Application: k3b (2.0.2)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-40-generic-pae i686
Distribution: Ubuntu 12.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed: k3b reported error while I pressed the "x" button to close, once have mastered properly a compilation (.mp3)

The crash can be reproduced some of the time.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb2204740 (LWP 4418))]

Thread 5 (Thread 0xafcf6b40 (LWP 4419)):
#0  0xb77a1424 in __kernel_vsyscall ()
#1  0xb3c53690 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb3118a3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb310b06e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb310b52b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xafd4f134 in ?? () from /usr/lib/i386-linux-gnu/gio/modules/libdconfsettings.so
#6  0xb312e673 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb30afd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb3c61dde in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xaf2ffb40 (LWP 4420)):
#0  0xb30b1dc8 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb3c6f904 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb314a3f0 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb310b020 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb310b52b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb08eb4aa in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0xb312e673 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb30afd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb3c61dde in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xad900b40 (LWP 4421)):
#0  0xb30d7e70 in pthread_mutex_unlock@plt () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb314a430 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb310a825 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb310af6f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb310b1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb4b228e7 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#6  0xb4aee50d in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#7  0xb4aee7a9 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#8  0xb49d794c in QThread::exec() () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#9  0xb4acbb5d in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#10 0xb49dade0 in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#11 0xb30afd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb3c61dde in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xaa935b40 (LWP 4618)):
#0  0xb77a1424 in __kernel_vsyscall ()
#1  0xb30b3d13 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb3c6f744 in pthread_cond_timedwait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb49d98dc in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#4  0xb49da114 in QThread::sleep(unsigned long) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#5  0xb7611b0e in K3b::MediaCache::PollThread::run (this=0x9f0cf78) at /build/buildd/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#6  0xb49dade0 in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#7  0xb30afd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0xb3c61dde in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb2204740 (LWP 4418)):
[KCrash Handler]
#7  0x1d1d1d1d in ?? ()
#8  0xab988c78 in av_free_packet () from /usr/lib/i386-linux-gnu/i686/cmov/libavcodec.so.53
#9  0xad03b37e in K3bFFMpegFile::close (this=0xa4da088) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:166
#10 0xad03b40c in K3bFFMpegFile::open (this=0xa4da088) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:92
#11 0xad03c236 in K3bFFMpegWrapper::open (this=0xac54e48, filename=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp:440
#12 0xad03a7f0 in K3bFFMpegDecoderFactory::canDecode (this=0x9df2fd8, url=...) at /build/buildd/k3b-2.0.2/plugins/decoder/ffmpeg/k3bffmpegdecoder.cpp:60
#13 0xb7624bcb in K3b::AudioDecoderFactory::createDecoder (url=...) at /build/buildd/k3b-2.0.2/libk3b/plugin/k3baudiodecoder.cpp:584
#14 0xb767c0ef in K3b::AudioDoc::getDecoderForUrl (this=0xa485520, url=..., reused=0xbf8ffcef) at /build/buildd/k3b-2.0.2/libk3b/projects/audiocd/k3baudiodoc.cpp:454
#15 0x08108718 in K3b::AudioTrackAddingDialog::slotAddUrls (this=0xad0b2f8) at /build/buildd/k3b-2.0.2/src/projects/k3baudiotrackaddingdialog.cpp:173
#16 0xb4b01c01 in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#17 0xb4b0ac7b in QObject::event(QEvent*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#18 0xb3fb4e62 in QWidget::event(QEvent*) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#19 0xb3f5aed4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#20 0xb3f603a2 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#21 0xb510ee01 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#22 0xb4aef97e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#23 0xb4af3ad8 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#24 0xb4af3e0c in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#25 0xb4b22494 in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#26 0xb310ad46 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0xb310b0e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0xb310b1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0xb4b22887 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#30 0xb4013aaa in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#31 0xb4aee50d in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#32 0xb4aee7a9 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#33 0xb44ad0d9 in QDialog::exec() () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#34 0xb44ad9e0 in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#35 0xb4b01c01 in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#36 0xb4b0ac7b in QObject::event(QEvent*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#37 0xb3fb4e62 in QWidget::event(QEvent*) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#38 0xb3f5aed4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#39 0xb3f603a2 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#40 0xb510ee01 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#41 0xb4aef97e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#42 0xb4af3ad8 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#43 0xb4af3e0c in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#44 0xb4b22494 in ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#45 0xb310ad46 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#46 0xb310b0e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#47 0xb310b1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#48 0xb4b22887 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#49 0xb4013aaa in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#50 0xb4aee50d in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#51 0xb4aee7a9 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#52 0xb4af3eba in QCoreApplication::exec() () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#53 0xb3f58a74 in QApplication::exec() () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#54 0x0807c75e in main (argc=1, argv=0x0) at /build/buildd/k3b-2.0.2/src/main.cpp:165

Possible duplicates by query: bug 317165, bug 316585, bug 316540, bug 315277, bug 313685.

Reported using DrKonqi