Application: amarok (2.4.0)
KDE Platform Version: 4.6.5 (4.6.5)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
I open the program and try to change the file information for musicbrainz, but amarok is closed and an application error message appears, it always happens, I try to get information at musicbrainz.

The crash can be reproduced every time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f6e40bb5840 (LWP 7444))]

Thread 11 (Thread 0x7f6e1fe18700 (LWP 7447)):
#0  0x00007f6e3d5bcf03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6e34e9732f in ?? () from /usr/lib/libpulse.so.0
#2  0x00007f6e34e89116 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#3  0x00007f6e34e89749 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#4  0x00007f6e34e89800 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#5  0x00007f6e34e972df in ?? () from /usr/lib/libpulse.so.0
#6  0x00007f6e3064aa88 in ?? () from /usr/lib/libpulsecommon-0.9.22.so
#7  0x00007f6e39086d8c in start_thread (arg=0x7f6e1fe18700) at pthread_create.c:304
#8  0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f6e1dfc9700 (LWP 7456)):
#0  0x00007f6e3908ad9d in __pthread_mutex_unlock_usercnt (mutex=0x7f6e100008b8) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f6e100008b8) at pthread_mutex_unlock.c:290
#2  0x00007f6e37c8779a in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6e37c88122 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6e37c88639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6e3df1a446 in QEventDispatcherGlib::processEvents (this=0xe33fc0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f6e3deee882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f6e3deeeabc in QEventLoop::exec (this=0x7f6e1dfc8d10, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007f6e3de05924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#9  0x00007f6e3ded0c2f in QInotifyFileSystemWatcherEngine::run (this=0xe33760) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f6e3de08175 in QThreadPrivate::start (arg=0xe33760) at thread/qthread_unix.cpp:320
#11 0x00007f6e39086d8c in start_thread (arg=0x7f6e1dfc9700) at pthread_create.c:304
#12 0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f6e0cbee700 (LWP 7458)):
#0  0x00007f6e390893c4 in __pthread_mutex_lock (mutex=0x1294aa8) at pthread_mutex_lock.c:61
#1  0x00007f6e37c8787f in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6e37c88122 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6e37c889f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6e2f640c44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f6e37caf3e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6e39086d8c in start_thread (arg=0x7f6e0cbee700) at pthread_create.c:304
#7  0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f6e0bbdc700 (LWP 7461)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6e399822a2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f6e39c9b180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f6e399822d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f6e39ca9254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f6e39086d8c in start_thread (arg=0x7f6e0bbdc700) at pthread_create.c:304
#4  0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f6e0817f700 (LWP 7614)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6e3de0882b in wait (this=<value optimized out>, mutex=0x1020330, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1020330, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f6e3b0380b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x19556a0, th=0x1779bc0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f6e3b03a723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1751c40, th=0x1779bc0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f6e3b03a73c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1751c40, th=0x1779bc0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f6e3b03953f in ThreadWeaver::ThreadRunHelper::run (this=0x7f6e0817ed60, parent=0x19556a0, th=0x1779bc0) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f6e3b0395cb in ThreadWeaver::Thread::run (this=0x1779bc0) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f6e3de08175 in QThreadPrivate::start (arg=0x1779bc0) at thread/qthread_unix.cpp:320
#9  0x00007f6e39086d8c in start_thread (arg=0x7f6e0817f700) at pthread_create.c:304
#10 0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f6e0797e700 (LWP 7748)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6e3de0882b in wait (this=<value optimized out>, mutex=0x1020330, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1020330, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f6e3b0380b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x19556a0, th=0x1990050) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f6e3b03a723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1751c40, th=0x1990050) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f6e3b03a73c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1751c40, th=0x1990050) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f6e3b03953f in ThreadWeaver::ThreadRunHelper::run (this=0x7f6e0797dd60, parent=0x19556a0, th=0x1990050) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f6e3b0395cb in ThreadWeaver::Thread::run (this=0x1990050) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f6e3de08175 in QThreadPrivate::start (arg=0x1990050) at thread/qthread_unix.cpp:320
#9  0x00007f6e39086d8c in start_thread (arg=0x7f6e0797e700) at pthread_create.c:304
#10 0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f6e0d3ef700 (LWP 7884)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6e3de0882b in wait (this=<value optimized out>, mutex=0x1020330, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1020330, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f6e3b0380b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x19556a0, th=0x1961070) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f6e3b03a723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1751c40, th=0x1961070) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f6e3b03a73c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1751c40, th=0x1961070) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f6e3b03953f in ThreadWeaver::ThreadRunHelper::run (this=0x7f6e0d3eed60, parent=0x19556a0, th=0x1961070) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f6e3b0395cb in ThreadWeaver::Thread::run (this=0x1961070) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f6e3de08175 in QThreadPrivate::start (arg=0x1961070) at thread/qthread_unix.cpp:320
#9  0x00007f6e39086d8c in start_thread (arg=0x7f6e0d3ef700) at pthread_create.c:304
#10 0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f6e06790700 (LWP 8026)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6e3de0882b in wait (this=<value optimized out>, mutex=0x1020330, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1020330, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f6e3b0380b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x19556a0, th=0x131ab40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f6e3b03a723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1751c40, th=0x131ab40) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f6e3b03953f in ThreadWeaver::ThreadRunHelper::run (this=0x7f6e0678fd60, parent=0x19556a0, th=0x131ab40) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f6e3b0395cb in ThreadWeaver::Thread::run (this=0x131ab40) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f6e3de08175 in QThreadPrivate::start (arg=0x131ab40) at thread/qthread_unix.cpp:320
#8  0x00007f6e39086d8c in start_thread (arg=0x7f6e06790700) at pthread_create.c:304
#9  0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f6e0436d700 (LWP 10356)):
#0  0x00007f6e3d5bcf03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6e37c88104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6e37c88639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6e3df1a446 in QEventDispatcherGlib::processEvents (this=0x1943290, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6e3deee882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6e3deeeabc in QEventLoop::exec (this=0x7f6e0436cd10, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6e3de05924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f6e3ded0c2f in QInotifyFileSystemWatcherEngine::run (this=0x19746a0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6e3de08175 in QThreadPrivate::start (arg=0x19746a0) at thread/qthread_unix.cpp:320
#9  0x00007f6e39086d8c in start_thread (arg=0x7f6e0436d700) at pthread_create.c:304
#10 0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6e0310b700 (LWP 10357)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6e3441c832 in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f6e39086d8c in start_thread (arg=0x7f6e0310b700) at pthread_create.c:304
#3  0x00007f6e3d5ca04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6e40bb5840 (LWP 7444)):
[KCrash Handler]
#6  ref (this=0x7fff0138dae0, other=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:121
#7  QString::operator= (this=0x7fff0138dae0, other=...) at tools/qstring.cpp:1357
#8  0x00007f6e3fc6d606 in MusicBrainzFinder::parsingDone (this=0x1d1bed0, _parser=<value optimized out>) at ../../src/musicbrainz/MusicBrainzFinder.cpp:257
#9  0x00007f6e3fc6ea1f in MusicBrainzFinder::qt_metacall (this=0x1d1bed0, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0x7fff0138de30) at ./MusicBrainzFinder.moc:100
#10 0x00007f6e3df045f8 in QMetaObject::activate (sender=0x1f2d020, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff0138de30) at kernel/qobject.cpp:3287
#11 0x00007f6e3b039942 in ThreadWeaver::Job::done (this=<value optimized out>, _t1=0x1f2d020) at ./Job.moc:97
#12 0x00007f6e3b039a2c in ThreadWeaver::Job::qt_metacall (this=0x1f2d020, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x1f406d0) at ./Job.moc:77
#13 0x00007f6e3df0349a in QObject::event (this=0x1f2d020, e=<value optimized out>) at kernel/qobject.cpp:1226
#14 0x00007f6e3e8ae9f4 in QApplicationPrivate::notify_helper (this=0x8b9ab0, receiver=0x1f2d020, e=0x1f3b200) at kernel/qapplication.cpp:4462
#15 0x00007f6e3e8b33ba in QApplication::notify (this=<value optimized out>, receiver=0x1f2d020, e=0x1f3b200) at kernel/qapplication.cpp:4341
#16 0x00007f6e405c76c6 in KApplication::notify (this=0x7fff0138e800, receiver=0x1f2d020, event=0x1f3b200) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f6e3deef49c in QCoreApplication::notifyInternal (this=0x7fff0138e800, receiver=0x1f2d020, event=0x1f3b200) at kernel/qcoreapplication.cpp:731
#18 0x00007f6e3def2c25 in sendEvent (receiver=0x0, event_type=0, data=0x703bc0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x703bc0) at kernel/qcoreapplication.cpp:1372
#20 0x00007f6e3df1a253 in sendPostedEvents (s=0x8bd670) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#21 postEventSourceDispatch (s=0x8bd670) at kernel/qeventdispatcher_glib.cpp:277
#22 0x00007f6e37c87bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f6e37c883a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f6e37c88639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f6e3df1a3ef in QEventDispatcherGlib::processEvents (this=0x7037c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007f6e3e9584de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f6e3deee882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f6e3deeeabc in QEventLoop::exec (this=0x7fff0138e7b0, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007f6e3def2ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#30 0x0000000000409c51 in main (argc=<value optimized out>, argv=<value optimized out>) at ../../src/main.cpp:268

Possible duplicates by query: bug 281426, bug 280299, bug 279778, bug 279752, bug 278798.

Reported using DrKonqi