Bug 276108

Summary:	Amarok crashed for no reason while playing a normal track [@ CurrentEngine::update]
Product:	[Applications] amarok	Reporter:	Valorie Zimmerman <valorie.zimmerman>
Component:	Playback	Assignee:	Amarok Bugs <amarok-bugs-null>
Status:	RESOLVED WORKSFORME
Severity:	crash	Keywords:	regression
Priority:	NOR
Version First Reported In:	2.4-GIT
Target Milestone:	2.4.2
Platform:	Ubuntu
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Valorie Zimmerman 2011-06-20 08:37:23 UTC

Application: amarok (2.4-GIT)
KDE Platform Version: 4.6.4 (4.6.4)
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: Listening to some Bach. A few minutes later, notice no music, and Crash Reporting Assistant in the panel.

Built from git today, using Phonon-vlc built a week or so ago.

-- Backtrace:
Application: Amarok (amarok), signal: Aborted
[Current thread is 1 (Thread 0x7f9be960f7a0 (LWP 11868))]

Thread 10 (Thread 0x7f9be95c7700 (LWP 11871)):
#0  0x00007f9be26d4bac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f9bc8bfea30 in Thread () from /usr/lib/libvlccore.so.4
#2  0x00007f9be26cfd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x00007f9be5ed304d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f9b8f920700 (LWP 11873)):
#0  0x00007f9be26d3d9d in pthread_mutex_unlock () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f9bdfb7b0f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9bdfb7b639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9be6823446 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#4  0x00007f9be67f7882 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#5  0x00007f9be67f7abc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007f9be670e924 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f9be67d9c2f in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f9be6711175 in ?? () from /usr/lib/libQtCore.so.4
#9  0x00007f9be26cfd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f9be5ed304d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f9b85c5d700 (LWP 11875)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f9b85c5cac0 in ?? ()
#2  0x00007fffd2bff7b2 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 7 (Thread 0x7f9b85236700 (LWP 11876)):
#0  0x00007f9be26d4bac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f9be671182b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f9be3c7c0b4 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007f9be3c7e723 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007f9be3c7e73c in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007f9be3c7e73c in ?? () from /usr/lib/libthreadweaver.so.4
#6  0x00007f9be3c7d53f in ?? () from /usr/lib/libthreadweaver.so.4
#7  0x00007f9be3c7d5cb in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#8  0x00007f9be6711175 in ?? () from /usr/lib/libQtCore.so.4
#9  0x00007f9be26cfd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007f9be5ed304d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f9b84826700 (LWP 11877)):
#0  0x00007f9be26d4bac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f9be671182b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f9be3c7c0b4 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007f9be3c7e723 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007f9be3c7e73c in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007f9be3c7d53f in ?? () from /usr/lib/libthreadweaver.so.4
#6  0x00007f9be3c7d5cb in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#7  0x00007f9be6711175 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f9be26cfd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f9be5ed304d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f9b84025700 (LWP 11878)):
#0  0x00007f9be26d4bac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f9be671182b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f9be3c7c0b4 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007f9be3c7e723 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007f9be3c7d53f in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007f9be3c7d5cb in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007f9be6711175 in ?? () from /usr/lib/libQtCore.so.4
#7  0x00007f9be26cfd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007f9be5ed304d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f9b83824700 (LWP 11879)):
#0  0x00007f9be26d4bac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f9be671182b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007f9be3c7c0b4 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007f9be3c7e723 in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007f9be3c7e73c in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007f9be3c7e73c in ?? () from /usr/lib/libthreadweaver.so.4
#6  0x00007f9be3c7e73c in ?? () from /usr/lib/libthreadweaver.so.4
#7  0x00007f9be3c7e73c in ?? () from /usr/lib/libthreadweaver.so.4
#8  0x00007f9be3c7e73c in ?? () from /usr/lib/libthreadweaver.so.4
#9  0x00007f9be3c7e73c in ?? () from /usr/lib/libthreadweaver.so.4
#10 0x00007f9be3c7d53f in ?? () from /usr/lib/libthreadweaver.so.4
#11 0x00007f9be3c7d5cb in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#12 0x00007f9be6711175 in ?? () from /usr/lib/libQtCore.so.4
#13 0x00007f9be26cfd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007f9be5ed304d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#15 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f9b829d3700 (LWP 11880)):
#0  0x00007f9be26d4bac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f9bdc72f832 in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f9be26cfd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x00007f9be5ed304d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9b7f6dd700 (LWP 11883)):
#0  0x00007f9be26d4bac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f9be2cb62a2 in ?? () from /usr/lib/libQtScript.so.4
#2  0x00007f9be2cb62d9 in ?? () from /usr/lib/libQtScript.so.4
#3  0x00007f9be26cfd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f9be5ed304d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9be960f7a0 (LWP 11868)):
[KCrash Handler]
#6  0x00007f9be5e20d05 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x00007f9be5e24ab6 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x00007f9be6707ad4 in qt_message_output(QtMsgType, char const*) () from /usr/lib/libQtCore.so.4
#9  0x00007f9be6707c8f in ?? () from /usr/lib/libQtCore.so.4
#10 0x00007f9be6707e31 in qFatal(char const*, ...) () from /usr/lib/libQtCore.so.4
#11 0x00007f9b8482e5a2 in KSharedPtr<Meta::Track>::operator-> (this=0x7fffd2b9eba0) at /usr/include/ksharedptr.h:126
#12 0x00007f9b8482c7d2 in CurrentEngine::update (this=0x7f9b88074b70, album=...) at /home/valorie/kde/src/amarok/src/context/engines/current/CurrentEngine.cpp:221
#13 0x00007f9b8482b894 in CurrentEngine::metadataChanged (this=0x7f9b88074b70, track=...) at /home/valorie/kde/src/amarok/src/context/engines/current/CurrentEngine.cpp:115
#14 0x00007f9b8482cd9e in CurrentEngine::qt_metacall (this=0x7f9b88074b70, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fffd2b9ede0) at /home/valorie/kde/build/amarok/src/context/engines/current/CurrentEngine.moc:89
#15 0x00007f9be680d5f8 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#16 0x00007f9be8540f13 in EngineController::trackMetadataChanged (this=0x179f5a0, _t1=...) at /home/valorie/kde/build/amarok/src/EngineController.moc:261
#17 0x00007f9be853ef3d in EngineController::metadataChanged (this=0x179f5a0, track=...) at /home/valorie/kde/src/amarok/src/EngineController.cpp:1366
#18 0x00007f9be8ba461a in Meta::Track::notifyObservers (this=0x7f9b600686c0) at /home/valorie/kde/src/amarok/src/core/meta/Meta.cpp:324
#19 0x00007f9b90072fad in SqlRegistry::commitDirtyTracks (this=0x1d87110) at /home/valorie/kde/src/amarok/src/core-impl/collections/db/sql/SqlRegistry.cpp:790
#20 0x00007f9b9008cff2 in Meta::SqlTrack::commitMetaDataChanges (this=0x7f9b600686c0) at /home/valorie/kde/src/amarok/src/core-impl/collections/db/sql/SqlMeta.cpp:1028
#21 0x00007f9b9008b021 in Meta::SqlTrack::endMetaDataUpdate (this=0x7f9b600686c0) at /home/valorie/kde/src/amarok/src/core-impl/collections/db/sql/SqlMeta.cpp:786
#22 0x00007f9b9008df8e in Meta::SqlTrack::finishedPlaying (this=0x7f9b600686c0, playedFraction=1) at /home/valorie/kde/src/amarok/src/core-impl/collections/db/sql/SqlMeta.cpp:1137
#23 0x00007f9be853bd0a in EngineController::slotAboutToFinish (this=0x179f5a0) at /home/valorie/kde/src/amarok/src/EngineController.cpp:977
#24 0x00007f9be8540ad3 in EngineController::qt_metacall (this=0x179f5a0, _c=QMetaObject::InvokeMetaMethod, _id=39, _a=0x7fffd2b9f930) at /home/valorie/kde/build/amarok/src/EngineController.moc:204
#25 0x00007f9be680d5f8 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#26 0x00007f9be350f8cb in Phonon::MediaObject::aboutToFinish (this=0x17b1960) at /home/valorie/kde/src/phonon/build/phonon/moc_mediaobject.cpp:242
#27 0x00007f9be350e741 in Phonon::MediaObjectPrivate::_k_aboutToFinish (this=0x17afdb0) at /home/valorie/kde/src/phonon/phonon/mediaobject.cpp:580
#28 0x00007f9be350f4f5 in Phonon::MediaObject::qt_metacall (this=0x17b1960, _c=QMetaObject::InvokeMetaMethod, _id=21, _a=0x7f9b60047670) at /home/valorie/kde/src/phonon/build/phonon/moc_mediaobject.cpp:144
#29 0x00007f9be680c49a in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#30 0x00007f9be71b79e4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x00007f9be71bc3aa in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#32 0x00007f9be902d716 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#33 0x00007f9be67f849c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#34 0x00007f9be67fbc25 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#35 0x00007f9be6823253 in ?? () from /usr/lib/libQtCore.so.4
#36 0x00007f9bdfb7abcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f9bdfb7b3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f9bdfb7b639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f9be68233ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#40 0x00007f9be725edfe in ?? () from /usr/lib/libQtGui.so.4
#41 0x00007f9be67f7882 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#42 0x00007f9be67f7abc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#43 0x00007f9be67fbecb in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#44 0x000000000040c99e in main (argc=3, argv=0x7fffd2ba29e8) at /home/valorie/kde/src/amarok/src/main.cpp:289

Reported using DrKonqi

Comment 1 Valorie Zimmerman 2011-11-15 08:29:48 UTC

I have not experienced this crash again, and I use Amarok daily.

Comment 2 Myriam Schweingruber 2011-11-15 08:49:08 UTC

Setting status correctly.