Bug 205290

Summary:	crash with media player widget
Product:	[Unmaintained] plasma4	Reporter:	Dung Nguyen Xuan <dung_nx>
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED UPSTREAM
Severity:	crash	CC:	aseigo, darktears31, homoludens1000, martin, peebhat
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Unlisted Binaries
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Dung Nguyen Xuan 2009-08-27 06:33:49 UTC

Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.00 (KDE 4.3.0) "release 152"
Qt Version: 4.5.2
Operating System: Linux 2.6.27.29-0.1-default i686

What I was doing when the application crashed:
When click on blue button on the right (I don't know what it is), I get a crash with plasma theme Air

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5f69700 (LWP 3131))]

Thread 7 (Thread 0xa8a40b90 (LWP 3347)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb7decc35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7e4c582 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#3  0xb76c2ad2 in ?? () from /usr/lib/libQtNetwork.so.4
#4  0xb7e4b572 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb7de91b5 in start_thread () from /lib/libpthread.so.0
#6  0xb66313be in clone () from /lib/libc.so.6

Thread 6 (Thread 0xa80d3b90 (LWP 3597)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb7decf62 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xa70ac721 in ?? () from /usr/lib/libxine.so.1
#3  0xb7de91b5 in start_thread () from /lib/libpthread.so.0
#4  0xb66313be in clone () from /lib/libc.so.6

Thread 5 (Thread 0xa5c2fb90 (LWP 3598)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb7decf62 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xa70bb17e in ?? () from /usr/lib/libxine.so.1
#3  0xb7de91b5 in start_thread () from /lib/libpthread.so.0
#4  0xb66313be in clone () from /lib/libc.so.6

Thread 4 (Thread 0xa5378b90 (LWP 3601)):
#0  0xb7dea5ac in pthread_mutex_lock () from /lib/libpthread.so.0
#1  0xa604b036 in ?? () from /usr/lib/xine/plugins/1.26/xineplug_ao_out_alsa.so
#2  0xb7de91b5 in start_thread () from /lib/libpthread.so.0
#3  0xb66313be in clone () from /lib/libc.so.6

Thread 3 (Thread 0xa4b77b90 (LWP 3602)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb7decc35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xa70bef33 in ?? () from /usr/lib/libxine.so.1
#3  0xb7de91b5 in start_thread () from /lib/libpthread.so.0
#4  0xb66313be in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa4376b90 (LWP 3603)):
#0  0xb653e3da in clock_gettime () from /lib/librt.so.1
#1  0xb7f6d62b in ?? () from /usr/lib/libQtCore.so.4
#2  0xb7f6d801 in ?? () from /usr/lib/libQtCore.so.4
#3  0xb7f6f02c in ?? () from /usr/lib/libQtCore.so.4
#4  0xb7f6bab8 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb64b18da in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#6  0xb64b1d6a in ?? () from /usr/lib/libglib-2.0.so.0
#7  0xb64b2241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#8  0xb7f6b8f7 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#9  0xb7f3e78a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#10 0xb7f3ebd2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#11 0xb7e48229 in QThread::exec() () from /usr/lib/libQtCore.so.4
#12 0xa71012f8 in ?? () from /usr/lib/kde4/phonon_xine.so
#13 0xb7e4b572 in ?? () from /usr/lib/libQtCore.so.4
#14 0xb7de91b5 in start_thread () from /lib/libpthread.so.0
#15 0xb66313be in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5f69700 (LWP 3131)):
[KCrash Handler]
#6  0xb6f5859a in QGraphicsProxyWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#7  0xb69087fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#8  0xb6910aee in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0xb73fb27d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#10 0xb7f4016b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#11 0xb6f45fa4 in QGraphicsWidget::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#12 0xb6f1b31c in ?? () from /usr/lib/libQtGui.so.4
#13 0xb6f1b349 in QGraphicsScene::inputMethodEvent(QInputMethodEvent*) () from /usr/lib/libQtGui.so.4
#14 0xb6f28c9a in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#15 0xb69087fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0xb6910aee in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#17 0xb73fb27d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#18 0xb7f4016b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#19 0xb6f35109 in QGraphicsView::inputMethodEvent(QInputMethodEvent*) () from /usr/lib/libQtGui.so.4
#20 0xb695f6f2 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#21 0xb6cf05f3 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#22 0xb6d9138d in QAbstractScrollArea::event(QEvent*) () from /usr/lib/libQtGui.so.4
#23 0xb6f381a6 in QGraphicsView::event(QEvent*) () from /usr/lib/libQtGui.so.4
#24 0xb69087fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#25 0xb6910bd2 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#26 0xb73fb27d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#27 0xb7f4016b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#28 0xb6eec428 in QInputContext::sendEvent(QInputMethodEvent const&) () from /usr/lib/libQtGui.so.4
#29 0xb6eec3d8 in QInputContext::sendEvent(QInputMethodEvent const&) () from /usr/lib/libQtGui.so.4
#30 0xa80dee77 in ScimBridgeClientIMContextImpl::update_preedit() () from /usr/lib/qt4/plugins/inputmethods/im-scim-bridge.so
#31 0xa80df029 in ScimBridgeClientIMContextImpl::focus_out() () from /usr/lib/qt4/plugins/inputmethods/im-scim-bridge.so
#32 0xa80df0c8 in ScimBridgeClientIMContextImpl::widgetDestroyed(QWidget*) () from /usr/lib/qt4/plugins/inputmethods/im-scim-bridge.so
#33 0xa8204fb9 in ?? () from /usr/lib/qt4/plugins/inputmethods/libqimsw-multi.so
#34 0xb699a637 in QWidget::destroy(bool, bool) () from /usr/lib/libQtGui.so.4
#35 0xb695a651 in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
#36 0xb6cfeef1 in QLineEdit::~QLineEdit() () from /usr/lib/libQtGui.so.4
#37 0xb74d5344 in KLineEdit::~KLineEdit() () from /usr/lib/libkdeui.so.5
#38 0xb6cbec9b in QComboBox::setLineEdit(QLineEdit*) () from /usr/lib/libQtGui.so.4
#39 0xb74b47dc in KComboBox::setLineEdit(QLineEdit*) () from /usr/lib/libkdeui.so.5
#40 0xb74b4709 in KComboBox::setEditable(bool) () from /usr/lib/libkdeui.so.5
#41 0xb5bbc2fd in KFileWidget::setFilter(QString const&) () from /usr/lib/libkfile.so.4
#42 0xb7937434 in KFileDialog::KFileDialog(KUrl const&, QString const&, QWidget*, QWidget*) () from /usr/lib/libkio.so.5
#43 0xb79393cc in KFileDialog::getOpenFileName(KUrl const&, QString const&, QWidget*, QString const&) () from /usr/lib/libkio.so.5
#44 0xb5d82fb2 in ?? () from /usr/lib/libplasma.so.3
#45 0xb5d832b7 in Plasma::VideoWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libplasma.so.3
#46 0xb7f55788 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQtCore.so.4
#47 0xb7f56412 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#48 0xb5d54d97 in Plasma::IconWidget::clicked() () from /usr/lib/libplasma.so.3
#49 0xb5d566c8 in Plasma::IconWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libplasma.so.3
#50 0xb6ef5de4 in QGraphicsItem::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#51 0xb6f45fcf in QGraphicsWidget::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#52 0xb6f1b31c in ?? () from /usr/lib/libQtGui.so.4
#53 0xb6f1c98a in ?? () from /usr/lib/libQtGui.so.4
#54 0xb6f26f71 in QGraphicsScene::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libQtGui.so.4
#55 0xb6f28bca in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#56 0xb69087fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#57 0xb6910aee in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#58 0xb73fb27d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#59 0xb7f4016b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#60 0xb6f3b192 in QGraphicsView::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#61 0xb695f3d3 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#62 0xb6cf05f3 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#63 0xb6d9088f in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#64 0xb6f3b432 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#65 0xb6d92e95 in ?? () from /usr/lib/libQtGui.so.4
#66 0xb7f3f37a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#67 0xb69087da in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#68 0xb6911461 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#69 0xb73fb27d in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#70 0xb7f4016b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#71 0xb69104ce in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&) () from /usr/lib/libQtGui.so.4
#72 0xb6980706 in ?? () from /usr/lib/libQtGui.so.4
#73 0xb697fadd in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#74 0xb69a95ea in ?? () from /usr/lib/libQtGui.so.4
#75 0xb64ae9c8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#76 0xb64b2083 in ?? () from /usr/lib/libglib-2.0.so.0
#77 0xb64b2241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#78 0xb7f6b8d8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#79 0xb69a8ce5 in ?? () from /usr/lib/libQtGui.so.4
#80 0xb7f3e78a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#81 0xb7f3ebd2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#82 0xb7f41079 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#83 0xb6908677 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#84 0xb4996b00 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#85 0x0804e505 in _start ()

Reported using DrKonqi

Comment 1 Aaron J. Seigo 2009-08-27 14:02:41 UTC

the backtrace stays within Qt the entire time: a scim input plugin is activated on widget destruction and then QGraphicsView is doing something to an invalid object. updstream.

Comment 2 Dario Andres 2009-10-01 14:27:22 UTC

*** Bug 203747 has been marked as a duplicate of this bug. ***

Comment 3 Dario Andres 2009-10-01 14:27:26 UTC

*** Bug 203527 has been marked as a duplicate of this bug. ***

Comment 4 Dario Andres 2009-10-01 14:27:31 UTC

*** Bug 206330 has been marked as a duplicate of this bug. ***

Comment 5 Dario Andres 2009-10-01 14:27:46 UTC

*** Bug 209080 has been marked as a duplicate of this bug. ***