Bug 315177

Application: k3b (2.0.2)
KDE Platform Version: 4.9.5
Qt Version: 4.8.4
Operating System: Linux 3.7.6-201.fc18.x86_64 x86_64
Distribution: "Fedora release 18 (Spherical Cow)"

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

Inserted a DVD and chose rip from the tools menu. This occured both before and after running regionset.

The crash can be reproduced every time.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f8c13c55880 (LWP 10546))]

Thread 3 (Thread 0x7f8c08dec700 (LWP 10547)):
#0  0x0000003acd8e998d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003dd5247d24 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f8c04002c00, timeout=-1, context=0x7f8c040009a0) at gmain.c:3584
#2  g_main_context_iterate (context=context@entry=0x7f8c040009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3285
#3  0x0000003dd5247e44 in g_main_context_iteration (context=0x7f8c040009a0, may_block=1) at gmain.c:3351
#4  0x00000030489a60f6 in QEventDispatcherGlib::processEvents (this=0x7f8c040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00000030489767df in QEventLoop::processEvents (this=this@entry=0x7f8c08debcd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003048976a68 in QEventLoop::exec (this=0x7f8c08debcd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003048878950 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x000000304895700f in QInotifyFileSystemWatcherEngine::run (this=0x25a8b70) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x000000304887b92c in QThreadPrivate::start (arg=0x25a8b70) at thread/qthread_unix.cpp:338
#10 0x0000003ace407d15 in start_thread (arg=0x7f8c08dec700) at pthread_create.c:308
#11 0x0000003acd8f246d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 2 (Thread 0x7f8bfbfff700 (LWP 10591)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x000000304887a536 in thread_sleep (ti=ti@entry=0x7f8bfbffece0) at thread/qthread_unix.cpp:475
#2  0x000000304887acd6 in QThread::sleep (secs=<optimized out>) at thread/qthread_unix.cpp:489
#3  0x000000304f4a99bd in K3b::MediaCache::PollThread::run (this=0x25d1e70) at /usr/src/debug/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x000000304887b92c in QThreadPrivate::start (arg=0x25d1e70) at thread/qthread_unix.cpp:338
#5  0x0000003ace407d15 in start_thread (arg=0x7f8bfbfff700) at pthread_create.c:308
#6  0x0000003acd8f246d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f8c13c55880 (LWP 10546)):
[KCrash Handler]
#6  0x000000304f5614ca in K3b::VideoDVD::VideoDVD::open (this=0x28d5718, dev=0x2701f70) at /usr/src/debug/k3b-2.0.2/libk3b/videodvd/k3bvideodvd.cpp:227
#7  0x0000000000531877 in K3b::VideoDVDRippingView::reloadMedium (this=0x28d30b0) at /usr/src/debug/k3b-2.0.2/src/rip/videodvd/k3bvideodvdrippingview.cpp:217
#8  0x00000000004f7f00 in K3b::DirView::showMediumInfo (this=this@entry=0x284ddf0, medium=...) at /usr/src/debug/k3b-2.0.2/src/k3bdirview.cpp:193
#9  0x00000000004f8106 in K3b::DirView::showDevice (this=0x284ddf0, dev=0x2701f70) at /usr/src/debug/k3b-2.0.2/src/k3bdirview.cpp:167
#10 0x00000000004ffcb0 in K3b::MainWindow::videoDvdRip (this=0x25895b0, dev=0x2701f70, dev@entry=0x0) at /usr/src/debug/k3b-2.0.2/src/k3b.cpp:1603
#11 0x00000000004ffdb7 in K3b::MainWindow::slotVideoDvdRip (this=<optimized out>) at /usr/src/debug/k3b-2.0.2/src/k3b.cpp:1609
#12 0x00000000005016eb in qt_static_metacall (_c=QMetaObject::InvokeMetaMethod, _a=<optimized out>, _id=<optimized out>, _o=<optimized out>) at /usr/src/debug/k3b-2.0.2/x86_64-redhat-linux-gnu/src/k3b.moc:161
#13 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/x86_64-redhat-linux-gnu/src/k3b.moc:129
#14 0x000000304898cebf in QMetaObject::activate (sender=0x2745b40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffeb5e3660) at kernel/qobject.cpp:3539
#15 0x000000304a1c4412 in QAction::triggered (this=this@entry=0x2745b40, _t1=false) at .moc/release-shared/moc_qaction.cpp:276
#16 0x000000304a1c4600 in QAction::activate (this=0x2745b40, event=<optimized out>) at kernel/qaction.cpp:1257
#17 0x000000304a5fe0b3 in QMenuPrivate::activateCausedStack (this=this@entry=0x29736c0, causedStack=..., action=action@entry=0x2745b40, action_e=action_e@entry=QAction::Trigger, self=self@entry=true) at widgets/qmenu.cpp:1038
#18 0x000000304a604499 in QMenuPrivate::activateAction (this=0x29736c0, action=0x2745b40, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1130
#19 0x000000304b0fffa0 in KMenu::mouseReleaseEvent (this=0x2969450, e=0x7fffeb5e4200) at /usr/src/debug/kdelibs-4.9.5/kdeui/widgets/kmenu.cpp:464
#20 0x000000304a219f49 in QWidget::event (this=0x2969450, event=0x7fffeb5e4200) at kernel/qwidget.cpp:8375
#21 0x000000304a60574b in QMenu::event (this=0x2969450, e=0x7fffeb5e4200) at widgets/qmenu.cpp:2481
#22 0x000000304a1ca5cc in QApplicationPrivate::notify_helper (this=0x2472450, receiver=0x2969450, e=0x7fffeb5e4200) at kernel/qapplication.cpp:4562
#23 0x000000304a1cf2ab in QApplication::notify (this=<optimized out>, receiver=0x2969450, e=0x7fffeb5e4200) at kernel/qapplication.cpp:4105
#24 0x000000304b046916 in KApplication::notify (this=0x7fffeb5e4e40, receiver=0x2969450, event=0x7fffeb5e4200) at /usr/src/debug/kdelibs-4.9.5/kdeui/kernel/kapplication.cpp:311
#25 0x0000003048977a8e in QCoreApplication::notifyInternal (this=0x7fffeb5e4e40, receiver=0x2969450, event=0x7fffeb5e4200) at kernel/qcoreapplication.cpp:946
#26 0x000000304a1cb40b in QApplicationPrivate::sendMouseEvent (receiver=0x2969450, event=0x7fffeb5e4200, alienWidget=0x0, nativeWidget=0x2969450, buttonDown=0x304ac9e268 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:231
#27 0x000000304a245a3c in QETWidget::translateMouseEvent (this=0x2969450, event=<optimized out>) at kernel/qapplication_x11.cpp:4471
#28 0x000000304a244901 in QApplication::x11ProcessEvent (this=0x7fffeb5e4e40, event=0x7fffeb5e4970) at kernel/qapplication_x11.cpp:3660
#29 0x000000304a26aa5c in x11EventSourceDispatch (s=s@entry=0x2462260, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#30 0x0000003dd5247a55 in g_main_dispatch (context=0x2475b70) at gmain.c:2715
#31 g_main_context_dispatch (context=context@entry=0x2475b70) at gmain.c:3219
#32 0x0000003dd5247d88 in g_main_context_iterate (context=context@entry=0x2475b70, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3290
#33 0x0000003dd5247e44 in g_main_context_iteration (context=0x2475b70, may_block=1) at gmain.c:3351
#34 0x00000030489a60d6 in QEventDispatcherGlib::processEvents (this=0x23e3660, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#35 0x000000304a26a73e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#36 0x00000030489767df in QEventLoop::processEvents (this=this@entry=0x7fffeb5e4d40, flags=...) at kernel/qeventloop.cpp:149
#37 0x0000003048976a68 in QEventLoop::exec (this=0x7fffeb5e4d40, flags=...) at kernel/qeventloop.cpp:204
#38 0x000000304897b858 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#39 0x0000000000444a91 in main (argc=<optimized out>, argv=0x7fffeb5e4f88) at /usr/src/debug/k3b-2.0.2/src/main.cpp:151

This bug may be a duplicate of or related to bug 259755.

Possible duplicates by query: bug 303824, bug 302322.

Reported using DrKonqi