[k3b] [Bug 369491] New: k3b: second burn leads to crash

Thomas Pasch via KDE Bugzilla bugzilla_noreply at kde.org
Wed Sep 28 17:10:33 UTC 2016 

https://bugs.kde.org/show_bug.cgi?id=369491

            Bug ID: 369491
           Summary: k3b: second burn leads to crash
           Product: k3b
           Version: 2.0.3
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k3b at kde.org
          Reporter: thomas.pasch at gmx.de
                CC: michalm at jabster.pl, trueg at kde.org

Application: k3b (2.0.3)
KDE Platform Version: 4.14.24
Qt Version: 4.8.7
Operating System: Linux 4.7.4-200.fc24.x86_64 x86_64
Distribution: "Fedora release 24 (Twenty Four)"

-- Information about the crash:
- What I was doing when the application crashed:

After burning a DVD und used k3b to burn a CD. The application was
inresponsible and I killed it with 'xkill'.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc3ffd40940 (LWP 9165))]

Thread 2 (Thread 0x7fc3d7717700 (LWP 9166)):
#0  0x00007fc3f2b6ba24 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fc3f2b27030 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fc3f2b2792b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#3  0x00007fc3f2b27b1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#4  0x00007fc3f86da47e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQtCore.so.4
#5  0x00007fc3f86a87bf in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#6  0x00007fc3f86a8b25 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#7  0x00007fc3f8597af9 in QThread::exec() () at /lib64/libQtCore.so.4
#8  0x00007fc3f8688613 in QInotifyFileSystemWatcherEngine::run() () at
/lib64/libQtCore.so.4
#9  0x00007fc3f859a3ca in QThreadPrivate::start(void*) () at
/lib64/libQtCore.so.4
#10 0x00007fc3f82fd5ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fc3f67e3f6d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fc3ffd40940 (LWP 9165)):
[KCrash Handler]
#6  0x00007fc3f86bc8d0 in QObject::thread() const () at /lib64/libQtCore.so.4
#7  0x00007fc3f8b6817e in KDBusConnectionPool::threadConnection() () at
/lib64/libkdecore.so.5
#8  0x00007fc3fa1cfa82 in emitSignal(QString const&, QList<QVariant> const&) ()
at /lib64/libkio.so.5
#9  0x00007fc3fa1d0415 in OrgKdeKDirNotifyInterface::emitLeftDirectory(QString
const&) () at /lib64/libkio.so.5
#10 0x00007fc3fa1b69fd in KDirListerCache::~KDirListerCache() () at
/lib64/libkio.so.5
#11 0x00007fc3fa1b6b09 in KDirListerCache::~KDirListerCache() () at
/lib64/libkio.so.5
#12 0x00007fc3f671a1e8 in __run_exit_handlers () at /lib64/libc.so.6
#13 0x00007fc3f671a235 in  () at /lib64/libc.so.6
#14 0x00007fc3f75acd28 in  () at /lib64/libQtGui.so.4
#15 0x00007fc3f993d5e0 in KApplication::xioErrhandler(_XDisplay*) () at
/lib64/libkdeui.so.5
#16 0x00007fc3fc2a9634 in _XIOError () at /lib64/libX11.so.6
#17 0x00007fc3fc2a6e8d in _XEventsQueued () at /lib64/libX11.so.6
#18 0x00007fc3fc2986e9 in XEventsQueued () at /lib64/libX11.so.6
#19 0x00007fc3f75e5fdc in x11EventSourceCheck(_GSource*) () at
/lib64/libQtGui.so.4
#20 0x00007fc3f2b27421 in g_main_context_check () at /lib64/libglib-2.0.so.0
#21 0x00007fc3f2b279a4 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#22 0x00007fc3f2b27b1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#23 0x00007fc3f86da45e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQtCore.so.4
#24 0x00007fc3f75e65b6 in
QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQtGui.so.4
#25 0x00007fc3f86a87bf in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#26 0x00007fc3f86a8b25 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#27 0x00007fc3f7a1a09c in QDialog::exec() () at /lib64/libQtGui.so.4
#28 0x00005639dc8d3c1f in K3b::JobProgressDialog::startJob(K3b::Job*) ()
#29 0x00005639dc808693 in K3b::ImageWritingDialog::slotStartClicked() ()
#30 0x00005639dc8df65e in K3b::InteractionDialog::slotStartClickedInternal() ()
#31 0x00005639dc8e00d5 in K3b::InteractionDialog::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) [clone .part.12] ()
#32 0x00007fc3f86be090 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () at /lib64/libQtCore.so.4
#33 0x00007fc3f7bdb632 in QAbstractButton::clicked(bool) () at
/lib64/libQtGui.so.4
#34 0x00007fc3f7912103 in QAbstractButtonPrivate::emitClicked() () at
/lib64/libQtGui.so.4
#35 0x00007fc3f7913514 in QAbstractButtonPrivate::click() () at
/lib64/libQtGui.so.4
#36 0x00007fc3f7913624 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
at /lib64/libQtGui.so.4
#37 0x00007fc3f7594720 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#38 0x00007fc3f753dedc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQtGui.so.4
#39 0x00007fc3f7546557 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQtGui.so.4
#40 0x00007fc3f993ecca in KApplication::notify(QObject*, QEvent*) () at
/lib64/libkdeui.so.5
#41 0x00007fc3f86a9eed in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /lib64/libQtCore.so.4
#42 0x00007fc3f754457b in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/lib64/libQtGui.so.4
#43 0x00007fc3f75beff9 in QETWidget::translateMouseEvent(_XEvent const*) () at
/lib64/libQtGui.so.4
#44 0x00007fc3f75bd9ac in QApplication::x11ProcessEvent(_XEvent*) () at
/lib64/libQtGui.so.4
#45 0x00007fc3f75e6419 in x11EventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQtGui.so.4
#46 0x00007fc3f2b276ba in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#47 0x00007fc3f2b27a70 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#48 0x00007fc3f2b27b1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#49 0x00007fc3f86da45e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQtCore.so.4
#50 0x00007fc3f75e65b6 in
QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQtGui.so.4
#51 0x00007fc3f86a87bf in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#52 0x00007fc3f86a8b25 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#53 0x00007fc3f7a1a09c in QDialog::exec() () at /lib64/libQtGui.so.4
#54 0x00005639dc8dfc74 in K3b::InteractionDialog::exec() ()
#55 0x00005639dc8c892e in K3b::MainWindow::slotWriteImage() ()
#56 0x00005639dc8c9925 in K3b::MainWindow::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) [clone .part.44] ()
#57 0x00007fc3f86be090 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () at /lib64/libQtCore.so.4
#58 0x00007fc3f7538072 in QAction::triggered(bool) () at /lib64/libQtGui.so.4
#59 0x00007fc3f75393d3 in QAction::activate(QAction::ActionEvent) () at
/lib64/libQtGui.so.4
#60 0x00007fc3f7993f6d in
QMenuPrivate::activateCausedStack(QList<QPointer<QWidget> > const&, QAction*,
QAction::ActionEvent, bool) () at /lib64/libQtGui.so.4
#61 0x00007fc3f79983d9 in QMenuPrivate::activateAction(QAction*,
QAction::ActionEvent, bool) () at /lib64/libQtGui.so.4
#62 0x00007fc3f9a08a83 in KMenu::mouseReleaseEvent(QMouseEvent*) () at
/lib64/libkdeui.so.5
#63 0x00007fc3f7594720 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#64 0x00007fc3f799c62b in QMenu::event(QEvent*) () at /lib64/libQtGui.so.4
#65 0x00007fc3f753dedc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQtGui.so.4
#66 0x00007fc3f7546557 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQtGui.so.4
#67 0x00007fc3f993ecca in KApplication::notify(QObject*, QEvent*) () at
/lib64/libkdeui.so.5
#68 0x00007fc3f86a9eed in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /lib64/libQtCore.so.4
#69 0x00007fc3f754457b in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at
/lib64/libQtGui.so.4
#70 0x00007fc3f75bf27d in QETWidget::translateMouseEvent(_XEvent const*) () at
/lib64/libQtGui.so.4
#71 0x00007fc3f75bd9ac in QApplication::x11ProcessEvent(_XEvent*) () at
/lib64/libQtGui.so.4
#72 0x00007fc3f75e6419 in x11EventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQtGui.so.4
#73 0x00007fc3f2b276ba in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#74 0x00007fc3f2b27a70 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#75 0x00007fc3f2b27b1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#76 0x00007fc3f86da45e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQtCore.so.4
#77 0x00007fc3f75e65b6 in
QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /lib64/libQtGui.so.4
#78 0x00007fc3f86a87bf in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#79 0x00007fc3f86a8b25 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQtCore.so.4
#80 0x00007fc3f86ae779 in QCoreApplication::exec() () at /lib64/libQtCore.so.4
#81 0x00005639dc7f0c58 in main ()

Possible duplicates by query: bug 324786.

Reported using DrKonqi

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