Bug 249060

Summary: Sound start to slow down and cuts the music [@ Phonon::VLC::VLCMediaObject::removeSink]
Product: [Frameworks and Libraries] phonon-backend-vlc Reporter: Invasor_Anulado <invasor.anulado2005>
Component: generalAssignee: Martin Sandsmark <martin.sandsmark>
Status: RESOLVED DUPLICATE    
Severity: crash CC: bcooksley, fabo, jb, martin.sandsmark, myriam
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Invasor_Anulado 2010-08-26 02:33:28 UTC 
Application: amarok (2.3.1)
KDE Platform Version: 4.5.00 (KDE 4.5.0)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-18-generic i686
Distribution: Ubuntu maverick (development branch)

-- Information about the crash:
Im playing music and i was on internet when starts the music to cuts parts of the song and slow the music.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
[Current thread is 1 (Thread 0xb65c4770 (LWP 2824))]

Thread 13 (Thread 0xb2dd8b70 (LWP 2831)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x03b015e3 in vlc_cond_wait () from /usr/lib/libvlccore.so.4
#4  0x086978c0 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 12 (Thread 0xae33fb70 (LWP 2834)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0xb72e1265 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0xb72e1341 in ?? () from /usr/lib/libQtWebKit.so.4
#5  0x002efcc9 in start_thread () from /lib/libpthread.so.0
#6  0x00d0b6ae in clone () from /lib/libc.so.6

Thread 11 (Thread 0xac5cdb70 (LWP 2835)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x00a068e7 in QWaitConditionPrivate::wait (this=0x8ccbf40, mutex=0x8ccc1e0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8ccbf40, mutex=0x8ccc1e0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00331030 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8ccbf28, th=0x8ccc388) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x003347dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8ccc2c0, th=0x8ccc388) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0033055b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8ccbf28, th=0x8ccc388) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x003348d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0x8ccc388) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0x8ccc388, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x003348f1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0x8ccc388) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0x8ccc388, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x003348f1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0x8ccc388) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0x8ccc388, previous=0x9da8078) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0x0033295e in ThreadWeaver::ThreadRunHelper::run (this=0xac5cd294, parent=0x8ccbf28, th=0x8ccc388) at ../../../threadweaver/Weaver/Thread.cpp:87
#15 0x0033307b in ThreadWeaver::Thread::run (this=0x8ccc388) at ../../../threadweaver/Weaver/Thread.cpp:142
#16 0x00a05d19 in QThreadPrivate::start (arg=0x8ccc388) at thread/qthread_unix.cpp:266
#17 0x002efcc9 in start_thread () from /lib/libpthread.so.0
#18 0x00d0b6ae in clone () from /lib/libc.so.6

Thread 10 (Thread 0xabdccb70 (LWP 2836)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x00a068e7 in QWaitConditionPrivate::wait (this=0x8ccbf40, mutex=0x8ccc1e0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8ccbf40, mutex=0x8ccc1e0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00331030 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8ccbf28, th=0xb2b007c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x003347dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8ccc2c0, th=0xb2b007c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0033055b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8ccbf28, th=0xb2b007c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x003348d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0xb2b007c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0xb2b007c0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x003348f1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0xb2b007c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0xb2b007c0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x003348f1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0xb2b007c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0xb2b007c0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0x003348f1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0xb2b007c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#15 0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0xb2b007c0, previous=0x9e67f78) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#16 0x0033295e in ThreadWeaver::ThreadRunHelper::run (this=0xabdcc294, parent=0x8ccbf28, th=0xb2b007c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#17 0x0033307b in ThreadWeaver::Thread::run (this=0xb2b007c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#18 0x00a05d19 in QThreadPrivate::start (arg=0xb2b007c0) at thread/qthread_unix.cpp:266
#19 0x002efcc9 in start_thread () from /lib/libpthread.so.0
#20 0x00d0b6ae in clone () from /lib/libc.so.6

Thread 9 (Thread 0xab5cbb70 (LWP 2837)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x00a068e7 in QWaitConditionPrivate::wait (this=0x8ccbf40, mutex=0x8ccc1e0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8ccbf40, mutex=0x8ccc1e0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00331030 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8ccbf28, th=0x8d35140) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x003347dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8ccc2c0, th=0x8d35140) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0033055b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8ccbf28, th=0x8d35140) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x003348d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0x8d35140) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0x8d35140, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x003348f1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0x8d35140) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0x8d35140, previous=0x9d57608) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x0033295e in ThreadWeaver::ThreadRunHelper::run (this=0xab5cb294, parent=0x8ccbf28, th=0x8d35140) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0x0033307b in ThreadWeaver::Thread::run (this=0x8d35140) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0x00a05d19 in QThreadPrivate::start (arg=0x8d35140) at thread/qthread_unix.cpp:266
#15 0x002efcc9 in start_thread () from /lib/libpthread.so.0
#16 0x00d0b6ae in clone () from /lib/libc.so.6

Thread 8 (Thread 0xaa5c1b70 (LWP 2840)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x0612a4d7 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x62291a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x0612a521 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x62291a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x002efcc9 in start_thread () from /lib/libpthread.so.0
#6  0x00d0b6ae in clone () from /lib/libc.so.6

Thread 7 (Thread 0xa7affb70 (LWP 2842)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x00a068e7 in QWaitConditionPrivate::wait (this=0x8ccbf40, mutex=0x8ccc1e0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8ccbf40, mutex=0x8ccc1e0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00331030 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8ccbf28, th=0x8cbcba0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x003347dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8ccc2c0, th=0x8cbcba0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0033055b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8ccbf28, th=0x8cbcba0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x003348d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8ccc2c0, th=0x8cbcba0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00331533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8ccbf28, th=0x8cbcba0, previous=0x9d1e168) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0033295e in ThreadWeaver::ThreadRunHelper::run (this=0xa7aff294, parent=0x8ccbf28, th=0x8cbcba0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0033307b in ThreadWeaver::Thread::run (this=0x8cbcba0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x00a05d19 in QThreadPrivate::start (arg=0x8cbcba0) at thread/qthread_unix.cpp:266
#13 0x002efcc9 in start_thread () from /lib/libpthread.so.0
#14 0x00d0b6ae in clone () from /lib/libc.so.6

Thread 6 (Thread 0xa1c9eb70 (LWP 2849)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x00a068e7 in QWaitConditionPrivate::wait (this=0x8f98af8, mutex=0x8f98af4, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8f98af8, mutex=0x8f98af4, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x0325d12a in QFileInfoGatherer::run (this=0x8f98aec) at dialogs/qfileinfogatherer.cpp:214
#6  0x00a05d19 in QThreadPrivate::start (arg=0x8f98aec) at thread/qthread_unix.cpp:266
#7  0x002efcc9 in start_thread () from /lib/libpthread.so.0
#8  0x00d0b6ae in clone () from /lib/libc.so.6

Thread 5 (Thread 0x9eb26b70 (LWP 2850)):
#0  0x0034e01a in ?? () from /usr/lib/libgthread-2.0.so.0
#1  0x0034ed31 in ?? () from /usr/lib/libgthread-2.0.so.0
#2  0x01afd222 in g_thread_self () from /lib/libglib-2.0.so.0
#3  0x01ad6993 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00b35ecf in QEventDispatcherGlib::processEvents (this=0x8f99710, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#5  0x00b05f19 in QEventLoop::processEvents (this=0x9eb26230, flags=) at kernel/qeventloop.cpp:149
#6  0x00b0639a in QEventLoop::exec (this=0x9eb26230, flags=...) at kernel/qeventloop.cpp:201
#7  0x00a02a9e in QThread::exec (this=0x8faa2c0) at thread/qthread.cpp:490
#8  0x00ae4e9b in QInotifyFileSystemWatcherEngine::run (this=0x8faa2c0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00a05d19 in QThreadPrivate::start (arg=0x8faa2c0) at thread/qthread_unix.cpp:266
#10 0x002efcc9 in start_thread () from /lib/libpthread.so.0
#11 0x00d0b6ae in clone () from /lib/libc.so.6

Thread 4 (Thread 0x98a4cb70 (LWP 2870)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x00a068e7 in QWaitConditionPrivate::wait (this=0x9253700, mutex=0x92536fc, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9253700, mutex=0x92536fc, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x0325d12a in QFileInfoGatherer::run (this=0x92536f4) at dialogs/qfileinfogatherer.cpp:214
#6  0x00a05d19 in QThreadPrivate::start (arg=0x92536f4) at thread/qthread_unix.cpp:266
#7  0x002efcc9 in start_thread () from /lib/libpthread.so.0
#8  0x00d0b6ae in clone () from /lib/libc.so.6

Thread 3 (Thread 0x9703ab70 (LWP 2871)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x00cfcde6 in poll () from /lib/libc.so.6
#2  0x01ae3beb in g_poll () from /lib/libglib-2.0.so.0
#3  0x01ad659c in ?? () from /lib/libglib-2.0.so.0
#4  0x01ad69a8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00b35ecf in QEventDispatcherGlib::processEvents (this=0x92579b8, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#6  0x00b05f19 in QEventLoop::processEvents (this=0x9703a230, flags=) at kernel/qeventloop.cpp:149
#7  0x00b0639a in QEventLoop::exec (this=0x9703a230, flags=...) at kernel/qeventloop.cpp:201
#8  0x00a02a9e in QThread::exec (this=0x9254f58) at thread/qthread.cpp:490
#9  0x00ae4e9b in QInotifyFileSystemWatcherEngine::run (this=0x9254f58) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00a05d19 in QThreadPrivate::start (arg=0x9254f58) at thread/qthread_unix.cpp:266
#11 0x002efcc9 in start_thread () from /lib/libpthread.so.0
#12 0x00d0b6ae in clone () from /lib/libc.so.6

Thread 2 (Thread 0xb2d57b70 (LWP 2873)):
#0  0x009a3416 in __kernel_vsyscall ()
#1  0x002f44dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00d18dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x03b015e3 in vlc_cond_wait () from /usr/lib/libvlccore.so.4
#4  0x091fa988 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0xb65c4770 (LWP 2824)):
[KCrash Handler]
#7  QList<Phonon::VLC::SinkNode*>::detachShared (this=0x0, node=0x87e91f0) at /usr/include/qt4/QtCore/qlist.h:131
#8  QList<Phonon::VLC::SinkNode*>::removeAll (this=0x0, node=0x87e91f0) at /usr/include/qt4/QtCore/qlist.h:757
#9  Phonon::VLC::VLCMediaObject::removeSink (this=0x0, node=0x87e91f0) at /build/buildd/phonon-backend-vlc-0.2.0/vlc/vlcmediaobject.cpp:537
#10 0x02b0c4ba in Phonon::VLC::SinkNode::disconnectFromMediaObject (this=0x87e91f0, mediaObject=0x0) at /build/buildd/phonon-backend-vlc-0.2.0/vlc/sinknode.cpp:74
#11 0x02aff2bc in Phonon::VLC::Backend::disconnectNodes (this=0x9200898, source=0x91f9338, sink=0x87e91f0) at /build/buildd/phonon-backend-vlc-0.2.0/vlc/backend.cpp:387
#12 0x019b2856 in Phonon::PathPrivate::executeTransaction (this=0xb2b01588, disconnections=..., connections=...) at ../../phonon/path.cpp:316
#13 0x019b316a in Phonon::PathPrivate::phononObjectDestroyed (this=0xb2b01588, mediaNodePrivate=0x82c9b38) at ../../phonon/path.cpp:408
#14 0x019b148f in ~MediaNodePrivate (this=0x82c9b38, __in_chrg=<value optimized out>) at ../../phonon/medianode.cpp:71
#15 0x019b0a0b in ~MediaObjectPrivate (this=0x82c9b38, __in_chrg=<value optimized out>) at ../../phonon/mediaobject_p.h:42
#16 0x019b106f in ~MediaNode (this=0x84552a8, __in_chrg=<value optimized out>) at ../../phonon/medianode.cpp:57
#17 0x019ae39c in ~MediaObject (this=0x84552a0, __in_chrg=<value optimized out>) at ../../phonon/mediaobject.cpp:65
#18 0x015a81f4 in ~EngineController (this=0x8454fe8, __in_chrg=<value optimized out>) at ../../src/EngineController.cpp:104
#19 0x016d699a in Amarok::DefaultApplicationController::shutdown (this=0x8455d68) at ../../src/statemanagement/DefaultApplicationController.cpp:63
#20 0x01593bbd in ~App (this=0xbfdf515c, __in_chrg=<value optimized out>) at ../../src/App.cpp:287
#21 0x0804fbb3 in main (argc=1, argv=0xbfdf59d4) at ../../src/main.cpp:237

Possible duplicates by query: bug 249024, bug 241851, bug 235057.

Reported using DrKonqi
Comment 1 Myriam Schweingruber 2010-08-26 10:38:36 UTC 
The problem is with the Phonon VLC backend, reassigning.
Comment 2 Myriam Schweingruber 2010-08-26 19:30:29 UTC 

*** This bug has been marked as a duplicate of bug 235057 ***
Comment 3 Myriam Schweingruber 2011-04-27 21:33:11 UTC 
Reassigning to the new bugzilla product for better bug tracing of the various
backends. Sorry for the noise.