  0x00007f0ddbc75c48 in QObject::event (this=0x4e7b6d0, e=<optimized out>) at kernel/qobject.cpp:1175
#10 0x00007f0ddaff4e2c in QApplicationPrivate::notify_helper (this=this@entry=0x24d0a80, receiver=receiver@entry=0x4e7b6d0, e=e@entry=0x4c52770) at kernel/qapplication.cpp:4567
#11 0x00007f0ddaffb4a0 in QApplication::notify (this=this@entry=0x246a870, receiver=receiver@entry=0x4e7b6d0, e=e@entry=0x4c52770) at kernel/qapplication.cpp:4353
#12 0x00007f0ddc923aaa in KApplication::notify (this=0x246a870, receiver=0x4e7b6d0, event=0x4c52770) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f0ddbc5d4cd in QCoreApplication::notifyInternal (this=0x246a870, receiver=receiver@entry=0x4e7b6d0, event=event@entry=0x4c52770) at kernel/qcoreapplication.cpp:953
#14 0x00007f0ddbc60b2d in sendEvent (event=0x4c52770, receiver=0x4e7b6d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x23b31f0) at kernel/qcoreapplication.cpp:1577
#16 0x00007f0ddbc60fd3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#17 0x00007f0ddbc8af53 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=0x24d08e0) at kernel/qeventdispatcher_glib.cpp:280
#19 0x00007f0dd260bb54 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f0dd260bd98 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f0dd260be3c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f0ddbc8a815 in QEventDispatcherGlib::processEvents (this=0x23b4af0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#23 0x00007f0ddb096bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f0ddbc5c09f in QEventLoop::processEvents (this=this@entry=0x7fff5f81a5b0, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f0ddbc5c395 in QEventLoop::exec (this=this@entry=0x7fff5f81a5b0, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f0ddbc61b69 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#27 0x00007f0ddf3cd65c in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#28 0x00007f0ddefebed5 in __libc_start_main (main=0x4006e0, argc=1, argv=0x7fff5f81a808, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff5f81a7f8) at libc-start.c:287
#29 0x000000000040070e in _start ()

Possible duplicates by query: bug 330409, bug 330377, bug 330175, bug 329915, bug 329851.

Reported using DrKonqi