Bug 325961

Application: k3b (2.0.2)
KDE Platform Version: 4.8.5 (4.8.5) "release 2"
Qt Version: 4.8.1
Operating System: Linux 3.4.47-2.38-desktop x86_64
Distribution: "openSUSE 12.2 (x86_64)"

-- Information about the crash:
while trying to start the ripping menu for a DVD K3B crashes

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 0x7fc3af1cf840 (LWP 26366))]

Thread 4 (Thread 0x7fc395b08700 (LWP 26367)):
#0  0x00007fc3a8e8ad9f in __pthread_mutex_unlock_usercnt () from /lib64/libpthread.so.0
#1  0x00007fc3a48b34a1 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fc3a4877196 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fc3a4877622 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fc3a48777a4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fc3aa5a8956 in QEventDispatcherGlib::processEvents (this=0x7fc3900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fc3aa57973f in QEventLoop::processEvents (this=this@entry=0x7fc395b07d30, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fc3aa5799c8 in QEventLoop::exec (this=0x7fc395b07d30, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fc3aa47de40 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007fc3aa55a11f in QInotifyFileSystemWatcherEngine::run (this=0x2157730) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fc3aa480ddb in QThreadPrivate::start (arg=0x2157730) at thread/qthread_unix.cpp:298
#11 0x00007fc3a8e87e0e in start_thread () from /lib64/libpthread.so.0
#12 0x00007fc3a91802cd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fc38943e700 (LWP 26427)):
#0  0x00007fc3a8e8bc61 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fc3aa47fa26 in thread_sleep (ti=ti@entry=0x7fc38943dd40) at thread/qthread_unix.cpp:435
#2  0x00007fc3aa4801c6 in QThread::sleep (secs=<optimized out>) at thread/qthread_unix.cpp:449
#3  0x00007fc3aeab928d in K3b::MediaCache::PollThread::run (this=0x226d230) at /usr/src/debug/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007fc3aa480ddb in QThreadPrivate::start (arg=0x226d230) at thread/qthread_unix.cpp:298
#5  0x00007fc3a8e87e0e in start_thread () from /lib64/libpthread.so.0
#6  0x00007fc3a91802cd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fc388c3d700 (LWP 26428)):
#0  0x00007fc3a8e8bc61 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fc3aa47fa26 in thread_sleep (ti=ti@entry=0x7fc388c3cd40) at thread/qthread_unix.cpp:435
#2  0x00007fc3aa4801c6 in QThread::sleep (secs=<optimized out>) at thread/qthread_unix.cpp:449
#3  0x00007fc3aeab928d in K3b::MediaCache::PollThread::run (this=0x211a050) at /usr/src/debug/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007fc3aa480ddb in QThreadPrivate::start (arg=0x211a050) at thread/qthread_unix.cpp:298
#5  0x00007fc3a8e87e0e in start_thread () from /lib64/libpthread.so.0
#6  0x00007fc3a91802cd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fc3af1cf840 (LWP 26366)):
[KCrash Handler]
#5  0x00007fc3aeb70caa in K3b::VideoDVD::VideoDVD::open (this=0x24a0cd8, dev=0x2176750) at /usr/src/debug/k3b-2.0.2/libk3b/videodvd/k3bvideodvd.cpp:227
#6  0x0000000000536457 in K3b::VideoDVDRippingView::reloadMedium (this=0x249dc50) at /usr/src/debug/k3b-2.0.2/src/rip/videodvd/k3bvideodvdrippingview.cpp:217
#7  0x00000000004fc5c0 in K3b::DirView::showMediumInfo (this=this@entry=0x24094d0, medium=...) at /usr/src/debug/k3b-2.0.2/src/k3bdirview.cpp:193
#8  0x00000000004fc7c6 in K3b::DirView::showDevice (this=0x24094d0, dev=0x2176750) at /usr/src/debug/k3b-2.0.2/src/k3bdirview.cpp:167
#9  0x0000000000504530 in K3b::MainWindow::videoDvdRip (this=0x22378e0, dev=0x2176750, dev@entry=0x0) at /usr/src/debug/k3b-2.0.2/src/k3b.cpp:1603
#10 0x0000000000504637 in K3b::MainWindow::slotVideoDvdRip (this=<optimized out>) at /usr/src/debug/k3b-2.0.2/src/k3b.cpp:1609
#11 0x0000000000505f6b in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at /usr/src/debug/k3b-2.0.2/build/src/k3b.moc:162
#12 K3b::MainWindow::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/k3b-2.0.2/build/src/k3b.moc:130
#13 0x00007fc3aa590f5f in QMetaObject::activate (sender=0x238af20, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff4e915040) at kernel/qobject.cpp:3556
#14 0x00007fc3a9920522 in QAction::triggered(bool) () from /usr/lib64/libQtGui.so.4
#15 0x00007fc3a9920710 in QAction::activate(QAction::ActionEvent) () from /usr/lib64/libQtGui.so.4
#16 0x00007fc3a9d593d3 in ?? () from /usr/lib64/libQtGui.so.4
#17 0x00007fc3a9d5f6e9 in ?? () from /usr/lib64/libQtGui.so.4
#18 0x00007fc3ab08efd0 in KMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/libkdeui.so.5
#19 0x00007fc3a9975e60 in QWidget::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#20 0x00007fc3a9d6099b in QMenu::event(QEvent*) () from /usr/lib64/libQtGui.so.4
#21 0x00007fc3a992674c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#22 0x00007fc3a992b4db in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#23 0x00007fc3aafd6006 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#24 0x00007fc3aa57a73e in QCoreApplication::notifyInternal (this=0x7fff4e916820, receiver=0x25513d0, event=0x7fff4e915be0) at kernel/qcoreapplication.cpp:876
#25 0x00007fc3a992758b in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib64/libQtGui.so.4
#26 0x00007fc3a99a1a9c in ?? () from /usr/lib64/libQtGui.so.4
#27 0x00007fc3a99a0961 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib64/libQtGui.so.4
#28 0x00007fc3a99c6c32 in ?? () from /usr/lib64/libQtGui.so.4
#29 0x00007fc3a48773b5 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#30 0x00007fc3a48776e8 in ?? () from /usr/lib64/libglib-2.0.so.0
#31 0x00007fc3a48777a4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#32 0x00007fc3aa5a8936 in QEventDispatcherGlib::processEvents (this=0x1fd5b00, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#33 0x00007fc3a99c68ae in ?? () from /usr/lib64/libQtGui.so.4
#34 0x00007fc3aa57973f in QEventLoop::processEvents (this=this@entry=0x7fff4e916720, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007fc3aa5799c8 in QEventLoop::exec (this=0x7fff4e916720, flags=...) at kernel/qeventloop.cpp:204
#36 0x00007fc3aa57e3a8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#37 0x00000000004491a1 in main (argc=<optimized out>, argv=0x7fff4e916968) at /usr/src/debug/k3b-2.0.2/src/main.cpp:151

Possible duplicates by query: bug 323335, bug 323174, bug 320672, bug 315177.

Reported using DrKonqi