Application: amarok (2.4.0)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
I was trying to indentify multiple songs by the same artist.  Clicked on the MusicBrainz button, it got to 4% then crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f163bc72840 (LWP 5889))]

Thread 11 (Thread 0x7f1626e1a700 (LWP 5890)):
#0  0x00007f163867ff03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f1632d4c104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1632d4c9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f162a68cc44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f1632d733e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f163414ad8c in start_thread (arg=0x7f1626e1a700) at pthread_create.c:304
#6  0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f160ee20700 (LWP 5894)):
#0  0x00007f163867ff03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f162ff5b32f in ?? () from /usr/lib/libpulse.so.0
#2  0x00007f162ff4d116 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#3  0x00007f162ff4d749 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#4  0x00007f162ff4d800 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#5  0x00007f162ff5b2df in ?? () from /usr/lib/libpulse.so.0
#6  0x00007f162b70ea88 in ?? () from /usr/lib/libpulsecommon-0.9.22.so
#7  0x00007f163414ad8c in start_thread (arg=0x7f160ee20700) at pthread_create.c:304
#8  0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f160d6c9700 (LWP 5895)):
#0  0x00007fff079c47c4 in ?? ()
#1  0x00007fff079c4897 in clock_gettime ()
#2  0x00007f163157f146 in clock_gettime (clock_id=1, tp=0x7f160d6c8a70) at ../sysdeps/unix/clock_gettime.c:116
#3  0x00007f1638f1c304 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#5  0x00007f1638fdde3d in QTimerInfoList::updateCurrentTime (this=0x7f1620004fe0) at kernel/qeventdispatcher_unix.cpp:339
#6  0x00007f1638fde1a5 in QTimerInfoList::timerWait (this=0x7f1620004fe0, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#7  0x00007f1638fdcc2c in timerSourcePrepareHelper (src=<value optimized out>, timeout=0x7f160d6c8b8c) at kernel/qeventdispatcher_glib.cpp:136
#8  0x00007f1638fdccd5 in timerSourcePrepare (source=<value optimized out>, timeout=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#9  0x00007f1632d4b0a2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f1632d4bf9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f1632d4c639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f1638fdd446 in QEventDispatcherGlib::processEvents (this=0x1b91250, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#13 0x00007f1638fb1882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#14 0x00007f1638fb1abc in QEventLoop::exec (this=0x7f160d6c8d10, flags=...) at kernel/qeventloop.cpp:201
#15 0x00007f1638ec8924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#16 0x00007f1638f93c2f in QInotifyFileSystemWatcherEngine::run (this=0x1bd1120) at io/qfilesystemwatcher_inotify.cpp:248
#17 0x00007f1638ecb175 in QThreadPrivate::start (arg=0x1bd1120) at thread/qthread_unix.cpp:320
#18 0x00007f163414ad8c in start_thread (arg=0x7f160d6c9700) at pthread_create.c:304
#19 0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#20 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f16022f4700 (LWP 5897)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1638ecb82b in wait (this=<value optimized out>, mutex=0x213ac80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x213ac80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f16360fc0b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1fc1db0, th=0x205d2e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f16360fe723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fc21e0, th=0x205d2e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f16360fd53f in ThreadWeaver::ThreadRunHelper::run (this=0x7f16022f3d60, parent=0x1fc1db0, th=0x205d2e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f16360fd5cb in ThreadWeaver::Thread::run (this=0x205d2e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f1638ecb175 in QThreadPrivate::start (arg=0x205d2e0) at thread/qthread_unix.cpp:320
#8  0x00007f163414ad8c in start_thread (arg=0x7f16022f4700) at pthread_create.c:304
#9  0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f16018e8700 (LWP 5898)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1638ecb82b in wait (this=<value optimized out>, mutex=0x213ac80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x213ac80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f16360fc0b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1fc1db0, th=0x2058a70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f16360fe723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fc21e0, th=0x2058a70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f16360fd53f in ThreadWeaver::ThreadRunHelper::run (this=0x7f16018e7d60, parent=0x1fc1db0, th=0x2058a70) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f16360fd5cb in ThreadWeaver::Thread::run (this=0x2058a70) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f1638ecb175 in QThreadPrivate::start (arg=0x2058a70) at thread/qthread_unix.cpp:320
#8  0x00007f163414ad8c in start_thread (arg=0x7f16018e8700) at pthread_create.c:304
#9  0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f16010e7700 (LWP 5899)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1638ecb82b in wait (this=<value optimized out>, mutex=0x213ac80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x213ac80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f16360fc0b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1fc1db0, th=0x205bd60) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f16360fe723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fc21e0, th=0x205bd60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f16360fe73c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fc21e0, th=0x205bd60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f16360fe73c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fc21e0, th=0x205bd60) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f16360fd53f in ThreadWeaver::ThreadRunHelper::run (this=0x7f16010e6d60, parent=0x1fc1db0, th=0x205bd60) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f16360fd5cb in ThreadWeaver::Thread::run (this=0x205bd60) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f1638ecb175 in QThreadPrivate::start (arg=0x205bd60) at thread/qthread_unix.cpp:320
#10 0x00007f163414ad8c in start_thread (arg=0x7f16010e7700) at pthread_create.c:304
#11 0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f16008e6700 (LWP 5900)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1638ecb82b in wait (this=<value optimized out>, mutex=0x213ac80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x213ac80, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f16360fc0b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1fc1db0, th=0x205c010) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f16360fe723 in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fc21e0, th=0x205c010) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f16360fe73c in ThreadWeaver::WorkingHardState::applyForWork (this=0x1fc21e0, th=0x205c010) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f16360fd53f in ThreadWeaver::ThreadRunHelper::run (this=0x7f16008e5d60, parent=0x1fc1db0, th=0x205c010) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f16360fd5cb in ThreadWeaver::Thread::run (this=0x205c010) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f1638ecb175 in QThreadPrivate::start (arg=0x205c010) at thread/qthread_unix.cpp:320
#9  0x00007f163414ad8c in start_thread (arg=0x7f16008e6700) at pthread_create.c:304
#10 0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f15ffaac700 (LWP 5901)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f162f4e0832 in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f163414ad8c in start_thread (arg=0x7f15ffaac700) at pthread_create.c:304
#3  0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f15fd6a4700 (LWP 5904)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1634a462a2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f1634d5f180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f1634a462d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f1634d6d254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f163414ad8c in start_thread (arg=0x7f15fd6a4700) at pthread_create.c:304
#4  0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f15f2f43700 (LWP 5925)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x00007f1638ecb79e in wait (this=<value optimized out>, mutex=0x28a4e00, time=30000) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x28a4e00, time=30000) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f1638ec0218 in QThreadPoolThread::run (this=0x1eb0bf0) at concurrent/qthreadpool.cpp:140
#4  0x00007f1638ecb175 in QThreadPrivate::start (arg=0x1eb0bf0) at thread/qthread_unix.cpp:320
#5  0x00007f163414ad8c in start_thread (arg=0x7f15f2f43700) at pthread_create.c:304
#6  0x00007f163868d04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f163bc72840 (LWP 5889)):
[KCrash Handler]
#6  ref (this=0x7fff0798b480, other=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:121
#7  QString::operator= (this=0x7fff0798b480, other=...) at tools/qstring.cpp:1357
#8  0x00007f163ad2c606 in MusicBrainzFinder::parsingDone (this=0x2d14780, _parser=<value optimized out>) at ../../src/musicbrainz/MusicBrainzFinder.cpp:257
#9  0x00007f163ad2da1f in MusicBrainzFinder::qt_metacall (this=0x2d14780, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0x7fff0798b7d0) at ./MusicBrainzFinder.moc:100
#10 0x00007f1638fc75f8 in QMetaObject::activate (sender=0x1ff0360, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff0798b7d0) at kernel/qobject.cpp:3287
#11 0x00007f16360fd942 in ThreadWeaver::Job::done (this=<value optimized out>, _t1=0x1ff0360) at ./Job.moc:97
#12 0x00007f16360fda2c in ThreadWeaver::Job::qt_metacall (this=0x1ff0360, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7f1620157fa0) at ./Job.moc:77
#13 0x00007f1638fc649a in QObject::event (this=0x1ff0360, e=<value optimized out>) at kernel/qobject.cpp:1226
#14 0x00007f16399719e4 in QApplicationPrivate::notify_helper (this=0x156abf0, receiver=0x1ff0360, e=0x7f1620143ed0) at kernel/qapplication.cpp:4462
#15 0x00007f16399763aa in QApplication::notify (this=<value optimized out>, receiver=0x1ff0360, e=0x7f1620143ed0) at kernel/qapplication.cpp:4341
#16 0x00007f163b685866 in KApplication::notify (this=0x7fff0798c1a0, receiver=0x1ff0360, event=0x7f1620143ed0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f1638fb249c in QCoreApplication::notifyInternal (this=0x7fff0798c1a0, receiver=0x1ff0360, event=0x7f1620143ed0) at kernel/qcoreapplication.cpp:731
#18 0x00007f1638fb5c25 in sendEvent (receiver=0x0, event_type=0, data=0x13bf890) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x13bf890) at kernel/qcoreapplication.cpp:1372
#20 0x00007f1638fdd253 in sendPostedEvents (s=0x1569cf0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#21 postEventSourceDispatch (s=0x1569cf0) at kernel/qeventdispatcher_glib.cpp:277
#22 0x00007f1632d4bbcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f1632d4c3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f1632d4c639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f1638fdd3ef in QEventDispatcherGlib::processEvents (this=0x13bf490, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007f1639a18dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f1638fb1882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f1638fb1abc in QEventLoop::exec (this=0x7fff0798c150, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007f1638fb5ecb 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 274956.

Reported using DrKonqi