Bug 260811

Summary: Amarok crashed on failure to establish connection to radio stream
Product: [Frameworks and Libraries] Phonon Reporter: Oliver Ney <oliver>
Component: Xine backendAssignee: Harald Sitter <sitter>
Status: RESOLVED UPSTREAM    
Severity: crash CC: martin.sandsmark, myriam
Priority: NOR    
Version First Reported In: 4.4.2 (KDE 4.5)   
Target Milestone: ---   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Oliver Ney 2010-12-20 18:21:38 UTC 
Application: amarok (2.3.2)
KDE Platform Version: 4.4.5 (KDE 4.4.5) (Compiled from sources)
Qt Version: 4.7.1
Operating System: Linux 2.6.34-gentoo-r12-ck1 x86_64
Distribution: "Gentoo Base System release 1.12.14"

-- Information about the crash:
Amarok crashed a few times already when I was connecting to a radio stream using a very weak WLAN connection which uses the fail at times.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fb5e4a1e7a0 (LWP 6739))]

Thread 13 (Thread 0x7fb5dadc9710 (LWP 6762)):
#0  0x000000337360b5c9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00000036db61615e in metronom_sync_loop () from /usr/lib64/libxine.so.1
#2  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#3  0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 12 (Thread 0x7fb5da5c8710 (LWP 6763)):
[KCrash Handler]
#5  0x0000003372a778b9 in free () from /lib/libc.so.6
#6  0x00000036db6195b8 in fifo_buffer_dispose () from /usr/lib64/libxine.so.1
#7  0x00000036db61fb5b in _x_audio_decoder_shutdown () from /usr/lib64/libxine.so.1
#8  0x00000036db613205 in xine_dispose () from /usr/lib64/libxine.so.1
#9  0x00007fb5e20c597f in Phonon::Xine::XineStream::event(QEvent*) () from /usr/lib64/kde4/plugins/phonon_backend/phonon_xine.so
#10 0x0000003b4d3c739c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#11 0x0000003b4d3cc7dd in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#12 0x0000003b48a2c65b in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#13 0x0000003b49b6c5eb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#14 0x0000003b49b6f571 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/qt4/libQtCore.so.4
#15 0x0000003b49b98a93 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /usr/lib64/qt4/libQtCore.so.4
#16 0x000000337563e094 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#17 0x0000003375641d58 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#18 0x0000003375641ffb in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#19 0x0000003b49b985d3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#20 0x0000003b49b6b342 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#21 0x0000003b49b6b724 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#22 0x0000003b49a77f4d in QThread::exec() () from /usr/lib64/qt4/libQtCore.so.4
#23 0x00007fb5e20be120 in Phonon::Xine::XineThread::run() () from /usr/lib64/kde4/plugins/phonon_backend/phonon_xine.so
#24 0x0000003b49a7aede in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#25 0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#26 0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 11 (Thread 0x7fb5d9bbd710 (LWP 6766)):
#0  0x0000003372ac8503 in poll () from /lib/libc.so.6
#1  0x00007fb5d9bc29f5 in ao_alsa_handle_event_thread () from /usr/lib64/xine/plugins/1.28/xineplug_ao_out_alsa.so
#2  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#3  0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 10 (Thread 0x7fb5d93bc710 (LWP 6767)):
#0  0x000000337360b25c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00000036db6240a3 in fifo_peek_int () from /usr/lib64/libxine.so.1
#2  0x00000036db625aaa in ao_loop () from /usr/lib64/libxine.so.1
#3  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#4  0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 9 (Thread 0x7fb5d87b0710 (LWP 6768)):
#0  0x000000337360b25c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00000036db6240a3 in fifo_peek_int () from /usr/lib64/libxine.so.1
#2  0x00000036db625aaa in ao_loop () from /usr/lib64/libxine.so.1
#3  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#4  0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 8 (Thread 0x7fb5d2d33710 (LWP 6775)):
#0  0x000000337360b25c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x0000003b49a7ba8b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x0000003b5300b634 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned(ThreadWeaver::Thread*) () from /usr/lib64/libthreadweaver.so.4
#3  0x0000003b5300debb in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#4  0x0000003b5300c33f in ThreadWeaver::ThreadRunHelper::run(ThreadWeaver::WeaverImpl*, ThreadWeaver::Thread*) () from /usr/lib64/libthreadweaver.so.4
#5  0x0000003b5300c779 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#6  0x0000003b49a7aede in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#7  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#8  0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 7 (Thread 0x7fb5ceb8e710 (LWP 6777)):
#0  0x000000337360b25c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x0000003b51b973e4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/qt4/libQtScript.so.4
#2  0x0000003b51b97419 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/qt4/libQtScript.so.4
#3  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#4  0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 6 (Thread 0x7fb5c9dbf710 (LWP 6816)):
#0  0x000000337360b25c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x0000003b49a7ba8b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x0000003b5300b634 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned(ThreadWeaver::Thread*) () from /usr/lib64/libthreadweaver.so.4
#3  0x0000003b5300debb in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#4  0x0000003b5300ded4 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#5  0x0000003b5300ded4 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#6  0x0000003b5300ded4 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#7  0x0000003b5300c33f in ThreadWeaver::ThreadRunHelper::run(ThreadWeaver::WeaverImpl*, ThreadWeaver::Thread*) () from /usr/lib64/libthreadweaver.so.4
#8  0x0000003b5300c779 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#9  0x0000003b49a7aede in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#11 0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 5 (Thread 0x7fb5c95be710 (LWP 6829)):
#0  0x000000337360b25c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x0000003b49a7ba8b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x0000003b5300b634 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned(ThreadWeaver::Thread*) () from /usr/lib64/libthreadweaver.so.4
#3  0x0000003b5300debb in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#4  0x0000003b5300ded4 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#5  0x0000003b5300ded4 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#6  0x0000003b5300c33f in ThreadWeaver::ThreadRunHelper::run(ThreadWeaver::WeaverImpl*, ThreadWeaver::Thread*) () from /usr/lib64/libthreadweaver.so.4
#7  0x0000003b5300c779 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#8  0x0000003b49a7aede in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#9  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#10 0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 4 (Thread 0x7fb5c8dbd710 (LWP 6842)):
#0  0x000000337360b25c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x0000003b49a7ba8b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x0000003b5300b634 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned(ThreadWeaver::Thread*) () from /usr/lib64/libthreadweaver.so.4
#3  0x0000003b5300debb in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#4  0x0000003b5300ded4 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, ThreadWeaver::Job*) () from /usr/lib64/libthreadweaver.so.4
#5  0x0000003b5300c33f in ThreadWeaver::ThreadRunHelper::run(ThreadWeaver::WeaverImpl*, ThreadWeaver::Thread*) () from /usr/lib64/libthreadweaver.so.4
#6  0x0000003b5300c779 in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#7  0x0000003b49a7aede in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#8  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#9  0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 3 (Thread 0x7fb5b9c4f710 (LWP 7456)):
#0  0x0000003372aca913 in select () from /lib/libc.so.6
#1  0x00000036db63be95 in xine_usec_sleep () from /usr/lib64/libxine.so.1
#2  0x00000036db6229b1 in video_out_loop () from /usr/lib64/libxine.so.1
#3  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#4  0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 2 (Thread 0x7fb5b9065710 (LWP 7468)):
#0  0x000000337360b25c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00000036db61950b in fifo_buffer_get () from /usr/lib64/libxine.so.1
#2  0x00000036db61ef8f in video_decoder_loop () from /usr/lib64/libxine.so.1
#3  0x00000033736068c4 in start_thread () from /lib/libpthread.so.0
#4  0x0000003372ad11dd in clone () from /lib/libc.so.6

Thread 1 (Thread 0x7fb5e4a1e7a0 (LWP 6739)):
#0  0x000000337360b25c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x0000003b49a7ba8b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x00007fb5e20c186b in Phonon::Xine::XineStream::closeBlocking() () from /usr/lib64/kde4/plugins/phonon_backend/phonon_xine.so
#3  0x00007fb5e20d3ca6 in Phonon::Xine::MediaObject::~MediaObject() () from /usr/lib64/kde4/plugins/phonon_backend/phonon_xine.so
#4  0x0000003b4ee27d54 in Phonon::MediaNodePrivate::deleteBackendObject() () from /usr/lib64/libphonon.so.4
#5  0x0000003b4ee39312 in Phonon::FactoryPrivate::~FactoryPrivate() () from /usr/lib64/libphonon.so.4
#6  0x0000003372a34bd5 in __run_exit_handlers () from /lib/libc.so.6
#7  0x0000003372a34c25 in exit () from /lib/libc.so.6
#8  0x0000003b4d43eda8 in qt_xio_errhandler () from /usr/lib64/qt4/libQtGui.so.4
#9  0x0000003b48a2c088 in KApplication::xioErrhandler(_XDisplay*) () from /usr/lib64/libkdeui.so.5
#10 0x0000003374a479ee in _XIOError () from /usr/lib64/libX11.so.6
#11 0x0000003374a4f69d in _XEventsQueued () from /usr/lib64/libX11.so.6
#12 0x0000003374a382fb in XEventsQueued () from /usr/lib64/libX11.so.6
#13 0x0000003b4d478b8c in x11EventSourceCheck(_GSource*) () from /usr/lib64/qt4/libQtGui.so.4
#14 0x000000337564135a in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#15 0x0000003375641cb1 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#16 0x0000003375641ffb in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#17 0x0000003b49b985d3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#18 0x0000003b4d4789ce in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtGui.so.4
#19 0x0000003b49b6b342 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#20 0x0000003b49b6b724 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#21 0x0000003b49b6f79b in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4
#22 0x00000000004084d9 in main ()

Reported using DrKonqi
Comment 1 Myriam Schweingruber 2010-12-20 20:58:11 UTC 
This looks like a problem with libxine, not much we can do about, sorry.