Application: plasma-desktop (4.11.11)
KDE Platform Version: 4.13.3
Qt Version: 4.8.6
Operating System: Linux 4.3.0-040300-generic i686
Distribution: Ubuntu 14.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:
loggining into opendesktop.org community widget when the widget crashed

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1139a40 (LWP 3964))]

Thread 7 (Thread 0xa3ee7b40 (LWP 3967)):
#0  0xb774fc38 in __kernel_vsyscall ()
#1  0xb20dfd4b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb75fcdcc in __pthread_cond_wait (cond=0xb31ee8d0, mutex=0xb31ee8b8) at forward.c:149
#3  0xb30ebc92 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb30ebcdf in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb20dbf70 in start_thread (arg=0xa3ee7b40) at pthread_create.c:312
#6  0xb75efbee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 6 (Thread 0xa16d1b40 (LWP 3968)):
#0  0xb2003d0e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb2004118 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb1fbedf2 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb1fbf37a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb1fbf528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb605e95f in QEventDispatcherGlib::processEvents (this=0xa0d00468, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0xb602d823 in QEventLoop::processEvents (this=this@entry=0xa16d1258, flags=...) at kernel/qeventloop.cpp:149
#7  0xb602db49 in QEventLoop::exec (this=this@entry=0xa16d1258, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5f1a23d in QThread::exec (this=this@entry=0x92f0da8) at thread/qthread.cpp:537
#9  0xb600dc44 in QInotifyFileSystemWatcherEngine::run (this=0x92f0da8) at io/qfilesystemwatcher_inotify.cpp:265
#10 0xb5f1cb6f in QThreadPrivate::start (arg=0x92f0da8) at thread/qthread_unix.cpp:349
#11 0xb20dbf70 in start_thread (arg=0xa16d1b40) at pthread_create.c:312
#12 0xb75efbee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 5 (Thread 0xa67e7b40 (LWP 4374)):
#0  0xb774fc38 in __kernel_vsyscall ()
#1  0xb75e0c8b in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb1fce20b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb1fbf3e8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb1fbf76b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xa44e636a in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0xb1fe59aa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb20dbf70 in start_thread (arg=0xa67e7b40) at pthread_create.c:312
#8  0xb75efbee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 4 (Thread 0xa5dffb40 (LWP 4733)):
#0  0xb774fc38 in __kernel_vsyscall ()
#1  0xb20dfd4b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb75fcdcc in __pthread_cond_wait (cond=0xb52f3cb0, mutex=0xb52f3c98) at forward.c:149
#3  0xb4a7b9ac in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb4a7b9ff in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb20dbf70 in start_thread (arg=0xa5dffb40) at pthread_create.c:312
#6  0xb75efbee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 3 (Thread 0xa4fffb40 (LWP 4734)):
#0  0xb1f8e640 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0

Thread 2 (Thread 0xa8d7fb40 (LWP 4742)):
#0  0xb774fc38 in __kernel_vsyscall ()
#1  0xb20dfd4b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb75fcdcc in __pthread_cond_wait (cond=0xa7de77dc, mutex=0xa7de77c4) at forward.c:149
#3  0xb4aaa9f3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb4786574 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb4a917c6 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb4aaa369 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb20dbf70 in start_thread (arg=0xa8d7fb40) at pthread_create.c:312
#8  0xb75efbee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 1 (Thread 0xb1139a40 (LWP 3964)):
[KCrash Handler]
#7  0xb73c517c in Plasma::IconWidget::mouseReleaseEvent (this=0xafeb168, event=0xbfb4e9b0) at ../../plasma/widgets/iconwidget.cpp:1460
#8  0xb5b87182 in QGraphicsItem::sceneEvent (this=this@entry=0xafeb170, event=event@entry=0xbfb4e9b0) at graphicsview/qgraphicsitem.cpp:6755
#9  0xb5be3506 in QGraphicsWidget::sceneEvent (this=0xafeb168, event=0xbfb4e9b0) at graphicsview/qgraphicswidget.cpp:1229
#10 0xb5bb07d6 in QGraphicsScenePrivate::sendEvent (this=0x8dc3198, item=0xafeb170, event=0xbfb4e9b0) at graphicsview/qgraphicsscene.cpp:1221
#11 0xb5bb0d16 in QGraphicsScenePrivate::sendMouseEvent (this=0x8dc3198, mouseEvent=0xbfb4e9b0) at graphicsview/qgraphicsscene.cpp:1295
#12 0xb5bb8e0e in QGraphicsScene::mouseReleaseEvent (this=0x8db5f20, mouseEvent=0xbfb4e9b0) at graphicsview/qgraphicsscene.cpp:4128
#13 0xb5bc5b9f in QGraphicsScene::event (this=0x8db5f20, event=0xbfb4e9b0) at graphicsview/qgraphicsscene.cpp:3458
#14 0xb553a7f4 in QApplicationPrivate::notify_helper (this=0x8cb89f0, receiver=0x8db5f20, e=0xbfb4e9b0) at kernel/qapplication.cpp:4567
#15 0xb55412d3 in QApplication::notify (this=0x8cb2148, receiver=receiver@entry=0x8db5f20, e=e@entry=0xbfb4e9b0) at kernel/qapplication.cpp:4353
#16 0xb66a31f4 in KApplication::notify (this=0x8cb2148, receiver=0x8db5f20, event=0xbfb4e9b0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0xb602ee4a in QCoreApplication::notifyInternal (this=0x8cb2148, receiver=receiver@entry=0x8db5f20, event=event@entry=0xbfb4e9b0) at kernel/qcoreapplication.cpp:953
#18 0xb5538c7d in sendSpontaneousEvent (event=0xbfb4e9b0, receiver=0x8db5f20) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#19 qt_sendSpontaneousEvent (receiver=0x8db5f20, event=event@entry=0xbfb4e9b0) at kernel/qapplication.cpp:5565
#20 0xb5bdf702 in QGraphicsView::mouseReleaseEvent (this=0x9376798, event=0xbfb4eea4) at graphicsview/qgraphicsview.cpp:3338
#21 0xb559440a in QWidget::event (this=this@entry=0x9376798, event=event@entry=0xbfb4eea4) at kernel/qwidget.cpp:8376
#22 0xb599a91c in QFrame::event (this=this@entry=0x9376798, e=e@entry=0xbfb4eea4) at widgets/qframe.cpp:557
#23 0xb5a28fd8 in QAbstractScrollArea::viewportEvent (this=this@entry=0x9376798, e=e@entry=0xbfb4eea4) at widgets/qabstractscrollarea.cpp:1043
#24 0xb5be02b7 in QGraphicsView::viewportEvent (this=<optimized out>, event=<optimized out>) at graphicsview/qgraphicsview.cpp:2866
#25 0xb5a29256 in viewportEvent (event=0xbfb4eea4, this=<optimized out>) at widgets/qabstractscrollarea_p.h:100
#26 QAbstractScrollAreaFilter::eventFilter (this=0x9ea6fa0, o=0x9e9b310, e=0xbfb4eea4) at widgets/qabstractscrollarea_p.h:116
#27 0xb602efbe in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x8cb89f0, receiver=receiver@entry=0x9e9b310, event=event@entry=0xbfb4eea4) at kernel/qcoreapplication.cpp:1063
#28 0xb553a7d1 in QApplicationPrivate::notify_helper (this=0x8cb89f0, receiver=receiver@entry=0x9e9b310, e=0xbfb4eea4) at kernel/qapplication.cpp:4563
#29 0xb5542ea0 in QApplication::notify (this=0x8cb2148, receiver=receiver@entry=0x9e9b310, e=e@entry=0xbfb4eea4) at kernel/qapplication.cpp:4110
#30 0xb66a31f4 in KApplication::notify (this=0x8cb2148, receiver=0x9e9b310, event=0xbfb4eea4) at ../../kdeui/kernel/kapplication.cpp:311
#31 0xb602ee4a in QCoreApplication::notifyInternal (this=0x8cb2148, receiver=receiver@entry=0x9e9b310, event=event@entry=0xbfb4eea4) at kernel/qcoreapplication.cpp:953
#32 0xb5540b53 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#33 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x9e9b310, event=0xbfb4eea4, alienWidget=0x9e9b310, nativeWidget=0x9376798, buttonDown=buttonDown@entry=0xb5eb1ce4 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#34 0xb55c47a8 in QETWidget::translateMouseEvent (this=0x9376798, event=event@entry=0xbfb4f0cc) at kernel/qapplication_x11.cpp:4634
#35 0xb55c3ef5 in QApplication::x11ProcessEvent (this=0x8cb2148, event=event@entry=0xbfb4f0cc) at kernel/qapplication_x11.cpp:3627
#36 0xb55ef554 in x11EventSourceDispatch (s=0x8cc3af8, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#37 0xb1fbf1e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#38 0xb1fbf468 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#39 0xb1fbf528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#40 0xb605e93b in QEventDispatcherGlib::processEvents (this=this@entry=0x8c6c8d8, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#41 0xb55ef60e in QGuiEventDispatcherGlib::processEvents (this=0x8c6c8d8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#42 0xb602d823 in QEventLoop::processEvents (this=this@entry=0xbfb4f388, flags=...) at kernel/qeventloop.cpp:149
#43 0xb602db49 in QEventLoop::exec (this=this@entry=0xbfb4f388, flags=...) at kernel/qeventloop.cpp:204
#44 0xb60338fe in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#45 0xb5538a24 in QApplication::exec () at kernel/qapplication.cpp:3828
#46 0xb7709d27 in kdemain (argc=1, argv=0xbfb4f524) at ../../../../plasma/desktop/shell/main.cpp:126
#47 0x0804855b in main (argc=1, argv=0xbfb4f524) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 266504, bug 247362, bug 230040.

Reported using DrKonqi