Bug 234535

Summary:	Konqueror crash when submitting form (KFileDialog, preview related)
Product:	[Applications] konqueror	Reporter:	Carsten Pfeiffer <pfeiffer>
Component:	general	Assignee:	Konqueror Bugs <konqueror-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Debian unstable
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Carsten Pfeiffer 2010-04-16 14:32:56 UTC

Application: konqueror (4.4.2 (KDE 4.4.2))
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-trunk-686-bigmem i686
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
Incidentally I was submitting a bug report with konqueror through an html form, when konqueror crashed as I hit the "Submit" button.
The form contained some fields to upload files, which I did. I.e. I used KFileDialog to navigate to and select the files to submit.

The stacktrace really looks suspicious to me. Either it is completely bogus, or there is some really strange event handling involved (see those multiple createAudioPreview() calls.

Luckily the form was still successfully submitted to the server.

 -- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
[Current thread is 1 (Thread 0xb53ed700 (LWP 6628))]

Thread 3 (Thread 0x97dc7b70 (LWP 7059)):
#0  0xb774c424 in __kernel_vsyscall ()
#1  0xb581c3d2 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
#2  0xb75e8864 in __pthread_cond_timedwait (cond=0xb2be510, mutex=0xb2be4f8, abstime=0x97dc7350) at forward.c:152
#3  0xad687bcf in ?? () from /usr/lib/libxine.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 2 (Thread 0xa5675b70 (LWP 7880)):
#0  0xb5819e7a in __pthread_mutex_lock (mutex=0xb2d40ac) at pthread_mutex_lock.c:61
#1  0xb75e89d6 in pthread_mutex_lock (mutex=0xb2d40ac) at forward.c:182
#2  0xb5b43144 in ?? () from /usr/lib/libxcb.so.1
#3  0xb5b45421 in xcb_wait_for_reply () from /usr/lib/libxcb.so.1
#4  0xb5b4f53b in xcb_intern_atom_reply () from /usr/lib/libxcb.so.1
#5  0x95b38749 in ?? () from /usr/lib/xine/plugins/1.28/xineplug_vo_out_xcbxv.so
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0xb53ed700 (LWP 6628)):
[KCrash Handler]
#6  0xb61f9717 in QAbstractButton::isChecked() const () from /usr/lib/libQtGui.so.4
#7  0xb6935cff in QObjectPrivate::deleteChildren() () from /usr/lib/libQtCore.so.4
#8  0xb5e59973 in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
#9  0xb624a861 in QFrame::~QFrame() () from /usr/lib/libQtGui.so.4
#10 0xb62b6a55 in QStackedWidget::~QStackedWidget() () from /usr/lib/libQtGui.so.4
#11 0xb6935cff in QObjectPrivate::deleteChildren() () from /usr/lib/libQtCore.so.4
#12 0xb5e59973 in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
#13 0xb728ada7 in KPreviewWidgetBase::~KPreviewWidgetBase() () from /usr/lib/libkio.so.5
#14 0xb7278728 in KFileMetaPreview::~KFileMetaPreview() () from /usr/lib/libkio.so.5
#15 0xae18e30f in KDirOperator::Private::~Private() () from /usr/lib/libkfile.so.4
#16 0xae18e4e4 in KDirOperator::~KDirOperator() () from /usr/lib/libkfile.so.4
#17 0xae1aa8a5 in KFileWidget::~KFileWidget() () from /usr/lib/libkfile.so.4
#18 0xb6935cff in QObjectPrivate::deleteChildren() () from /usr/lib/libQtCore.so.4
#19 0xb5e59973 in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
#20 0xb632e024 in QDialog::~QDialog() () from /usr/lib/libQtGui.so.4
#21 0xb6dd5844 in KDialog::~KDialog() () from /usr/lib/libkdeui.so.5
#22 0xb726feb9 in KFileDialog::~KFileDialog() () from /usr/lib/libkio.so.5
#23 0xb72b80c5 in KUrlRequester::~KUrlRequester() () from /usr/lib/libkio.so.5
#24 0xb31c12bd in ?? () from /usr/lib/libkhtml.so.5
#25 0xb69358d5 in qDeleteInEventHandler(QObject*) () from /usr/lib/libQtCore.so.4
#26 0xb6936f98 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#27 0xb5e518c6 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#28 0xb624a563 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0xb5df3bec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0xb5dfa7d9 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0xb6e747aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#32 0xb692676b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#33 0xb6929143 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#34 0xb69292ad in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#35 0xb695269f in ?? () from /usr/lib/libQtCore.so.4
#36 0xb57752e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#37 0xb5779000 in ?? () from /lib/libglib-2.0.so.0
#38 0xb5779198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#39 0xb6952195 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#40 0xb5eb2145 in ?? () from /usr/lib/libQtGui.so.4
#41 0xb6924d89 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#42 0xb69251da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#43 0xb2e5a8b1 in Phonon::PulseSupport::PulseSupport() () from /usr/lib/libphonon.so.4
#44 0xb2e5a93f in Phonon::PulseSupport::getInstance() () from /usr/lib/libphonon.so.4
#45 0xad6fc934 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#46 0xad6fd141 in qt_plugin_instance () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#47 0xb690b7f4 in QPluginLoader::instance() () from /usr/lib/libQtCore.so.4
#48 0xae4b5383 in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#49 0xae4b5ab1 in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#50 0xb2e4a703 in ?? () from /usr/lib/libphonon.so.4
#51 0xb2e4b5a3 in Phonon::Factory::backend(bool) () from /usr/lib/libphonon.so.4
#52 0xb2e42a56 in Phonon::BackendCapabilities::availableMimeTypes() () from /usr/lib/libphonon.so.4
#53 0xad812986 in ?? () from /usr/lib/kde4/kfileaudiopreview.so
#54 0xad8134bd in QObject* KPluginFactory::createInstance<KFileAudioPreview, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kfileaudiopreview.so
#55 0xb6c3f7ae in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /usr/lib/libkdecore.so.5
#56 0xb7278a54 in KFileMetaPreview::createAudioPreview(QWidget*) () from /usr/lib/libkio.so.5
#57 0xb72797bb in KFileMetaPreview::previewProviderFor(QString const&) () from /usr/lib/libkio.so.5
#58 0xb72788a6 in KFileMetaPreview::showPreview(KUrl const&) () from /usr/lib/libkio.so.5
#59 0xae18a8e2 in KDirOperator::Private::_k_showPreview() () from /usr/lib/libkfile.so.4
#60 0xae18affd in KDirOperator::Private::_k_triggerPreview(QModelIndex const&) () from /usr/lib/libkfile.so.4
#61 0xae19773f in KDirOperator::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkfile.so.4
#62 0xb692b96a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#63 0xb6939f45 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#64 0xb6388953 in QAbstractItemView::entered(QModelIndex const&) () from /usr/lib/libQtGui.so.4
#65 0xb638d567 in ?? () from /usr/lib/libQtGui.so.4
#66 0xb63948e9 in QAbstractItemView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#67 0xb63ae56a in QListView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#68 0xb5e51c3a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#69 0xb624a563 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#70 0xb62e4a92 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#71 0xb6399667 in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#72 0xb62e7475 in ?? () from /usr/lib/libQtGui.so.4
#73 0xb6925a0a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#74 0xb5df3bc9 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#75 0xb5dfb0d7 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#76 0xb6e747aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#77 0xb692676b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#78 0xb5dfa032 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#79 0xb5e84f7c in ?? () from /usr/lib/libQtGui.so.4
#80 0xb5e8452b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#81 0xb5eb25e2 in ?? () from /usr/lib/libQtGui.so.4
#82 0xb57752e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#83 0xb5779000 in ?? () from /lib/libglib-2.0.so.0
#84 0xb5779198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#85 0xb6952195 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#86 0xb5eb2145 in ?? () from /usr/lib/libQtGui.so.4
#87 0xb6924d89 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#88 0xb69251da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#89 0xb2e5a8b1 in Phonon::PulseSupport::PulseSupport() () from /usr/lib/libphonon.so.4
#90 0xb2e5a93f in Phonon::PulseSupport::getInstance() () from /usr/lib/libphonon.so.4
#91 0xad6fc934 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#92 0xad6fd141 in qt_plugin_instance () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#93 0xb690b7f4 in QPluginLoader::instance() () from /usr/lib/libQtCore.so.4
#94 0xae4b5383 in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#95 0xae4b5ab1 in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#96 0xb2e4a703 in ?? () from /usr/lib/libphonon.so.4
#97 0xb2e4b5a3 in Phonon::Factory::backend(bool) () from /usr/lib/libphonon.so.4
#98 0xb2e42a56 in Phonon::BackendCapabilities::availableMimeTypes() () from /usr/lib/libphonon.so.4
#99 0xad812986 in ?? () from /usr/lib/kde4/kfileaudiopreview.so
#100 0xad8134bd in QObject* KPluginFactory::createInstance<KFileAudioPreview, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kfileaudiopreview.so
#101 0xb6c3f7ae in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /usr/lib/libkdecore.so.5
#102 0xb7278a54 in KFileMetaPreview::createAudioPreview(QWidget*) () from /usr/lib/libkio.so.5
#103 0xb72797bb in KFileMetaPreview::previewProviderFor(QString const&) () from /usr/lib/libkio.so.5
#104 0xb72788a6 in KFileMetaPreview::showPreview(KUrl const&) () from /usr/lib/libkio.so.5
#105 0xae18a8e2 in KDirOperator::Private::_k_showPreview() () from /usr/lib/libkfile.so.4
#106 0xae18affd in KDirOperator::Private::_k_triggerPreview(QModelIndex const&) () from /usr/lib/libkfile.so.4
#107 0xae19773f in KDirOperator::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkfile.so.4
#108 0xb692b96a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#109 0xb6939f45 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#110 0xb6388953 in QAbstractItemView::entered(QModelIndex const&) () from /usr/lib/libQtGui.so.4
#111 0xb638d567 in ?? () from /usr/lib/libQtGui.so.4
#112 0xb63948e9 in QAbstractItemView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#113 0xb63ae56a in QListView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#114 0xb5e51c3a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#115 0xb624a563 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#116 0xb62e4a92 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#117 0xb6399667 in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#118 0xb62e7475 in ?? () from /usr/lib/libQtGui.so.4
#119 0xb6925a0a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#120 0xb5df3bc9 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#121 0xb5dfb0d7 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#122 0xb6e747aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#123 0xb692676b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#124 0xb5dfa032 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#125 0xb5e84f7c in ?? () from /usr/lib/libQtGui.so.4
#126 0xb5e8452b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#127 0xb5eb25e2 in ?? () from /usr/lib/libQtGui.so.4
#128 0xb57752e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#129 0xb5779000 in ?? () from /lib/libglib-2.0.so.0
#130 0xb5779198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#131 0xb6952195 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#132 0xb5eb2145 in ?? () from /usr/lib/libQtGui.so.4
#133 0xb6924d89 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#134 0xb69251da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#135 0xb2e5a8b1 in Phonon::PulseSupport::PulseSupport() () from /usr/lib/libphonon.so.4
#136 0xb2e5a93f in Phonon::PulseSupport::getInstance() () from /usr/lib/libphonon.so.4
#137 0xad6fc934 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#138 0xad6fd141 in qt_plugin_instance () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#139 0xb690b7f4 in QPluginLoader::instance() () from /usr/lib/libQtCore.so.4
#140 0xae4b5383 in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#141 0xae4b5ab1 in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#142 0xb2e4a703 in ?? () from /usr/lib/libphonon.so.4
#143 0xb2e4b5a3 in Phonon::Factory::backend(bool) () from /usr/lib/libphonon.so.4
#144 0xb2e42a56 in Phonon::BackendCapabilities::availableMimeTypes() () from /usr/lib/libphonon.so.4
#145 0xad812986 in ?? () from /usr/lib/kde4/kfileaudiopreview.so
#146 0xad8134bd in QObject* KPluginFactory::createInstance<KFileAudioPreview, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kfileaudiopreview.so
#147 0xb6c3f7ae in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /usr/lib/libkdecore.so.5
#148 0xb7278a54 in KFileMetaPreview::createAudioPreview(QWidget*) () from /usr/lib/libkio.so.5
#149 0xb72797bb in KFileMetaPreview::previewProviderFor(QString const&) () from /usr/lib/libkio.so.5
#150 0xb72788a6 in KFileMetaPreview::showPreview(KUrl const&) () from /usr/lib/libkio.so.5
#151 0xae18a8e2 in KDirOperator::Private::_k_showPreview() () from /usr/lib/libkfile.so.4
#152 0xae18affd in KDirOperator::Private::_k_triggerPreview(QModelIndex const&) () from /usr/lib/libkfile.so.4
#153 0xae19773f in KDirOperator::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkfile.so.4
#154 0xb692b96a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#155 0xb6939f45 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#156 0xb6388953 in QAbstractItemView::entered(QModelIndex const&) () from /usr/lib/libQtGui.so.4
#157 0xb638d567 in ?? () from /usr/lib/libQtGui.so.4
#158 0xb63948e9 in QAbstractItemView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#159 0xb63ae56a in QListView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#160 0xb5e51c3a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#161 0xb624a563 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#162 0xb62e4a92 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#163 0xb6399667 in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#164 0xb62e7475 in ?? () from /usr/lib/libQtGui.so.4
#165 0xb6925a0a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#166 0xb5df3bc9 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#167 0xb5dfb0d7 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#168 0xb6e747aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#169 0xb692676b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#170 0xb5dfa032 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#171 0xb5e84f7c in ?? () from /usr/lib/libQtGui.so.4
#172 0xb5e8452b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#173 0xb5eb25e2 in ?? () from /usr/lib/libQtGui.so.4
#174 0xb57752e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#175 0xb5779000 in ?? () from /lib/libglib-2.0.so.0
#176 0xb5779198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#177 0xb6952195 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#178 0xb5eb2145 in ?? () from /usr/lib/libQtGui.so.4
#179 0xb6924d89 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#180 0xb69251da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#181 0xb2e5a8b1 in Phonon::PulseSupport::PulseSupport() () from /usr/lib/libphonon.so.4
#182 0xb2e5a93f in Phonon::PulseSupport::getInstance() () from /usr/lib/libphonon.so.4
#183 0xad6fc934 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#184 0xad6fd141 in qt_plugin_instance () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#185 0xb690b7f4 in QPluginLoader::instance() () from /usr/lib/libQtCore.so.4
#186 0xae4b5383 in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#187 0xae4b5ab1 in ?? () from /usr/lib/kde4/plugins/phonon_platform/kde.so
#188 0xb2e4a703 in ?? () from /usr/lib/libphonon.so.4
#189 0xb2e4b5a3 in Phonon::Factory::backend(bool) () from /usr/lib/libphonon.so.4
#190 0xb2e42a56 in Phonon::BackendCapabilities::availableMimeTypes() () from /usr/lib/libphonon.so.4
#191 0xad812986 in ?? () from /usr/lib/kde4/kfileaudiopreview.so
#192 0xad8134bd in QObject* KPluginFactory::createInstance<KFileAudioPreview, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kfileaudiopreview.so
#193 0xb6c3f7ae in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /usr/lib/libkdecore.so.5
#194 0xb7278a54 in KFileMetaPreview::createAudioPreview(QWidget*) () from /usr/lib/libkio.so.5
#195 0xb72797bb in KFileMetaPreview::previewProviderFor(QString const&) () from /usr/lib/libkio.so.5
#196 0xb72788a6 in KFileMetaPreview::showPreview(KUrl const&) () from /usr/lib/libkio.so.5
#197 0xae18a8e2 in KDirOperator::Private::_k_showPreview() () from /usr/lib/libkfile.so.4
#198 0xae18affd in KDirOperator::Private::_k_triggerPreview(QModelIndex const&) () from /usr/lib/libkfile.so.4
#199 0xae19773f in KDirOperator::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkfile.so.4
#200 0xb692b96a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#201 0xb6939f45 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#202 0xb6388953 in QAbstractItemView::entered(QModelIndex const&) () from /usr/lib/libQtGui.so.4
#203 0xb638d567 in ?? () from /usr/lib/libQtGui.so.4
#204 0xb63948e9 in QAbstractItemView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#205 0xb63ae56a in QListView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#206 0xb5e51c3a in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#207 0xb624a563 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#208 0xb62e4a92 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#209 0xb6399667 in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#210 0xb62e7475 in ?? () from /usr/lib/libQtGui.so.4
#211 0xb6925a0a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#212 0xb5df3bc9 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#213 0xb5dfb0d7 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#214 0xb6e747aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#215 0xb692676b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#216 0xb5dfa032 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#217 0xb5e84f7c in ?? () from /usr/lib/libQtGui.so.4
#218 0xb5e8452b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#219 0xb5eb25e2 in ?? () from /usr/lib/libQtGui.so.4
#220 0xb57752e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#221 0xb5779000 in ?? () from /lib/libglib-2.0.so.0
#222 0xb5779198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#223 0xb6952195 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#224 0xb5eb2145 in ?? () from /usr/lib/libQtGui.so.4
#225 0xb6924d89 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#226 0xb69251da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#227 0xb632ede3 in QDialog::exec() () from /usr/lib/libQtGui.so.4
#228 0xb72b995a in KUrlRequester::KUrlRequesterPrivate::_k_slotOpenDialog() () from /usr/lib/libkio.so.5
#229 0xb72ba0be in KUrlRequester::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkio.so.5
#230 0xb692b96a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#231 0xb6939f45 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#232 0xb651b2e9 in QAbstractButton::clicked(bool) () from /usr/lib/libQtGui.so.4
#233 0xb61fa469 in ?? () from /usr/lib/libQtGui.so.4
#234 0xb61fb2b4 in ?? () from /usr/lib/libQtGui.so.4
#235 0xb61fb56e in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#236 0xb31aea34 in ?? () from /usr/lib/libkhtml.so.5
#237 0xb31b2176 in ?? () from /usr/lib/libkhtml.so.5
#238 0xb312ce13 in ?? () from /usr/lib/libkhtml.so.5
#239 0xb313d7d2 in ?? () from /usr/lib/libkhtml.so.5
#240 0xb30c0c08 in ?? () from /usr/lib/libkhtml.so.5
#241 0xb30c0e04 in ?? () from /usr/lib/libkhtml.so.5
#242 0xb30217b5 in KHTMLView::dispatchMouseEvent(int, DOM::NodeImpl*, DOM::NodeImpl*, bool, int, QMouseEvent*, bool, int, int) () from /usr/lib/libkhtml.so.5
#243 0xb303022e in KHTMLView::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libkhtml.so.5
#244 0xb5e51d98 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#245 0xb624a563 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#246 0xb302d86c in KHTMLView::widgetEvent(QEvent*) () from /usr/lib/libkhtml.so.5
#247 0xb302db65 in KHTMLView::eventFilter(QObject*, QEvent*) () from /usr/lib/libkhtml.so.5
#248 0xb6925a0a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#249 0xb5df3bc9 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#250 0xb5dfb0d7 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#251 0xb6e747aa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#252 0xb692676b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#253 0xb5dfa032 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#254 0xb5e84f7c in ?? () from /usr/lib/libQtGui.so.4
#255 0xb5e8452b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#256 0xb5eb25e2 in ?? () from /usr/lib/libQtGui.so.4
#257 0xb57752e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#258 0xb5779000 in ?? () from /lib/libglib-2.0.so.0
#259 0xb5779198 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#260 0xb6952195 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#261 0xb5eb2145 in ?? () from /usr/lib/libQtGui.so.4
#262 0xb6924d89 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#263 0xb69251da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#264 0xb692936f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#265 0xb5df3c87 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#266 0xb77319cf in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_konqueror.so
#267 0x080485fb in _start ()

Possible duplicates by query: bug 216215, bug 209960.

Reported using DrKonqi

Comment 1 Maksim Orlovich 2010-04-16 17:06:29 UTC

It's pulse-support thing for Phonon using nested event loops:

#42 0xb69251da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#43 0xb2e5a8b1 in Phonon::PulseSupport::PulseSupport() () from
/usr/lib/libphonon.so.4

Looks like it was already fixed in phonon's git, though (thanks to Sho for pointing it out)

*** This bug has been marked as a duplicate of bug 228324 ***