Application: k3b (2.0.3)
KDE Platform Version: 4.14.16
Qt Version: 4.8.7
Operating System: Linux 4.13.0-41-generic x86_64
Distribution: Linux Mint 18.3 Sylvia

-- Information about the crash:
- What I was doing when the application crashed: I had ripped a few tracks from some other audio CDs, then I tried to write them to a black CDROM.  K3B stalled, saying it is "decoding audio track" - forever. This is a consistent new problem: I am no longer able to use K3B.

The crash can be reproduced sometimes.

-- 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 0x7fdb98d88940 (LWP 3081))]

Thread 6 (Thread 0x7fdb61fdc700 (LWP 3148)):
#0  0x00007fdb8d2eb360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdb935f73a6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fdb9890cbe7 in  () at /usr/lib/libk3blib.so.6
#3  0x00007fdb9899e10f in K3b::AudioCdTrackSource::initParanoia() () at /usr/lib/libk3blib.so.6
#4  0x00007fdb9899e4cb in K3b::AudioCdTrackSource::read(char*, unsigned int) () at /usr/lib/libk3blib.so.6
#5  0x00007fdb98985e8e in K3b::AudioTrack::read(char*, unsigned int) () at /usr/lib/libk3blib.so.6
#6  0x00007fdb9899b266 in  () at /usr/lib/libk3blib.so.6
#7  0x00007fdb988f1db5 in K3b::Thread::run() () at /usr/lib/libk3blib.so.6
#8  0x00007fdb935f6e3c in  () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fdb8d2e56ba in start_thread (arg=0x7fdb61fdc700) at pthread_create.c:333
#10 0x00007fdb91fc041d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fdb630e6700 (LWP 3147)):
#0  0x00007fdb91fb027d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fdb8e0156f0 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7fdb630e5bb0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2  0x00007fdb8e0156f0 in g_wakeup_acknowledge (wakeup=0x1af8b30) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gwakeup.c:210
#3  0x00007fdb8dfd1e74 in g_main_context_check (context=context@entry=0x1b5b620, max_priority=2147483647, fds=fds@entry=0x7fdb540010c0, n_fds=n_fds@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3632
#4  0x00007fdb8dfd2330 in g_main_context_iterate (context=0x1b5b620, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3837
#5  0x00007fdb8dfd2712 in g_main_loop_run (loop=0x1b5b5b0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:4034
#6  0x00007fdb7fb7d9d6 in gdbus_shared_thread_func (user_data=0x1b5b5f0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./gio/gdbusprivate.c:246
#7  0x00007fdb8dff8bb5 in g_thread_proxy (data=0xf398f0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gthread.c:780
#8  0x00007fdb8d2e56ba in start_thread (arg=0x7fdb630e6700) at pthread_create.c:333
#9  0x00007fdb91fc041d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fdb638e7700 (LWP 3146)):
#0  0x00007fdb8e016a94 in g_mutex_unlock (mutex=0x1b2abf0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gthread-posix.c:1347
#1  0x00007fdb8dfd1bf9 in g_main_context_query (context=context@entry=0x1b2abf0, max_priority=2147483647, timeout=timeout@entry=0x7fdb638e6c94, fds=fds@entry=0x7fdb5c0008c0, n_fds=n_fds@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3589
#2  0x00007fdb8dfd2307 in g_main_context_iterate (context=context@entry=0x1b2abf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3822
#3  0x00007fdb8dfd249c in g_main_context_iteration (context=0x1b2abf0, may_block=may_block@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#4  0x00007fdb8dfd24d9 in glib_worker_main (data=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:5672
#5  0x00007fdb8dff8bb5 in g_thread_proxy (data=0xf398a0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gthread.c:780
#6  0x00007fdb8d2e56ba in start_thread (arg=0x7fdb638e7700) at pthread_create.c:333
#7  0x00007fdb91fc041d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fdb6dbfd700 (LWP 3115)):
#0  0x00007fdb8d2eb709 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007fdb935f57ea in  () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fdb935f60e3 in QThread::sleep(unsigned long) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007fdb9891e0dd in K3b::MediaCache::PollThread::run() () at /usr/lib/libk3blib.so.6
#4  0x00007fdb935f6e3c in  () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fdb8d2e56ba in start_thread (arg=0x7fdb6dbfd700) at pthread_create.c:333
#6  0x00007fdb91fc041d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fdb753bf700 (LWP 3084)):
#0  0x00007fdb91fce0ef in __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007fdb91fb4742 in poll () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007fdb8dfd238c in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fdb70003260, timeout=<optimized out>, context=0x7fdb700009a0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:4135
#3  0x00007fdb8dfd238c in g_main_context_iterate (context=context@entry=0x7fdb700009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3835
#4  0x00007fdb8dfd249c in g_main_context_iteration (context=0x7fdb700009a0, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#5  0x00007fdb937372ce in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fdb9370518f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fdb937054f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fdb935f4549 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fdb936e5223 in  () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007fdb935f6e3c in  () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007fdb8d2e56ba in start_thread (arg=0x7fdb753bf700) at pthread_create.c:333
#12 0x00007fdb91fc041d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fdb98d88940 (LWP 3081)):
[KCrash Handler]
#6  0x00007fdb92006cde in __memmove_avx_unaligned () at ../sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S:265
#7  0x00007fdb93616f84 in QListData::remove(int) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fdb988f1478 in K3b::Job::unregisterSubJob(K3b::Job*) () at /usr/lib/libk3blib.so.6
#9  0x00007fdb988f15b8 in K3b::Job::jobFinished(bool) () at /usr/lib/libk3blib.so.6
#10 0x00007fdb988f16b1 in K3b::Job::~Job() () at /usr/lib/libk3blib.so.6
#11 0x00007fdb9899af7a in  () at /usr/lib/libk3blib.so.6
#12 0x00007fdb9371f2b1 in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007fdb93721954 in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#14 0x00007fdb988f165e in K3b::Job::~Job() () at /usr/lib/libk3blib.so.6
#15 0x00007fdb98980a8a in  () at /usr/lib/libk3blib.so.6
#16 0x00000000004c25cd in  ()
#17 0x000000000053d745 in  ()
#18 0x000000000053e230 in  ()
#19 0x00007fdb9371b010 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#20 0x00007fdb92e6ed12 in QAbstractButton::clicked(bool) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#21 0x00007fdb92ba42b3 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#22 0x00007fdb92ba5664 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#23 0x00007fdb92ba5774 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#24 0x00007fdb928208d0 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#25 0x00007fdb927c9fdc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#26 0x00007fdb927d10d6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#27 0x00007fdb943ce64a in KApplication::notify(QObject*, QEvent*) () at /usr/lib/libkdeui.so.5
#28 0x00007fdb9370690d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#29 0x00007fdb927d06dd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#30 0x00007fdb9284e3f2 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#31 0x00007fdb9284dc83 in QApplication::x11ProcessEvent(_XEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#32 0x00007fdb92877542 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#33 0x00007fdb8dfd2197 in g_main_context_dispatch (context=0xd61df0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3154
#34 0x00007fdb8dfd2197 in g_main_context_dispatch (context=context@entry=0xd61df0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3769
#35 0x00007fdb8dfd23f0 in g_main_context_iterate (context=context@entry=0xd61df0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3840
#36 0x00007fdb8dfd249c in g_main_context_iteration (context=0xd61df0, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#37 0x00007fdb937372ae in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#38 0x00007fdb92877616 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#39 0x00007fdb9370518f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#40 0x00007fdb937054f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#41 0x00007fdb92caca3c in QDialog::exec() () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#42 0x000000000053dd77 in  ()
#43 0x00000000004bea3c in  ()
#44 0x00007fdb9371b010 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#45 0x00007fdb927c3d62 in QAction::triggered(bool) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#46 0x00007fdb927c50b3 in QAction::activate(QAction::ActionEvent) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#47 0x00007fdb92ba5623 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#48 0x00007fdb92ba5774 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#49 0x00007fdb92c6b73a in QToolButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#50 0x00007fdb928208d0 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#51 0x00007fdb927c9fdc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#52 0x00007fdb927d10d6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#53 0x00007fdb943ce64a in KApplication::notify(QObject*, QEvent*) () at /usr/lib/libkdeui.so.5
#54 0x00007fdb9370690d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#55 0x00007fdb927d06dd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#56 0x00007fdb9284e3f2 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#57 0x00007fdb9284dc83 in QApplication::x11ProcessEvent(_XEvent*) () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#58 0x00007fdb92877542 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#59 0x00007fdb8dfd2197 in g_main_context_dispatch (context=0xd61df0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3154
#60 0x00007fdb8dfd2197 in g_main_context_dispatch (context=context@entry=0xd61df0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3769
#61 0x00007fdb8dfd23f0 in g_main_context_iterate (context=context@entry=0xd61df0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3840
#62 0x00007fdb8dfd249c in g_main_context_iteration (context=0xd61df0, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#63 0x00007fdb937372ae in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#64 0x00007fdb92877616 in  () at /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#65 0x00007fdb9370518f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#66 0x00007fdb937054f5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#67 0x00007fdb9370b4b9 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#68 0x00000000004451cd in  ()
#69 0x00007fdb91ed9830 in __libc_start_main (main=0x443630, argc=1, argv=0x7fffa85c3478, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa85c3468) at ../csu/libc-start.c:291
#70 0x0000000000445c79 in _start ()

Reported using DrKonqi