Bug#719874: phonon-backend-vlc causes Knotify to crash at the boot up of Debian '7' Stable + KDE

Here is the backtrace:

Application: KNotify (knotify4), signal: Segmentation fault

Using host libthread_db library "/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".

[Current thread is 1 (Thread 0xb524c710 (LWP 3218))]

Thread 3 (Thread 0xb2394b70 (LWP 3220)):

#0 0xb599a170 in pthread_mutex_lock () from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0

#1 0xb5f5fa46 in pthread_mutex_lock () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

#2 0xb5903940 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0

#3 0xb58c35ae in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0

#4 0xb58c3a70 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0

#5 0xb58c3b51 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0

#6 0xb627d84f in QEventDispatcherGlib::processEvents (this=0x9796fa8, flags=...) at kernel/qeventdispatcher_glib.cpp:426

#7 0xb624a01c in QEventLoop::processEvents (this=this@entry=0xb23942a8, flags=...) at kernel/qeventloop.cpp:149

#8 0xb624a311 in QEventLoop::exec (this=0xb23942a8, flags=...) at kernel/qeventloop.cpp:204

#9 0xb6136b3c in QThread::exec (this=0x97ac038) at thread/qthread.cpp:501

#10 0xb622876d in QInotifyFileSystemWatcherEngine::run (this=0x97ac038) at io/qfilesystemwatcher_inotify.cpp:248

#11 0xb6139f00 in QThreadPrivate::start (arg=0x97ac038) at thread/qthread_unix.cpp:307

#12 0xb5997c39 in start_thread () from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0

#13 0xb5f5278e in clone () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

Thread 2 (Thread 0xb1875b70 (LWP 3331)):

#0 0xb77c7424 in __kernel_vsyscall ()

#1 0xb599c20a in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0

#2 0xb5f5f87d in pthread_cond_wait () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

#3 0xb19ceea3 in vlc_cond_wait (p_condvar=p_condvar@entry=0x98265d4, p_mutex=p_mutex@entry=0x98265bc) at posix/thread.c:431

#4 0xb1941aa1 in LoopRequest (p_playlist=0x98264f8) at playlist/thread.c:544

#5 Thread (data="" at playlist/thread.c:592

#6 0xb5997c39 in start_thread () from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0

#7 0xb5f5278e in clone () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

Thread 1 (Thread 0xb524c710 (LWP 3218)):

[KCrash Handler]

#7 0xb5f65674 in __strcpy_chk () from /lib/i386-linux-gnu/i686/cmov/libc.so.6

#8 0xb1aa2acf in strcpy (__src=0x0, __dest=0x99280f8 "pcm.(null)") at /usr/include/i386-linux-gnu/bits/string3.h:105

#9 try_config (list=list@entry=0xbfc50c0c, base=0xb1b71ca2 "pcm", name=0x0) at namehint.c:241

#10 0xb1aa3cc8 in add_software_devices (list=0xbfc50c0c) at namehint.c:512

#11 snd_device_name_hint (card=card@entry=-1, iface=<optimized out>, iface@entry=0xb1b71ca2 "pcm", hints=hints@entry=0xbfc50cdc) at namehint.c:587

#12 0xb1b7012b in GetDevices (obj=obj@entry=0x9777a30, item=item@entry=0x990f230, prefs_dev=<optimized out>, prefs_dev@entry=0xb1b71c7e "default") at alsa.c:730

#13 0xb1b712ab in FindDevicesCallback (p_this=0x9777a30, psz_name=0x9776e40 "alsa-audio-device", newval=..., oldval=..., p_unused=0x0) at alsa.c:712

#14 0xb1906cbe in libvlc_audio_output_device_count (p_instance=0x9776c78, psz_audio_output=0x98f7d20 "alsa") at audio.c:167

#15 0xb1a46a6b in Phonon::VLC::DeviceManager::updateDeviceList (this=0x98cfed0) at ../../src/devicemanager.cpp:243

#16 0xb1a3fb08 in Phonon::VLC::Backend::Backend (this=0x980d630, parent=0x0) at ../../src/backend.cpp:99

#17 0xb1a3ff5b in qt_plugin_instance () at ../../src/backend.cpp:50

#18 0xb622e480 in QPluginLoader::instance (this=0xbfc510ac) at plugin/qpluginloader.cpp:204

#19 0xb1b8975c in Phonon::KdePlatformPlugin::createBackend (this=this@entry=0x9672370, newService=...) at ../../../phonon/platform_kde/kdeplatformplugin.cpp:130

#20 0xb1b8a1a9 in Phonon::KdePlatformPlugin::createBackend (this=0x9672370) at ../../../phonon/platform_kde/kdeplatformplugin.cpp:183

#21 0xb730a2b8 in Phonon::FactoryPrivate::createBackend (this=this@entry=0x980de10) at ../../phonon/factory.cpp:130

#22 0xb730bbfb in Phonon::Factory::backend (createWhenNull=createWhenNull@entry=true) at ../../phonon/factory.cpp:460

#23 0xb730c096 in Phonon::Factory::createAudioOutput (parent=0x980e098) at ../../phonon/factory.cpp:356

#24 0xb730050b in createBackendObject (this=0x980e1e0) at ../../phonon/audiooutput.cpp:138

#25 Phonon::AudioOutputPrivate::createBackendObject (this=0x980e1e0) at ../../phonon/audiooutput.cpp:133

#26 0xb72fc81f in Phonon::AudioOutputPrivate::init (this=0x980e1e0, c=Phonon::NotificationCategory) at ../../phonon/audiooutput.cpp:111

#27 0x080548f4 in Player (this=0x97244a8) at ../../knotify/notifybysound.cpp:58

#28 PlayerPool::getPlayer (this=0x978adbc) at ../../knotify/notifybysound.cpp:98

#29 0x08054d95 in NotifyBySound::notify (this=0x9797778, eventId=3, config=0x97b7db8) at ../../knotify/notifybysound.cpp:242

#30 0x08051b80 in KNotify::emitEvent (this=this@entry=0xbfc5212c, e=e@entry=0x97b7db0) at ../../knotify/knotify.cpp:230

#31 0x080528f5 in KNotify::event (this=0xbfc5212c, event=..., appname=..., contexts=..., title=..., text=..., image=..., actions=..., timeout=timeout@entry=-1, winId=winId@entry=0) at ../../knotify/knotify.cpp:149

#32 0x08052c1a in KNotifyAdaptor::event (this=this@entry=0x97a19f8, event=..., fromApp=..., contexts=..., title=..., text=..., image=..., actions=..., timeout=-1, winId=0) at ../../knotify/knotify.cpp:289

#33 0x08052dd2 in qt_static_metacall (_a=0xbfc517ac, _id=4, _o=0x97a19f8, _c=<optimized out>) at ./knotify.moc:218

#34 KNotifyAdaptor::qt_static_metacall (_o=0x97a19f8, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfc517ac) at ./knotify.moc:208

#35 0x08052ef4 in KNotifyAdaptor::qt_metacall (this=0x97a19f8, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfc517ac) at ./knotify.moc:260

#36 0xb63d443e in QDBusConnectionPrivate::deliverCall (this=0x9672920, object=0x97a19f8, msg=..., metaTypes=..., slotIdx=128) at qdbusintegrator.cpp:947

#37 0xb63d55c4 in QDBusConnectionPrivate::activateCall (this=0x9672920, object=0x97a19f8, flags=273, msg=...) at qdbusintegrator.cpp:857

#38 0xb63d5ca2 in QDBusConnectionPrivate::activateObject (this=0x9672920, node=..., msg=..., pathStartPos=159302401) at qdbusintegrator.cpp:1423

#39 0xb63d60a8 in QDBusActivateObjectEvent::placeMetaCall (this=0x981b598) at qdbusintegrator.cpp:1537

#40 0xb6261cbb in QObject::event (this=0xbfc5212c, e=0x981b598) at kernel/qobject.cpp:1195

#41 0xb686147c in QApplicationPrivate::notify_helper (this=0x9680fc8, receiver=0xbfc5212c, e=0x981b598) at kernel/qapplication.cpp:4556

#42 0xb6865e7f in QApplication::notify (this=0x981b598, receiver=0xbfc5212c, e=0x981b598) at kernel/qapplication.cpp:3938

#43 0xb75566b1 in KApplication::notify (this=0xbfc5211c, receiver=0xbfc5212c, event=0x981b598) at ../../kdeui/kernel/kapplication.cpp:311

#44 0xb624b54e in QCoreApplication::notifyInternal (this=0xbfc5211c, receiver=0xbfc5212c, event=0x981b598) at kernel/qcoreapplication.cpp:915

#45 0xb624f75d in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231

#46 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data="" at kernel/qcoreapplication.cpp:1539

#47 0xb624f9dc in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1432

#48 0xb627d6b4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236

#49 postEventSourceDispatch (s=0x967ea68) at kernel/qeventdispatcher_glib.cpp:279

#50 0xb58c36d3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0

#51 0xb58c3a70 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0

#52 0xb58c3b51 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0

#53 0xb627d831 in QEventDispatcherGlib::processEvents (this=0x965e5a8, flags=...) at kernel/qeventdispatcher_glib.cpp:424

#54 0xb69141fa in QGuiEventDispatcherGlib::processEvents (this=0x965e5a8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204

#55 0xb624a01c in QEventLoop::processEvents (this=this@entry=0xbfc52048, flags=...) at kernel/qeventloop.cpp:149

#56 0xb624a311 in QEventLoop::exec (this=0xbfc52048, flags=...) at kernel/qeventloop.cpp:204

#57 0xb624fa8a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187

#58 0xb685f2f4 in QApplication::exec () at kernel/qapplication.cpp:3817

#59 0x0804ff32 in main (argc=1, argv=0xbfc52214) at ../../knotify/main.cpp:73

--------------------------------------------------

Here is the output of the command $ dpkg -l 'libav*' | grep ^ii :

ii libavahi-client3:i386 0.6.31-2 i386 Avahi client library

ii libavahi-common-data:i386 0.6.31-2 i386 Avahi common data files

ii libavahi-common3:i386 0.6.31-2 i386 Avahi common library

ii libavahi-core7:i386 0.6.31-2 i386 Avahi's embeddable mDNS/DNS-SD library

ii libavahi-glib1:i386 0.6.31-2 i386 Avahi GLib integration library

ii libavc1394-0:i386 0.5.4-2 i386 control IEEE 1394 audio/video devices

ii libavcodec53:i386 6:0.8.6-1 i386 Libav codec library

ii libavdevice53:i386 6:0.8.6-1 i386 Libav device handling library

ii libavformat53:i386 6:0.8.6-1 i386 Libav file format library

ii libavutil51:i386 6:0.8.6-1 i386 Libav utility library

----------------------------------------------------------

The command $ dpkg -l '*' | grep ^ii | grep -- -dmo has no output.

Thank you very much for your attention.