Created attachment 88003 [details] backtrace dump of crash Application: plasma-desktop (4.11.10) KDE Platform Version: 4.13.2 Qt Version: 4.8.6 Operating System: Linux 3.13.0-32-generic x86_64 Distribution: Ubuntu 14.04.1 LTS -- Information about the crash: - What I was doing when the application crashed: I have laptop monitor and hdmi monitor(it's a priority monitor). I added a panel on both monitors on high. After disconnect htmi monitor, i keep getting notification on two corners of the panel on the laptop screen(left and right). After connect hdmi monitor (he is main), time widget on the panel on the laptop monitor looks strange and don't open settings of this panel. After remove the panel on the laptop monitor i try add default panel and plasma crash. The crash can be reproduced every time.
Thread 1 (Thread 0x7f997945f7c0 (LWP 2285)): [KCrash Handler] #6 0x0000000000000000 in ?? () #7 0x00007f9975900994 in QObject::connect (sender=sender@entry=0x48fc4b0, signal=signal@entry=0x7f994fcbf569 "2destroyed()", receiver=receiver@entry=0x62985b0, method=method@entry=0x7f994fcbf558 "1widgetDeleted()", type=type@entry=Qt::AutoConnection) at kernel/qobject.cpp:2546 #8 0x00007f994fca769f in SystemTray::Task::widget (this=this@entry=0x62985b0, host=host@entry=0x74d1a70, createIfNecessary=createIfNecessary@entry=true) at ../../../../../plasma/generic/applets/systemtray/core/task.cpp:80 #9 0x00007f994fcbb010 in SystemTray::Applet::_onAddedTask (this=this@entry=0x74d1a70, task=0x62985b0) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:196 #10 0x00007f994fcbb3cb in SystemTray::Applet::_onWidgetCreationFinished (this=0x74d1a70) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:278 #11 0x00007f994fcbb6a5 in SystemTray::Applet::qt_static_metacall (_o=0x48fc4b0, _id=1338766697, _a=0x7fffab56a450, _c=<optimized out>) at ./applet.moc:143 #12 0x00007f99758ff87a in QMetaObject::activate (sender=0x5e64cf0, m=m@entry=0x7f9978c47040 <Plasma::DeclarativeWidget::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539 #13 0x00007f997890ef70 in Plasma::DeclarativeWidget::finished (this=<optimized out>) at ./declarativewidget.moc:156 #14 0x00007f997890f6cf in Plasma::DeclarativeWidgetPrivate::finishExecute (this=0x5c83350) at ../../plasma/widgets/declarativewidget.cpp:216 #15 0x00007f9975903c1e in QObject::event (this=this@entry=0x5e64cf0, e=e@entry=0x66b0c60) at kernel/qobject.cpp:1194 #16 0x00007f997528445b in QGraphicsWidget::event (this=0x5e64cf0, event=0x66b0c60) at graphicsview/qgraphicswidget.cpp:1461 #17 0x00007f9974c84e2c in QApplicationPrivate::notify_helper (this=this@entry=0x24d59f0, receiver=receiver@entry=0x5e64cf0, e=e@entry=0x66b0c60) at kernel/qapplication.cpp:4567 #18 0x00007f9974c8b4a0 in QApplication::notify (this=this@entry=0x24cbe70, receiver=receiver@entry=0x5e64cf0, e=e@entry=0x66b0c60) at kernel/qapplication.cpp:4353 #19 0x00007f99765b0d1a in KApplication::notify (this=0x24cbe70, receiver=0x5e64cf0, event=0x66b0c60) at ../../kdeui/kernel/kapplication.cpp:311 #20 0x00007f99758eb4dd in QCoreApplication::notifyInternal (this=0x24cbe70, receiver=receiver@entry=0x5e64cf0, event=event@entry=0x66b0c60) at kernel/qcoreapplication.cpp:953 #21 0x00007f99758eeb3d in sendEvent (event=0x66b0c60, receiver=0x5e64cf0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231 #22 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x243b1f0) at kernel/qcoreapplication.cpp:1577 #23 0x00007f99758eefe3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470 #24 0x00007f9975918f83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236 #25 postEventSourceDispatch (s=0x24cd350) at kernel/qeventdispatcher_glib.cpp:287 #26 0x00007f996c29de04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #27 0x00007f996c29e048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #28 0x00007f996c29e0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #29 0x00007f99759187a1 in QEventDispatcherGlib::processEvents (this=0x243caf0, flags=...) at kernel/qeventdispatcher_glib.cpp:434 #30 0x00007f9974d26bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204 #31 0x00007f99758ea0af in QEventLoop::processEvents (this=this@entry=0x7fffab56abb0, flags=...) at kernel/qeventloop.cpp:149 #32 0x00007f99758ea3a5 in QEventLoop::exec (this=this@entry=0x7fffab56abb0, flags=...) at kernel/qeventloop.cpp:204 #33 0x00007f99758efb79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225 #34 0x00007f9974c8337c in QApplication::exec () at kernel/qapplication.cpp:3828 #35 0x00007f997905767c in kdemain (argc=1, argv=0x7fffab56ae08) at ../../../../plasma/desktop/shell/main.cpp:126 #36 0x00007f9978c76ec5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, argv=0x7fffab56ae08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffab56adf8) at libc-start.c:287 #37 0x000000000040070e in _start () *** This bug has been marked as a duplicate of bug 290712 ***
*** This bug has been marked as a duplicate of bug 323679 ***