Bug 323174

Application: k3b (2.0.2)
KDE Platform Version: 4.10.5 "release 1"
Qt Version: 4.8.4
Operating System: Linux 3.7.10-1.16-desktop x86_64
Distribution: "openSUSE 12.3 (x86_64)"

-- Information about the crash:
Just opened k3b and proceeded to click on the title of the DVD currently in the drive.  Application promptly crashes every time.

The crash can be reproduced every time.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcc7ea85840 (LWP 18525))]

Thread 3 (Thread 0x7fcc65d08700 (LWP 18526)):
#0  0x00007fcc785e1e0f in __pthread_mutex_unlock_usercnt () from /lib64/libpthread.so.0
#1  0x00007fcc73fd6aa1 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fcc73f99392 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fcc73f999cb in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fcc73f99bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fcc79d0a2e6 in QEventDispatcherGlib::processEvents (this=0x7fcc600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fcc79cdaadf in QEventLoop::processEvents (this=this@entry=0x7fcc65d07d10, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fcc79cdad68 in QEventLoop::exec (this=0x7fcc65d07d10, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fcc79bdd0f0 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007fcc79cbb29f in QInotifyFileSystemWatcherEngine::run (this=0xf074f0) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007fcc79be00cc in QThreadPrivate::start (arg=0xf074f0) at thread/qthread_unix.cpp:338
#11 0x00007fcc785dee0f in start_thread () from /lib64/libpthread.so.0
#12 0x00007fcc788db7dd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fcc5919c700 (LWP 18585)):
#0  0x00007fcc785e2d11 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fcc79bdecd6 in thread_sleep (ti=ti@entry=0x7fcc5919bd00) at thread/qthread_unix.cpp:475
#2  0x00007fcc79bdf476 in QThread::sleep (secs=<optimized out>) at thread/qthread_unix.cpp:489
#3  0x00007fcc7e3688b5 in K3b::MediaCache::PollThread::run() () from /usr/lib64/libk3blib.so.6
#4  0x00007fcc79be00cc in QThreadPrivate::start (arg=0x1012010) at thread/qthread_unix.cpp:338
#5  0x00007fcc785dee0f in start_thread () from /lib64/libpthread.so.0
#6  0x00007fcc788db7dd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fcc7ea85840 (LWP 18525)):
[KCrash Handler]
#6  0x00007fcc7e422a77 in K3b::VideoDVD::VideoDVD::open(K3b::Device::Device*) () from /usr/lib64/libk3blib.so.6
#7  0x000000000053b055 in K3b::VideoDVDRippingView::reloadMedium() ()
#8  0x00000000005001c0 in K3b::DirView::showMediumInfo(K3b::Medium const&) ()
#9  0x00000000005003c2 in K3b::DirView::showDevice(K3b::Device::Device*) ()
#10 0x0000000000500c34 in K3b::DirView::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) ()
#11 0x00007fcc79cf129f in QMetaObject::activate (sender=0x12acdc0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff158e7440) at kernel/qobject.cpp:3548
#12 0x00000000004fd770 in K3b::FileTreeView::activated(K3b::Device::Device*) ()
#13 0x00000000004fd7cc in K3b::FileTreeView::slotClicked(QModelIndex const&) ()
#14 0x00007fcc79cf129f in QMetaObject::activate (sender=0x12acdc0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff158e75c0) at kernel/qobject.cpp:3548
#15 0x00007fcc7958c635 in QAbstractItemView::clicked (this=this@entry=0x12acdc0, _t1=...) at .moc/release-shared/moc_qabstractitemview.cpp:348
#16 0x00007fcc7958c9c2 in QAbstractItemView::mouseReleaseEvent (this=0x12acdc0, event=0x7fff158e82c0) at itemviews/qabstractitemview.cpp:1814
#17 0x00007fcc790d5149 in QWidget::event (this=0x12acdc0, event=0x7fff158e82c0) at kernel/qwidget.cpp:8375
#18 0x00007fcc7947ff26 in QFrame::event (this=0x12acdc0, e=0x7fff158e82c0) at widgets/qframe.cpp:557
#19 0x00007fcc7958b81b in QAbstractItemView::viewportEvent (this=0x12acdc0, event=0x7fff158e82c0) at itemviews/qabstractitemview.cpp:1644
#20 0x00007fcc795d00d1 in QTreeView::viewportEvent (this=0x12acdc0, event=0x7fff158e82c0) at itemviews/qtreeview.cpp:1257
#21 0x00007fcc79cdbef6 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x12abb30, event=0x7fff158e82c0) at kernel/qcoreapplication.cpp:1056
#22 0x00007fcc7908583c in QApplicationPrivate::notify_helper (this=this@entry=0xf07810, receiver=receiver@entry=0x12abb30, e=e@entry=0x7fff158e82c0) at kernel/qapplication.cpp:4558
#23 0x00007fcc7908a54b in QApplication::notify (this=<optimized out>, receiver=0x12abb30, e=0x7fff158e82c0) at kernel/qapplication.cpp:4105
#24 0x00007fcc7a7407f6 in KApplication::notify (this=0x7fff158e8f70, receiver=0x12abb30, event=0x7fff158e82c0) at /usr/src/debug/kdelibs-4.10.5/kdeui/kernel/kapplication.cpp:311
#25 0x00007fcc79cdbd8e in QCoreApplication::notifyInternal (this=0x7fff158e8f70, receiver=0x12abb30, event=0x7fff158e82c0) at kernel/qcoreapplication.cpp:946
#26 0x00007fcc790866ab in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#27 QApplicationPrivate::sendMouseEvent (receiver=0x12abb30, event=0x7fff158e82c0, alienWidget=0x12abb30, nativeWidget=0x12acdc0, buttonDown=0x7fcc79b5a268 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3173
#28 0x00007fcc79100e94 in QETWidget::translateMouseEvent (this=this@entry=0x12acdc0, event=event@entry=0x7fff158e8a30) at kernel/qapplication_x11.cpp:4527
#29 0x00007fcc790ffc21 in QApplication::x11ProcessEvent (this=0x7fff158e8f70, event=0x7fff158e8a30) at kernel/qapplication_x11.cpp:3650
#30 0x00007fcc79125fa2 in x11EventSourceDispatch (s=0xee9100, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#31 0x00007fcc73f997d5 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#32 0x00007fcc73f99b08 in ?? () from /usr/lib64/libglib-2.0.so.0
#33 0x00007fcc73f99bc4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#34 0x00007fcc79d0a2c6 in QEventDispatcherGlib::processEvents (this=0xe66a80, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#35 0x00007fcc79125c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007fcc79cdaadf in QEventLoop::processEvents (this=this@entry=0x7fff158e8e00, flags=...) at kernel/qeventloop.cpp:149
#37 0x00007fcc79cdad68 in QEventLoop::exec (this=0x7fff158e8e00, flags=...) at kernel/qeventloop.cpp:204
#38 0x00007fcc79cdfa08 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#39 0x0000000000448e7b in main ()

This bug may be a duplicate of or related to bug 320672.

Possible duplicates by query: bug 320672, bug 315177.

Reported using DrKonqi