Application: k3b (2.0.2)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-49-generic x86_64
Distribution: Ubuntu 12.04.3 LTS

-- Information about the crash:
I started a new audio cd project. Added one wav file to the project. K3B crashed. This happened repeatedly

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 0x7f98b16547c0 (LWP 15932))]

Thread 5 (Thread 0x7f9895a6c700 (LWP 15933)):
#0  0x00007f98a703e410 in pthread_mutex_unlock@plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f98a70a85d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f98a706c98b in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f98a706cfaa in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f98a706d49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9895a7198b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#6  0x00007f98a708e9e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f98a6e0fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f98ab091ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f9894c2f700 (LWP 15934)):
#0  0x00007f98ab086313 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f98a706d036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f98a706d49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f989b5f6406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f98a708e9e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f98a6e0fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f98ab091ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f9882389700 (LWP 15936)):
#0  0x00007f98ab086313 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f98a706d036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f98a706d164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f98ac752426 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007f98ac721c82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f98ac721ed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f98ac620fa7 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f98ac7019ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f98ac623fcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f98a6e0fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f98ab091ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9878c79700 (LWP 15953)):
#0  0x00007f98a6e140fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f98ac622c98 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007f98ac6233f6 in QThread::sleep(unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007f98b0f3505a in K3b::MediaCache::PollThread::run (this=0x132cc50) at /build/buildd/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007f98ac623fcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f98a6e0fe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f98ab091ccd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f98b16547c0 (LWP 15932)):
[KCrash Handler]
#6  0x00007f98806a0402 in av_free_packet (pkt=0x29c58b0) at /build/buildd/libav-0.8.6/libavcodec/avpacket.c:154
#7  0x00007f9881401cfe in K3bFFMpegFile::close (this=0x2881f20) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:166
#8  0x00007f9881401d63 in K3bFFMpegFile::open (this=0x2881f20) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:92
#9  0x00007f9881402989 in K3bFFMpegWrapper::open (this=<optimized out>, filename=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:440
#10 0x00007f98814013f2 in K3bFFMpegDecoderFactory::canDecode (this=<optimized out>, url=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegdecoder.cpp:60
#11 0x00007f98b0f460b0 in K3b::AudioDecoderFactory::createDecoder (url=...) at /build/buildd/k3b-2.0.2/libk3b/plugin/k3baudiodecoder.cpp:584
#12 0x00007f98b0f92880 in K3b::AudioDoc::getDecoderForUrl (this=0x13aead0, url=..., reused=0x7fff01b0ddbf) at /build/buildd/k3b-2.0.2/libk3b/projects/audiocd/k3baudiodoc.cpp:454
#13 0x00000000004c50a7 in K3b::AudioTrackAddingDialog::slotAddUrls (this=0x2923280) at /build/buildd/k3b-2.0.2/src/projects/k3baudiotrackaddingdialog.cpp:173
#14 0x00007f98ac73c446 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007f98ab878b7b in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#16 0x00007f98ab828894 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#17 0x00007f98ab82d713 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#18 0x00007f98ad1883f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#19 0x00007f98ac722e9c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#20 0x00007f98ac726c6a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#21 0x00007f98ac751f93 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#22 0x00007f98a706cd53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f98a706d0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f98a706d164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f98ac7523bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#26 0x00007f98ab8d0d5e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#27 0x00007f98ac721c82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#28 0x00007f98ac721ed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#29 0x00007f98abcf8936 in QDialog::exec() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#30 0x00007f98abcf90ca in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#31 0x00007f98ac73c446 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#32 0x00007f98ab878b7b in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#33 0x00007f98ab828894 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#34 0x00007f98ab82d713 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#35 0x00007f98ad1883f6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#36 0x00007f98ac722e9c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#37 0x00007f98ac726c6a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#38 0x00007f98ac751f93 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#39 0x00007f98a706cd53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f98a706d0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f98a706d164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f98ac7523bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#43 0x00007f98ab8d0d5e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#44 0x00007f98ac721c82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#45 0x00007f98ac721ed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#46 0x00007f98ac726f67 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#47 0x00000000004434d6 in main (argc=1, argv=0x7fff01b101c8) at /build/buildd/k3b-2.0.2/src/main.cpp:165

This bug may be a duplicate of or related to bug 283287.

Possible duplicates by query: bug 325106, bug 324430, bug 324284, bug 323690, bug 323520.

Reported using DrKonqi