[kde] [Bug 347227] New: tweaking widgets on taskbar crashed plasma

Kevin Coonan kevin.coonan at gmail.com
Tue May 5 12:53:33 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=347227

            Bug ID: 347227
           Summary: tweaking widgets on taskbar crashed plasma
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: kevin.coonan at gmail.com

Application: plasma-desktop (4.11.17)
KDE Platform Version: 4.14.6
Qt Version: 4.8.6
Operating System: Linux 3.16.7-71.g8bf3d38-default x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed: I was tweaking (adding)
widgets on taskbar and it crashed plasma

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f35ee852780 (LWP 8337))]

Thread 4 (Thread 0x7f35bd141700 (LWP 8343)):
#0  0x00007f35ed14105f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f35df9bb8cb in  () at /usr/lib64/libQtScript.so.4
#2  0x00007f35df9bb909 in  () at /usr/lib64/libQtScript.so.4
#3  0x00007f35ed13d0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f35ebea806d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f3530689700 (LWP 8351)):
#0  0x00007f35ebe9bd0d in read () at /lib64/libc.so.6
#1  0x00007f35dae29f45 in  () at /usr/lib64/tls/libnvidia-tls.so.340.76
#2  0x00007f35e8ff1750 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f35e8fb0714 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007f35e8fb0b7b in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f35e8fb0cec in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#6  0x00007f35ed5020de in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f35280008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#7  0x00007f35ed4d3e6f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f3530688e20, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f35ed4d4165 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f3530688e20, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f35ed3d10bf in QThread::exec() (this=this at entry=0x16bc010) at
thread/qthread.cpp:538
#10 0x00007f35ed4b5783 in QInotifyFileSystemWatcherEngine::run()
(this=0x16bc010) at io/qfilesystemwatcher_inotify.cpp:265
#11 0x00007f35ed3d379f in QThreadPrivate::start(void*) (arg=0x16bc010) at
thread/qthread_unix.cpp:349
#12 0x00007f35ed13d0a4 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f35ebea806d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f350f4d0700 (LWP 8501)):
#0  0x00007f35ed14105f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f35ed3d3c86 in QWaitCondition::wait(QMutex*, unsigned long)
(time=18446744073709551615, this=0x7090350) at
thread/qwaitcondition_unix.cpp:86
#2  0x00007f35ed3d3c86 in QWaitCondition::wait(QMutex*, unsigned long)
(this=<optimized out>, mutex=0x26cc310, time=18446744073709551615) at
thread/qwaitcondition_unix.cpp:158
#3  0x00007f35c173f073 in  () at
/usr/lib64/python2.7/site-packages/PyQt4/QtCore.so
#4  0x00007f35c213fd95 in PyEval_EvalFrameEx () at
/usr/lib64/libpython2.7.so.1.0
#5  0x00007f35c2145981 in PyEval_EvalCodeEx () at
/usr/lib64/libpython2.7.so.1.0
#6  0x00007f35c2129c4f in  () at /usr/lib64/libpython2.7.so.1.0
#7  0x00007f35c21250a6 in PyObject_Call () at /usr/lib64/libpython2.7.so.1.0
#8  0x00007f35c2125f9a in  () at /usr/lib64/libpython2.7.so.1.0
#9  0x00007f35c21250a6 in PyObject_Call () at /usr/lib64/libpython2.7.so.1.0
#10 0x00007f35c213e650 in PyEval_CallObjectWithKeywords () at
/usr/lib64/libpython2.7.so.1.0
#11 0x00007f35c13fa104 in  () at /usr/lib64/python2.7/site-packages/sip.so
#12 0x00007f35c170bcef in sipVH_QtCore_11(PyGILState_STATE, void
(*)(_sipSimpleWrapper*, PyGILState_STATE), _sipSimpleWrapper*, _object*) () at
/usr/lib64/python2.7/site-packages/PyQt4/QtCore.so
#13 0x00007f35c1758ad7 in sipQThread::run() () at
/usr/lib64/python2.7/site-packages/PyQt4/QtCore.so
#14 0x00007f35ed3d379f in QThreadPrivate::start(void*) (arg=0x5562b70) at
thread/qthread_unix.cpp:349
#15 0x00007f35ed13d0a4 in start_thread () at /lib64/libpthread.so.0
#16 0x00007f35ebea806d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f35ee852780 (LWP 8337)):
[KCrash Handler]
#5  0x00007f34d2e6d845 in QMetaObject::className() const () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f34d2526bdf in  () at /usr/lib64/libQt5Widgets.so.5
#7  0x00007f35ee6ac92a in call_init.part () at /lib64/ld-linux-x86-64.so.2
#8  0x00007f35ee6aca13 in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#9  0x00007f35ee6b0b48 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f35ee6ac7e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f35ee6b033b in _dl_open () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f35e9ad802b in dlopen_doit () at /lib64/libdl.so.2
#13 0x00007f35ee6ac7e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#14 0x00007f35e9ad85dd in _dlerror_run () at /lib64/libdl.so.2
#15 0x00007f35e9ad80c1 in dlopen@@GLIBC_2.2.5 () at /lib64/libdl.so.2
#16 0x00007f35ed4c6518 in QLibraryPrivate::load_sys()
(this=this at entry=0x5ba6b30) at plugin/qlibrary_unix.cpp:226
#17 0x00007f35ed4c149a in QLibraryPrivate::load() (this=0x5ba6b30) at
plugin/qlibrary.cpp:469
#18 0x00007f35ed4c1aa3 in QLibraryPrivate::loadPlugin() (this=0x5ba6b30) at
plugin/qlibrary.cpp:519
#19 0x00007f35df2a9d34 in  () at /usr/lib64/libQtDeclarative.so.4
#20 0x00007f35df2aa68a in  () at /usr/lib64/libQtDeclarative.so.4
#21 0x00007f35df2ab213 in  () at /usr/lib64/libQtDeclarative.so.4
#22 0x00007f35df2ae057 in  () at /usr/lib64/libQtDeclarative.so.4
#23 0x00007f35df24f6b7 in  () at /usr/lib64/libQtDeclarative.so.4
#24 0x00007f35df250755 in  () at /usr/lib64/libQtDeclarative.so.4
#25 0x00007f35df24ce2a in  () at /usr/lib64/libQtDeclarative.so.4
#26 0x00007f35df24f17a in  () at /usr/lib64/libQtDeclarative.so.4
#27 0x00007f35df24f398 in  () at /usr/lib64/libQtDeclarative.so.4
#28 0x00007f35df20fc13 in QDeclarativeComponent::loadUrl(QUrl const&) () at
/usr/lib64/libQtDeclarative.so.4
#29 0x00007f35e21ea236 in  () at /usr/lib64/libplasma.so.3
#30 0x00007f35c4336592 in  () at
/usr/lib64/kde4/plasma_appletscript_declarative.so
#31 0x00007f35e21227f2 in Plasma::Applet::init() () at
/usr/lib64/libplasma.so.3
#32 0x00007f35c37fb7f0 in
SystemTray::PlasmoidTask::createWidget(Plasma::Applet*) () at
/usr/lib64/kde4/plasma_applet_systemtray.so
#33 0x00007f35c37f3af0 in SystemTray::Task::widget(Plasma::Applet*, bool) () at
/usr/lib64/kde4/plasma_applet_systemtray.so
#34 0x00007f35c3807500 in SystemTray::Applet::_onAddedTask(SystemTray::Task*)
() at /usr/lib64/kde4/plasma_applet_systemtray.so
#35 0x00007f35c3807bc4 in SystemTray::Applet::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) [clone .part.68] () at
/usr/lib64/kde4/plasma_applet_systemtray.so
#36 0x00007f35ed4e91fa in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=0x1e41010, m=<optimized out>,
local_signal_index=<optimized out>, argv=0x7ffc52e9b820) at
kernel/qobject.cpp:3576
#37 0x00007f35c37f2ce1 in SystemTray::Manager::addTask(SystemTray::Task*) () at
/usr/lib64/kde4/plasma_applet_systemtray.so
#38 0x00007f35c37f2dbc in SystemTray::Manager::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) [clone .part.5] () at
/usr/lib64/kde4/plasma_applet_systemtray.so
#39 0x00007f35ed4e91fa in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=0x1e41190, m=<optimized out>,
local_signal_index=<optimized out>, argv=0x7ffc52e9b9a0) at
kernel/qobject.cpp:3576
#40 0x00007f35c37f344f in SystemTray::Protocol::taskCreated(SystemTray::Task*)
() at /usr/lib64/kde4/plasma_applet_systemtray.so
#41 0x00007f35c37fa47e in SystemTray::PlasmoidProtocol::addApplet(QString, int,
Plasma::Applet*) () at /usr/lib64/kde4/plasma_applet_systemtray.so
#42 0x00007f35c37f2956 in SystemTray::Manager::addApplet(QString,
Plasma::Applet*) () at /usr/lib64/kde4/plasma_applet_systemtray.so
#43 0x00007f35c3806a7a in SystemTray::Applet::configAccepted() () at
/usr/lib64/kde4/plasma_applet_systemtray.so
#44 0x00007f35c3807c05 in SystemTray::Applet::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) [clone .part.68] () at
/usr/lib64/kde4/plasma_applet_systemtray.so
#45 0x00007f35ed4e91fa in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=0x10954110, m=<optimized out>,
local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3576
#46 0x00007f35ee1db476 in KDialog::slotButtonClicked(int) () at
/usr/lib64/libkdeui.so.5
#47 0x00007f35ee1dcdcf in  () at /usr/lib64/libkdeui.so.5
#48 0x00007f35ed4e91fa in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender at entry=0x111698b0, m=m at entry=0x7f35ed836c60
<QSignalMapper::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffc52e9be90)
at kernel/qobject.cpp:3576
#49 0x00007f35ed4f091e in QSignalMapper::mapped(int)
(this=this at entry=0x111698b0, _t1=8) at
.moc/release-shared/moc_qsignalmapper.cpp:114
#50 0x00007f35ed4f0a26 in QSignalMapper::map(QObject*) (this=0x111698b0,
sender=0x2ce4080) at kernel/qsignalmapper.cpp:266
#51 0x00007f35ed4e91fa in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=0x2ce4080, m=<optimized out>,
local_signal_index=<optimized out>, argv=0x7ffc52e9c000) at
kernel/qobject.cpp:3576
#52 0x00007f35ecc9abb2 in QAbstractButton::clicked(bool) () at
/usr/lib64/libQtGui.so.4
#53 0x00007f35ec9fdfe3 in  () at /usr/lib64/libQtGui.so.4
#54 0x00007f35ec9ff153 in  () at /usr/lib64/libQtGui.so.4
#55 0x00007f35ec9ff23c in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
at /usr/lib64/libQtGui.so.4
#56 0x00007f35ec6a0c0a in QWidget::event(QEvent*) () at
/usr/lib64/libQtGui.so.4
#57 0x00007f35ec65176c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQtGui.so.4
#58 0x00007f35ec657dea in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQtGui.so.4
#59 0x00007f35ee278cea in KApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libkdeui.so.5
#60 0x00007f35ed4d52ad in QCoreApplication::notifyInternal(QObject*, QEvent*)
(this=0x177fd60, receiver=0x2ce4080, event=0x7ffc52e9c4f0) at
kernel/qcoreapplication.cpp:953
#61 0x00007f35ec6575e3 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/usr/lib64/libQtGui.so.4
#62 0x00007f35ec6c8c9b in  () at /usr/lib64/libQtGui.so.4
#63 0x00007f35ec6c770c in QApplication::x11ProcessEvent(_XEvent*) () at
/usr/lib64/libQtGui.so.4
#64 0x00007f35ec6ee5c2 in  () at /usr/lib64/libQtGui.so.4
#65 0x00007f35e8fb0a04 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#66 0x00007f35e8fb0c48 in  () at /usr/lib64/libglib-2.0.so.0
#67 0x00007f35e8fb0cec in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#68 0x00007f35ed5020be in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x18159d0, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#69 0x00007f35ec6ee676 in  () at /usr/lib64/libQtGui.so.4
#70 0x00007f35ed4d3e6f in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ffc52e9cc30, flags=...) at kernel/qeventloop.cpp:149
#71 0x00007f35ed4d4165 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ffc52e9cc30, flags=...) at kernel/qeventloop.cpp:204
#72 0x00007f35ed4d95b9 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1225
#73 0x00007f35d69a3b94 in kdemain () at
/usr/lib64/libkdeinit4_plasma-desktop.so
#74 0x0000000000408815 in _start ()

Reported using DrKonqi

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