Application: systemsettings (1.0)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.33.3-72.fc13.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
The process that produced this bug was:
1. start multimedia configuration
2. select the internal audio device
3. activate "test"
4. In "backend" change the order of the backends (while test is running)
5. stop "test".

The crash does not seem to be reproducible.

 -- Backtrace:
Application: System Settings (systemsettings), signal: Aborted
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f4ce1c49820 (LWP 12063))]

Thread 4 (Thread 0x7f4ccde71710 (LWP 12074)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f4cd2b3a28b in ?? () from /usr/lib64/libxine.so.1
#2  0x00007f4cd2b402fd in ?? () from /usr/lib64/libxine.so.1
#3  0x0000003219a07951 in start_thread (arg=0x7f4ccde71710) at pthread_create.c:301
#4  0x0000003218ee4d3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7f4ccd470710 (LWP 12075)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f4cd2b3a28b in ?? () from /usr/lib64/libxine.so.1
#2  0x00007f4cd2b412fd in ?? () from /usr/lib64/libxine.so.1
#3  0x0000003219a07951 in start_thread (arg=0x7f4ccd470710) at pthread_create.c:301
#4  0x0000003218ee4d3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f4cd18a2710 (LWP 12082)):
#0  0x0000003218edb623 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x000000335742cc0f in ?? () from /usr/lib64/libpulse.so.0
#2  0x000000335741cae6 in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
#3  0x000000335741dec9 in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#4  0x000000335741df80 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#5  0x000000335742ca0b in ?? () from /usr/lib64/libpulse.so.0
#6  0x0000003357838878 in ?? () from /usr/lib64/libpulsecommon-0.9.21.so
#7  0x0000003219a07951 in start_thread (arg=0x7f4cd18a2710) at pthread_create.c:301
#8  0x0000003218ee4d3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f4ce1c49820 (LWP 12063)):
[KCrash Handler]
#5  0x0000003218e33955 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x0000003218e35135 in abort () at abort.c:92
#7  0x0000003352469a74 in qt_message_output (msgType=<value optimized out>, buf=<value optimized out>) at global/qglobal.cpp:2250
#8  0x0000003352469c52 in qt_message(QtMsgType, const char *, typedef __va_list_tag __va_list_tag *) (msgType=QtFatalMsg, msg=0x33525af068 "ASSERT: \"%s\" in file %s, line %d", ap=0x7fffa105e590)
    at global/qglobal.cpp:2296
#9  0x0000003352469e05 in qFatal (msg=<value optimized out>) at global/qglobal.cpp:2479
#10 0x00007f4cd6fdefc8 in Phonon::Gstreamer::MediaNode::disconnectNode (this=0x2873260, obj=0x2550cc0) at /usr/src/debug/phonon-4.4.1/gstreamer/medianode.cpp:203
#11 0x000000335842754d in Phonon::PathPrivate::executeTransaction (this=<value optimized out>, disconnections=..., connections=...) at /usr/src/debug/phonon-4.4.1/phonon/path.cpp:316
#12 0x0000003358429ab6 in Phonon::PathPrivate::phononObjectDestroyed (this=0x275e330, mediaNodePrivate=0x274f5b0) at /usr/src/debug/phonon-4.4.1/phonon/path.cpp:408
#13 0x000000335842678c in Phonon::MediaNodePrivate::~MediaNodePrivate (this=0x274f5b0, __in_chrg=<value optimized out>) at /usr/src/debug/phonon-4.4.1/phonon/medianode.cpp:71
#14 0x0000003358426421 in ~MediaObjectPrivate (this=0x274f5b0, __in_chrg=<value optimized out>) at /usr/src/debug/phonon-4.4.1/phonon/mediaobject_p.h:42
#15 Phonon::MediaObjectPrivate::~MediaObjectPrivate (this=0x274f5b0, __in_chrg=<value optimized out>) at /usr/src/debug/phonon-4.4.1/phonon/mediaobject_p.h:42
#16 0x0000003358423c1b in Phonon::MediaObject::~MediaObject (this=0x1f5d0a0, __in_chrg=<value optimized out>) at /usr/src/debug/phonon-4.4.1/phonon/mediaobject.cpp:65
#17 0x0000003358423c69 in Phonon::MediaObject::~MediaObject (this=0x1f5d0a0, __in_chrg=<value optimized out>) at /usr/src/debug/phonon-4.4.1/phonon/mediaobject.cpp:65
#18 0x00007f4cd72049ab in ?? () from /usr/lib64/kde4/kcm_phonon.so
#19 0x00007f4cd7206dfc in ?? () from /usr/lib64/kde4/kcm_phonon.so
#20 0x000000335256a81f in QMetaObject::activate (sender=0x24e29b0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffa105ea10) at kernel/qobject.cpp:3293
#21 0x00000033543df7d2 in QAbstractButton::toggled (this=<value optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:213
#22 0x0000003354130673 in QAbstractButton::setChecked (this=0x24e29b0, checked=false) at widgets/qabstractbutton.cpp:766
#23 0x000000335413030a in QAbstractButtonPrivate::click (this=0x24e3410) at widgets/qabstractbutton.cpp:528
#24 0x00000033541305bc in QAbstractButton::mouseReleaseEvent (this=0x24e29b0, e=0x7fffa105f380) at widgets/qabstractbutton.cpp:1121
#25 0x00000033541eb33a in QToolButton::mouseReleaseEvent (this=<value optimized out>, e=<value optimized out>) at widgets/qtoolbutton.cpp:721
#26 0x0000003353df5aba in QWidget::event (this=0x24e29b0, event=0x7fffa105f380) at kernel/qwidget.cpp:7998
#27 0x0000003353daaa0c in QApplicationPrivate::notify_helper (this=0x1f603c0, receiver=0x24e29b0, e=0x7fffa105f380) at kernel/qapplication.cpp:4300
#28 0x0000003353db11ad in QApplication::notify (this=<value optimized out>, receiver=0x24e29b0, e=0x7fffa105f380) at kernel/qapplication.cpp:3865
#29 0x0000003355006da6 in KApplication::notify (this=0x7fffa1060080, receiver=0x24e29b0, event=0x7fffa105f380) at /usr/src/debug/kdelibs-4.4.2/kdeui/kernel/kapplication.cpp:302
#30 0x0000003352557cdc in QCoreApplication::notifyInternal (this=0x7fffa1060080, receiver=0x24e29b0, event=0x7fffa105f380) at kernel/qcoreapplication.cpp:704
#31 0x0000003353db039e in sendEvent (receiver=0x24e29b0, event=0x7fffa105f380, alienWidget=0x24e29b0, nativeWidget=0x2007820, buttonDown=0x335482b108, lastMouseReceiver=..., spontaneous=true)
    at ../../src/corelib/kernel/qcoreapplication.h:215
#32 QApplicationPrivate::sendMouseEvent (receiver=0x24e29b0, event=0x7fffa105f380, alienWidget=0x24e29b0, nativeWidget=0x2007820, buttonDown=0x335482b108, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2965
#33 0x0000003353e223c5 in QETWidget::translateMouseEvent (this=0x2007820, event=<value optimized out>) at kernel/qapplication_x11.cpp:4373
#34 0x0000003353e20d3c in QApplication::x11ProcessEvent (this=0x7fffa1060080, event=0x7fffa105fca0) at kernel/qapplication_x11.cpp:3506
#35 0x0000003353e49d12 in x11EventSourceDispatch (s=0x1f587d0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#36 0x0000003557a3bd02 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#37 0x0000003557a3fae8 in ?? () from /lib64/libglib-2.0.so.0
#38 0x0000003557a3fc9c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#39 0x000000335257d603 in QEventDispatcherGlib::processEvents (this=0x1f2ec60, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#40 0x0000003353e499de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x0000003352556722 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#42 0x00000033525569ec in QEventLoop::exec (this=0x7fffa105ffd0, flags=...) at kernel/qeventloop.cpp:201
#43 0x0000003352558cd9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#44 0x00000000004102f9 in _start ()

Reported using DrKonqi