Application: plasma-desktop (4.11.11)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.13.0-49-generic i686
Distribution: Ubuntu 14.04.2 LTS

-- Information about the crash:
- Unusual behavior I noticed:

plasma se detuvo al añadir elementos gráficos al panel

The crash can be reproduced every time.

-- Backtrace:
Application: Shell de escritorio Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb13f1980 (LWP 1779))]

Thread 4 (Thread 0xa3574b40 (LWP 1786)):
#0  0xb779f424 in __kernel_vsyscall ()
#1  0xb222fd4b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb7654dcc in __pthread_cond_wait (cond=0xb32678d0, mutex=0xb32678b8) at forward.c:149
#3  0xb3164c92 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb3164cdf in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb222bf70 in start_thread (arg=0xa3574b40) at pthread_create.c:312
#6  0xb7647bee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 3 (Thread 0xa123fb40 (LWP 1787)):
#0  0xb222f12e in __pthread_mutex_unlock_usercnt (mutex=0xa0900558, decr=1) at pthread_mutex_unlock.c:57
#1  0xb7655014 in pthread_mutex_unlock (mutex=0xa0900558) at forward.c:194
#2  0xb2154120 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb210e99e in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb210f2df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb210f528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb60be95f in QEventDispatcherGlib::processEvents (this=0xa0900468, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0xb608d823 in QEventLoop::processEvents (this=this@entry=0xa123f258, flags=...) at kernel/qeventloop.cpp:149
#8  0xb608db49 in QEventLoop::exec (this=this@entry=0xa123f258, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5f7a23d in QThread::exec (this=this@entry=0xa491728) at thread/qthread.cpp:537
#10 0xb606dc44 in QInotifyFileSystemWatcherEngine::run (this=0xa491728) at io/qfilesystemwatcher_inotify.cpp:265
#11 0xb5f7cb6f in QThreadPrivate::start (arg=0xa491728) at thread/qthread_unix.cpp:349
#12 0xb222bf70 in start_thread (arg=0xa123fb40) at pthread_create.c:312
#13 0xb7647bee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 2 (Thread 0xa0805b40 (LWP 1788)):
#0  0xb779f424 in __kernel_vsyscall ()
#1  0xb7636c1b in read () at ../sysdeps/unix/syscall-template.S:81
#2  0xb215326e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb210eecb in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb210f37a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb210f528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb60be95f in QEventDispatcherGlib::processEvents (this=0x9ff00468, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0xb608d823 in QEventLoop::processEvents (this=this@entry=0xa0805258, flags=...) at kernel/qeventloop.cpp:149
#8  0xb608db49 in QEventLoop::exec (this=this@entry=0xa0805258, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5f7a23d in QThread::exec (this=this@entry=0xa581788) at thread/qthread.cpp:537
#10 0xb606dc44 in QInotifyFileSystemWatcherEngine::run (this=0xa581788) at io/qfilesystemwatcher_inotify.cpp:265
#11 0xb5f7cb6f in QThreadPrivate::start (arg=0xa581788) at thread/qthread_unix.cpp:349
#12 0xb222bf70 in start_thread (arg=0xa0805b40) at pthread_create.c:312
#13 0xb7647bee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 1 (Thread 0xb13f1980 (LWP 1779)):
[KCrash Handler]
#7  QMutex::lock (this=this@entry=0xa172234) at thread/qmutex.cpp:153
#8  0xb6092db7 in QCoreApplication::postEvent (receiver=receiver@entry=0xcfb3260, event=event@entry=0xb6d2f98, priority=priority@entry=0) at kernel/qcoreapplication.cpp:1358
#9  0xb60930eb in QCoreApplication::postEvent (receiver=receiver@entry=0xcfb3260, event=event@entry=0xb6d2f98) at kernel/qcoreapplication.cpp:1311
#10 0xb60a181f in QObject::deleteLater (this=this@entry=0xcfb3260) at kernel/qobject.cpp:2087
#11 0xb5632bb3 in QX11Data::xdndHandleFinished (this=0x9899720, xe=xe@entry=0xbfef5ecc, passive=false) at kernel/qdnd_x11.cpp:1256
#12 0xb5611b7b in QApplication::x11ClientMessage (this=0x987f0a0, w=0xcab9c88, event=0xbfef5ecc, passive_only=false) at kernel/qapplication_x11.cpp:3259
#13 0xb56232d5 in QApplication::x11ProcessEvent (this=0x987f0a0, event=event@entry=0xbfef5ecc) at kernel/qapplication_x11.cpp:3888
#14 0xb564f524 in x11EventSourceDispatch (s=0x9897780, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#15 0xb210f1e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#16 0xb210f468 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#17 0xb210f528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#18 0xb60be93b in QEventDispatcherGlib::processEvents (this=this@entry=0x983fd50, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#19 0xb564f5de in QGuiEventDispatcherGlib::processEvents (this=0x983fd50, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#20 0xb608d823 in QEventLoop::processEvents (this=this@entry=0xaf7b398, flags=...) at kernel/qeventloop.cpp:149
#21 0xb608db49 in QEventLoop::exec (this=this@entry=0xaf7b398, flags=...) at kernel/qeventloop.cpp:204
#22 0xb56353a6 in QDragManager::drag (this=0xd79b8a0, o=o@entry=0xd06a518) at kernel/qdnd_x11.cpp:2032
#23 0xb55ad574 in QDrag::exec (this=0xd06a518, supportedActions=..., defaultDropAction=Qt::MoveAction) at kernel/qdrag.cpp:284
#24 0xa235bfb3 in DeclarativeDragArea::mouseMoveEvent (this=0xa5443b0, event=0xbfef67a0) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:233
#25 0xa235c094 in DeclarativeDragArea::sceneEventFilter (this=0xa5443b0, item=0xc1a3098, event=0xbfef67a0) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:245
#26 0xb5c0b853 in QGraphicsScenePrivate::filterDescendantEvent (this=this@entry=0x9a56540, item=item@entry=0xc1a3098, event=event@entry=0xbfef67a0) at graphicsview/qgraphicsscene.cpp:1159
#27 0xb5c105b8 in QGraphicsScenePrivate::sendEvent (this=0x9a56540, item=0xc1a3098, event=0xbfef67a0) at graphicsview/qgraphicsscene.cpp:1211
#28 0xb5c10b66 in QGraphicsScenePrivate::sendMouseEvent (this=0x9a56540, mouseEvent=0xbfef67a0) at graphicsview/qgraphicsscene.cpp:1295
#29 0xb5c18b87 in QGraphicsScene::mouseMoveEvent (this=0x9a55258, mouseEvent=0xbfef67a0) at graphicsview/qgraphicsscene.cpp:4102
#30 0xb5c25a88 in QGraphicsScene::event (this=0x9a55258, event=0xbfef67a0) at graphicsview/qgraphicsscene.cpp:3451
#31 0xb559a7f4 in QApplicationPrivate::notify_helper (this=0x989f500, receiver=0x9a55258, e=0xbfef67a0) at kernel/qapplication.cpp:4567
#32 0xb55a12d3 in QApplication::notify (this=0x987f0a0, receiver=receiver@entry=0x9a55258, e=e@entry=0xbfef67a0) at kernel/qapplication.cpp:4353
#33 0xb67031b4 in KApplication::notify (this=0x987f0a0, receiver=0x9a55258, event=0xbfef67a0) at ../../kdeui/kernel/kapplication.cpp:311
#34 0xb608ee4a in QCoreApplication::notifyInternal (this=0x987f0a0, receiver=receiver@entry=0x9a55258, event=event@entry=0xbfef67a0) at kernel/qcoreapplication.cpp:953
#35 0xb5598c7d in sendSpontaneousEvent (event=0xbfef67a0, receiver=0x9a55258) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#36 qt_sendSpontaneousEvent (receiver=0x9a55258, event=event@entry=0xbfef67a0) at kernel/qapplication.cpp:5565
#37 0xb5c3d61d in QGraphicsViewPrivate::mouseMoveEventHandler (this=this@entry=0xd47de88, event=event@entry=0xbfef6d44) at graphicsview/qgraphicsview.cpp:646
#38 0xb5c3e710 in QGraphicsView::mouseMoveEvent (this=0xd7723e0, event=0xbfef6d44) at graphicsview/qgraphicsview.cpp:3276
#39 0xb55f453c in QWidget::event (this=this@entry=0xd7723e0, event=event@entry=0xbfef6d44) at kernel/qwidget.cpp:8361
#40 0xb59fa78c in QFrame::event (this=this@entry=0xd7723e0, e=e@entry=0xbfef6d44) at widgets/qframe.cpp:557
#41 0xb5a88e48 in QAbstractScrollArea::viewportEvent (this=this@entry=0xd7723e0, e=e@entry=0xbfef6d44) at widgets/qabstractscrollarea.cpp:1043
#42 0xb5c40107 in QGraphicsView::viewportEvent (this=<optimized out>, event=<optimized out>) at graphicsview/qgraphicsview.cpp:2866
#43 0xb5a890c6 in viewportEvent (event=0xbfef6d44, this=<optimized out>) at widgets/qabstractscrollarea_p.h:100
#44 QAbstractScrollAreaFilter::eventFilter (this=0xcfcbee8, o=0xc1fd3e8, e=0xbfef6d44) at widgets/qabstractscrollarea_p.h:116
#45 0xb608efbe in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x989f500, receiver=receiver@entry=0xc1fd3e8, event=event@entry=0xbfef6d44) at kernel/qcoreapplication.cpp:1063
#46 0xb559a7d1 in QApplicationPrivate::notify_helper (this=0x989f500, receiver=receiver@entry=0xc1fd3e8, e=0xbfef6d44) at kernel/qapplication.cpp:4563
#47 0xb55a2ea0 in QApplication::notify (this=0x987f0a0, receiver=receiver@entry=0xc1fd3e8, e=e@entry=0xbfef6d44) at kernel/qapplication.cpp:4110
#48 0xb67031b4 in KApplication::notify (this=0x987f0a0, receiver=0xc1fd3e8, event=0xbfef6d44) at ../../kdeui/kernel/kapplication.cpp:311
#49 0xb608ee4a in QCoreApplication::notifyInternal (this=0x987f0a0, receiver=receiver@entry=0xc1fd3e8, event=event@entry=0xbfef6d44) at kernel/qcoreapplication.cpp:953
#50 0xb55a0b53 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#51 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0xc1fd3e8, event=0xbfef6d44, alienWidget=0xc1fd3e8, nativeWidget=0xcba6ca8, buttonDown=buttonDown@entry=0xb5f11ce4 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#52 0xb5624778 in QETWidget::translateMouseEvent (this=0xcba6ca8, event=event@entry=0xbfef6f6c) at kernel/qapplication_x11.cpp:4634
#53 0xb5623ec5 in QApplication::x11ProcessEvent (this=0x987f0a0, event=event@entry=0xbfef6f6c) at kernel/qapplication_x11.cpp:3627
#54 0xb564f524 in x11EventSourceDispatch (s=0x9897780, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#55 0xb210f1e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#56 0xb210f468 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#57 0xb210f528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#58 0xb60be93b in QEventDispatcherGlib::processEvents (this=this@entry=0x983fd50, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#59 0xb564f5de in QGuiEventDispatcherGlib::processEvents (this=0x983fd50, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#60 0xb608d823 in QEventLoop::processEvents (this=this@entry=0xbfef7228, flags=...) at kernel/qeventloop.cpp:149
#61 0xb608db49 in QEventLoop::exec (this=this@entry=0xbfef7228, flags=...) at kernel/qeventloop.cpp:204
#62 0xb60938fe in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#63 0xb5598a24 in QApplication::exec () at kernel/qapplication.cpp:3828
#64 0xb775bd27 in kdemain (argc=1, argv=0xbfef73c4) at ../../../../plasma/desktop/shell/main.cpp:126
#65 0x0804855b in main (argc=1, argv=0xbfef73c4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 225190, bug 225111, bug 224804, bug 224631, bug 224505.

Reported using DrKonqi