Bug 311998

Application: k3b (2.0.2)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-35-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

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

Adding a folder to an audio cd project by dragging it from the browse files pane to the create audio cd project

The crash can be reproduced every time.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa4349787c0 (LWP 2533))]

Thread 4 (Thread 0x7fa41a15f700 (LWP 2534)):
#0  0x00007fa42a37e7a3 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa42a37ef5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa42a37f164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa42fa63426 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fa42fa32c82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fa42fa32ed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fa42f931fa7 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fa42fa129ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fa42f934fcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fa42a121e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007fa42e3a2cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fa410851700 (LWP 2551)):
#0  0x00007fa42a1260fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fa42f933c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fa42f9343f6 in QThread::sleep(unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007fa43424605a in K3b::MediaCache::PollThread::run (this=0x1eeb7c0) at /build/buildd/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007fa42f934fcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fa42a121e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fa42e3a2cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa40a71d700 (LWP 2572)):
#0  0x00007fa42e397303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fa42a37f036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa42a37f164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa42fa63426 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fa42fa32c82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fa42fa32ed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fa42f931fa7 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fa42fa129ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fa42f934fcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fa42a121e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007fa42e3a2cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa4349787c0 (LWP 2533)):
[KCrash Handler]
#6  0x00000000b6cc1313 in ?? ()
#7  0x00007fa418449354 in av_free_packet () from /usr/lib/x86_64-linux-gnu/libavcodec.so.53
#8  0x00007fa4191a9cfe in K3bFFMpegFile::close (this=0x25e34f0) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:166
#9  0x00007fa4191a9d63 in K3bFFMpegFile::open (this=0x25e34f0) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:92
#10 0x00007fa4191aa989 in K3bFFMpegWrapper::open (this=<optimized out>, filename=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:440
#11 0x00007fa4191a93f2 in K3bFFMpegDecoderFactory::canDecode (this=<optimized out>, url=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegdecoder.cpp:60
#12 0x00007fa4342570b0 in K3b::AudioDecoderFactory::createDecoder (url=...) at /build/buildd/k3b-2.0.2/libk3b/plugin/k3baudiodecoder.cpp:584
#13 0x00007fa4342a3880 in K3b::AudioDoc::getDecoderForUrl (this=0x26c5e70, url=..., reused=0x7fff4d26340f) at /build/buildd/k3b-2.0.2/libk3b/projects/audiocd/k3baudiodoc.cpp:454
#14 0x00000000004c50a7 in K3b::AudioTrackAddingDialog::slotAddUrls (this=0x2577e20) at /build/buildd/k3b-2.0.2/src/projects/k3baudiotrackaddingdialog.cpp:173
#15 0x00007fa42fa4d446 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007fa42eb89b7b in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#17 0x00007fa42eb39894 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#18 0x00007fa42eb3e713 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#19 0x00007fa4304993f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#20 0x00007fa42fa33e9c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#21 0x00007fa42fa37c6a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#22 0x00007fa42fa62f93 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00007fa42a37ed53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fa42a37f0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fa42a37f164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fa42fa633bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#27 0x00007fa42ebe1d5e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#28 0x00007fa42fa32c82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#29 0x00007fa42fa32ed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#30 0x00007fa42f009936 in QDialog::exec() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#31 0x00007fa42f00a0ca in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#32 0x00007fa42fa4d446 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#33 0x00007fa42eb89b7b in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#34 0x00007fa42eb39894 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#35 0x00007fa42eb3e713 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#36 0x00007fa4304993f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#37 0x00007fa42fa33e9c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#38 0x00007fa42fa37c6a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#39 0x00007fa42fa62f93 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#40 0x00007fa42a37ed53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fa42a37f0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007fa42a37f164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007fa42fa633bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#44 0x00007fa42ebe1d5e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#45 0x00007fa42fa32c82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#46 0x00007fa42fa32ed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#47 0x00007fa42fa37f67 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#48 0x00000000004434d6 in main (argc=1, argv=0x7fff4d265818) at /build/buildd/k3b-2.0.2/src/main.cpp:165

This bug may be a duplicate of or related to bug 304083.

Possible duplicates by query: bug 311849, bug 311161, bug 310744, bug 310419, bug 310042.

Reported using DrKonqi