Application: knotify4 (4.0)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic i686
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
I've installed phonon and Gstreamer, then after changing the backend application (gstreamer in place of xine) the system crashes. I'm not able to configure kmix, i could hear the sound when kde start and when I test the sound system, but i can see only one channel (IEC958) when I select "HDA ATI HDMI" as main sound device....

The crash can be reproduced every time.

 -- Backtrace:
Application: KNotify (knotify4), signal: Aborted
[Current thread is 1 (Thread 0xb78d9710 (LWP 1339))]

Thread 3 (Thread 0xb3efcb70 (LWP 2035)):
#0  0x00738422 in __kernel_vsyscall ()
#1  0x006b5342 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00b87a34 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0x02168ce7 in ?? () from /usr/lib/libxine.so.1
#4  0x00000000 in ?? ()

Thread 2 (Thread 0xb34ffb70 (LWP 2036)):
[KCrash Handler]
#6  0x00738422 in __kernel_vsyscall ()
#7  0x00ad7651 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0x00adaa82 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0x007962dc in qt_message_output (msgType=QtFatalMsg, buf=0x8d98168 "ASSERT: \"!m_mrl.isEmpty()\" in file ../../xine/xinestream.cpp, line 1381") at global/qglobal.cpp:2250
#10 0x007964aa in qt_message (msgType=<value optimized out>, msg=0x9092fc "ASSERT: \"%s\" in file %s, line %d", ap=0xb34fe904 "t\333\276\006\377\326\276\006e\005") at global/qglobal.cpp:2296
#11 0x007965b9 in qFatal (msg=0x9092fc "ASSERT: \"%s\" in file %s, line %d") at global/qglobal.cpp:2479
#12 0x00796645 in qt_assert (assertion=0x6bedb74 "!m_mrl.isEmpty()", file=0x6bed6ff "../../xine/xinestream.cpp", line=1381) at global/qglobal.cpp:2013
#13 0x06bb6186 in Phonon::Xine::XineStream::event (this=0x8df5b20, ev=0x8c71598) at ../../xine/xinestream.cpp:1381
#14 0x010f94dc in QApplicationPrivate::notify_helper (this=0x8b8f4f8, receiver=0x8df5b20, e=0x8c71598) at kernel/qapplication.cpp:4300
#15 0x0110005e in QApplication::notify (this=0xbfa8e298, receiver=0x8df5b20, e=0x8c71598) at kernel/qapplication.cpp:3704
#16 0x002eff2a in KApplication::notify (this=0xbfa8e298, receiver=0x8df5b20, event=0x8c71598) at ../../kdeui/kernel/kapplication.cpp:302
#17 0x008a1a3b in QCoreApplication::notifyInternal (this=0xbfa8e298, receiver=0x8df5b20, event=0x8c71598) at kernel/qcoreapplication.cpp:704
#18 0x008a4473 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x8d54318) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8d54318) at kernel/qcoreapplication.cpp:1345
#20 0x008a45dd in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#21 0x008cdadf in QCoreApplication::sendPostedEvents (s=0x8e56440) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#22 postEventSourceDispatch (s=0x8e56440) at kernel/qeventdispatcher_glib.cpp:276
#23 0x077735e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#24 0x077772d8 in ?? () from /lib/libglib-2.0.so.0
#25 0x077774b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#26 0x008cd5d5 in QEventDispatcherGlib::processEvents (this=0x8cab260, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#27 0x008a0059 in QEventLoop::processEvents (this=0xb34ff280, flags=) at kernel/qeventloop.cpp:149
#28 0x008a04aa in QEventLoop::exec (this=0xb34ff280, flags=...) at kernel/qeventloop.cpp:201
#29 0x0079c5a8 in QThread::exec (this=0x8d92b98) at thread/qthread.cpp:487
#30 0x06ba796a in Phonon::Xine::XineThread::run (this=0x8d92b98) at ../../xine/xinethread.cpp:143
#31 0x0079f32e in QThreadPrivate::start (arg=0x8d92b98) at thread/qthread_unix.cpp:248
#32 0x006b096e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#33 0x00b7aa4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb78d9710 (LWP 1339)):
#0  0x00738422 in __kernel_vsyscall ()
#1  0x006b5342 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00b87a34 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0x0079ec1e in thread_sleep (ti=0x1) at thread/qthread_unix.cpp:398
#4  0x0079ed73 in QThread::msleep (msecs=200) at thread/qthread_unix.cpp:424
#5  0x06bd2664 in ~Backend (this=0xb57114f8, __in_chrg=<value optimized out>) at ../../xine/backend.cpp:111
#6  0x0064676d in ~FactoryPrivate (this=0x8c88588, __in_chrg=<value optimized out>) at ../3rdparty/phonon/phonon/factory.cpp:218
#7  0x006454d5 in destroy () at ../3rdparty/phonon/phonon/factory.cpp:84
#8  0x00640bab in ~CleanUpGlobalStatic (this=0x679468, __in_chrg=<value optimized out>) at ../3rdparty/phonon/phonon/globalstatic_p.h:55
#9  0x00adc1bf in ?? () from /lib/tls/i686/cmov/libc.so.6
#10 0x00adc22f in exit () from /lib/tls/i686/cmov/libc.so.6
#11 0x0117a5fb in qt_xio_errhandler () at kernel/qapplication_x11.cpp:734
#12 0x002efbfa in KApplication::xioErrhandler (this=0xbfa8e298, dpy=0x8ba3700) at ../../kdeui/kernel/kapplication.cpp:408
#13 0x002efc36 in kde_xio_errhandler (dpy=0x8ba3700) at ../../kdeui/kernel/kapplication.cpp:125
#14 0x00c45c16 in _XIOError () from /usr/lib/libX11.so.6
#15 0x00c4da1a in ?? () from /usr/lib/libX11.so.6
#16 0x00c4e356 in _XEventsQueued () from /usr/lib/libX11.so.6
#17 0x00c36adf in XEventsQueued () from /usr/lib/libX11.so.6
#18 0x011b938e in x11EventSourcePrepare (s=0x8ba3700, timeout=0xbfa8dfcc) at kernel/qguieventdispatcher_glib.cpp:79
#19 0x07776aca in g_main_context_prepare () from /lib/libglib-2.0.so.0
#20 0x07776ee9 in ?? () from /lib/libglib-2.0.so.0
#21 0x077774b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#22 0x008cd60f in QEventDispatcherGlib::processEvents (this=0x8b73118, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#23 0x011b9135 in QGuiEventDispatcherGlib::processEvents (this=0x8b73118, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x008a0059 in QEventLoop::processEvents (this=0xbfa8e1e4, flags=) at kernel/qeventloop.cpp:149
#25 0x008a04aa in QEventLoop::exec (this=0xbfa8e1e4, flags=...) at kernel/qeventloop.cpp:201
#26 0x008a469f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#27 0x010f9577 in QApplication::exec () at kernel/qapplication.cpp:3579
#28 0x0804e52f in _start ()

Possible duplicates by query: bug 240681, bug 230718, bug 230717, bug 220799, bug 220048.

Reported using DrKonqi