Bug 287622

Application: k3b (2.0.2)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
Trying to start a new data project on Ubuntu 11.10 (using Gnome Shell 3)

The crash can be reproduced every time.

-- Backtrace:
Application: K3b (k3b), signal: Aborted
[Current thread is 1 (Thread 0x7f456c0a77a0 (LWP 4062))]

Thread 4 (Thread 0x7f4550d2a700 (LWP 4064)):
#0  0x00007f4561bb51fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x1d025f8) at pthread_mutex_unlock.c:290
#2  0x00007f4561e0bd79 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4561e0c792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4557d14516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f4561e312b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f4561bb1efc in start_thread (arg=0x7f4550d2a700) at pthread_create.c:304
#7  0x00007f4565d7c89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f4549ba2700 (LWP 4065)):
#0  0x00007f4561e0c00a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4561e0c429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4567430f3e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f4567404cf2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f4567404ef7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f456731c27f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f45673e7cbf in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f456731ed05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f4561bb1efc in start_thread (arg=0x7f4549ba2700) at pthread_create.c:304
#9  0x00007f4565d7c89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f45431cf700 (LWP 4089)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x00007f456731dfe8 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f456731e386 in QThread::sleep(unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f456b99080a in K3b::MediaCache::PollThread::run (this=0x2037120) at /build/buildd/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007f456731ed05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f4561bb1efc in start_thread (arg=0x7f45431cf700) at pthread_create.c:304
#6  0x00007f4565d7c89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f456c0a77a0 (LWP 4062)):
[KCrash Handler]
#6  0x00007f4565cd13a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f4565cd4b0b in __GI_abort () at abort.c:92
#8  0x00007f456731543b in qt_message_output(QtMsgType, char const*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f45673157ef in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007f4567315994 in qFatal(char const*, ...) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007f454aecae5c in QSpiAdaptor::GetChildren() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#12 0x00007f454aecb5bf in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#13 0x00007f454aec04d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#14 0x00007f454aebfbd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#15 0x00007f454aec1086 in QSpiAccessibleBridge::notifyAccessibilityUpdate(int, QAccessibleInterface*, int) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#16 0x00007f4566a43299 in QAccessible::updateAccessibility(QObject*, int, QAccessible::Event) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#17 0x00007f45665917f5 in QWidgetPrivate::show_helper() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#18 0x00007f4566591aa2 in QWidget::setVisible(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#19 0x00007f4566591616 in QWidgetPrivate::showChildren(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#20 0x00007f456659169d in QWidgetPrivate::show_helper() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#21 0x00007f4566591aa2 in QWidget::setVisible(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#22 0x00007f4566591616 in QWidgetPrivate::showChildren(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#23 0x00007f456659169d in QWidgetPrivate::show_helper() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#24 0x00007f4566591aa2 in QWidget::setVisible(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#25 0x00007f4566591616 in QWidgetPrivate::showChildren(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#26 0x00007f456659169d in QWidgetPrivate::show_helper() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#27 0x00007f4566591aa2 in QWidget::setVisible(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#28 0x00007f4566591616 in QWidgetPrivate::showChildren(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#29 0x00007f456659169d in QWidgetPrivate::show_helper() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#30 0x00007f45665915a7 in QWidgetPrivate::showChildren(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#31 0x00007f456659169d in QWidgetPrivate::show_helper() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#32 0x00007f4566591aa2 in QWidget::setVisible(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#33 0x00007f4566591616 in QWidgetPrivate::showChildren(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#34 0x00007f456659169d in QWidgetPrivate::show_helper() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#35 0x00007f4566591aa2 in QWidget::setVisible(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#36 0x00007f4566591616 in QWidgetPrivate::showChildren(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#37 0x00007f456659169d in QWidgetPrivate::show_helper() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#38 0x00007f4566591aa2 in QWidget::setVisible(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#39 0x00007f4566572939 in QStackedLayout::setCurrentIndex(int) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#40 0x00000000005149b6 in K3b::MainWindow::slotCurrentDocChanged (this=0x1cb9ec0) at /build/buildd/k3b-2.0.2/src/k3b.cpp:1313
#41 0x000000000051832d in K3b::MainWindow::qt_metacall (this=0x1cb9ec0, _c=QMetaObject::InvokeMetaMethod, _id=40, _a=0x7fff69750a40) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/src/k3b.moc:206
#42 0x00007f4567418eba in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#43 0x00007f456699ef1e in QTabWidget::currentChanged(int) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#44 0x00007f456699f028 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#45 0x00007f456699f2d0 in QTabWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#46 0x000000000050c090 in K3b::ProjectTabWidget::qt_metacall (this=0x1ff62f0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff69750bb0) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/src/k3bprojecttabwidget.moc:76
#47 0x00007f4567418eba in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#48 0x00007f4566994a7e in QTabBar::currentChanged(int) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#49 0x00007f456699b6ea in QTabBar::insertTab(int, QIcon const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#50 0x00007f456699e252 in QTabWidget::insertTab(int, QWidget*, QIcon const&, QString const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#51 0x00007f456699e2de in QTabWidget::insertTab(int, QWidget*, QString const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#52 0x000000000050be6a in K3b::ProjectTabWidget::addTab (this=0x1ff62f0, doc=0x267f3d0) at /build/buildd/k3b-2.0.2/src/k3bprojecttabwidget.cpp:96
#53 0x0000000000514b95 in K3b::MainWindow::createClient (this=0x1cb9ec0, doc=0x267f3d0) at /build/buildd/k3b-2.0.2/src/k3b.cpp:642
#54 0x0000000000518068 in K3b::MainWindow::qt_metacall (this=0x1cb9ec0, _c=QMetaObject::InvokeMetaMethod, _id=52, _a=0x7fff69751080) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/src/k3b.moc:218
#55 0x00007f4567418eba in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#56 0x0000000000532a5d in K3b::ProjectManager::newProject (this=<optimized out>, _t1=0x267f3d0) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/src/k3bprojectmanager.moc:111
#57 0x0000000000533683 in K3b::ProjectManager::addProject (this=0x1e094a0, doc=0x267f3d0) at /build/buildd/k3b-2.0.2/src/k3bprojectmanager.cpp:107
#58 0x000000000053465f in K3b::ProjectManager::createProject (this=0x1e094a0, type=<optimized out>) at /build/buildd/k3b-2.0.2/src/k3bprojectmanager.cpp:248
#59 0x00000000005146b5 in K3b::MainWindow::slotNewDataDoc (this=0x1cb9ec0) at /build/buildd/k3b-2.0.2/src/k3b.cpp:1218
#60 0x00000000005180a5 in K3b::MainWindow::qt_metacall (this=0x1cb9ec0, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fff697512d0) at /build/buildd/k3b-2.0.2/obj-x86_64-linux-gnu/src/k3b.moc:163
#61 0x00007f4567418eba in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#62 0x00007f4566536b62 in QAction::triggered(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#63 0x00007f4566536d4f in QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#64 0x00007f4566971609 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#65 0x00007f4566977252 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#66 0x00007f4567efccb0 in KMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libkdeui.so.5
#67 0x00007f456658dc9a in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#68 0x00007f45669787fb in QMenu::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#69 0x00007f456653d424 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#70 0x00007f4566542c6b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#71 0x00007f4567e3b126 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#72 0x00007f4567405afc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#73 0x00007f456653e3f2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#74 0x00007f45665be001 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#75 0x00007f45665bc8be in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#76 0x00007f45665e5412 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#77 0x00007f4561e0ba5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#78 0x00007f4561e0c258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#79 0x00007f4561e0c429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007f4567430ed6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#81 0x00007f45665e507e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#82 0x00007f4567404cf2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#83 0x00007f4567404ef7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#84 0x00007f4567409789 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#85 0x0000000000443366 in main (argc=1, argv=0x7fff69753588) at /build/buildd/k3b-2.0.2/src/main.cpp:165

Reported using DrKonqi