Application: kmix (4)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
on flash video chashes ever. I have hdmi audio on a ati and a sound blaster audigy.

The crash can be reproduced every time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f62a52f6780 (LWP 13913))]

Thread 3 (Thread 0x7f62860a4700 (LWP 13914)):
#0  0x00007f62a4bbcb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f629a9c8ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f629a9c9124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f62a1943426 in QEventDispatcherGlib::processEvents (this=0x7f62800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f62a1912c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f62a1912ed7 in QEventLoop::exec (this=0x7f62860a3dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f62a1811fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f62a18f29ff in QInotifyFileSystemWatcherEngine::run (this=0x11db1d0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f62a1814fcb in QThreadPrivate::start (arg=0x11db1d0) at thread/qthread_unix.cpp:298
#9  0x00007f629b52fe9a in start_thread (arg=0x7f62860a4700) at pthread_create.c:308
#10 0x00007f62a4bc84bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6285697700 (LWP 13915)):
#0  timerSourcePrepareHelper (src=0x7f6274002600, timeout=0x7f6285696c6c) at kernel/qeventdispatcher_glib.cpp:136
#1  0x00007f62a1942a25 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#2  0x00007f629a9c871e in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f629a9c8f1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f629a9c9124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f62a1943426 in QEventDispatcherGlib::processEvents (this=0x7f62740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f62a1912c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f62a1912ed7 in QEventLoop::exec (this=0x7f6285696dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f62a1811fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f62a18f29ff in QInotifyFileSystemWatcherEngine::run (this=0x12a9670) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f62a1814fcb in QThreadPrivate::start (arg=0x12a9670) at thread/qthread_unix.cpp:298
#11 0x00007f629b52fe9a in start_thread (arg=0x7f6285697700) at pthread_create.c:308
#12 0x00007f62a4bc84bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f62a52f6780 (LWP 13913)):
[KCrash Handler]
#6  operator= (value=0, this=0x7f62a511eefc) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:93
#7  QObject::~QObject (this=0x121bc80, __in_chrg=<optimized out>) at kernel/qobject.cpp:836
#8  0x00007f62a192f699 in QSignalMapper::~QSignalMapper (this=0x121bc80, __in_chrg=<optimized out>) at kernel/qsignalmapper.cpp:141
#9  0x00007f62a4ee8e6b in MDWSlider::update (this=0x127f100) at ../../kmix/gui/mdwslider.cpp:1003
#10 0x00007f62a4ee464b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#11 0x00007f62a1928281 in QMetaObject::activate (sender=0x11d8740, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#12 0x00007f62a1928281 in QMetaObject::activate (sender=0x11d2210, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#13 0x00007f62a4ebdb0c in Mixer_Backend::readSetFromHW (this=0x11d2210) at ../../kmix/backends/mixer_backend.cpp:155
#14 0x00007f62a4ecddf5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#15 0x00007f62a32a5944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#16 0x00007f629aee7693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#17 0x00007f629aee7a03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#18 0x00007f62a329bbdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#19 0x00007f629aeec2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#20 0x00007f62a3089ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#21 0x00007f629a9c8c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f629a9c9060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f629a9c9124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f62a19433bf in QEventDispatcherGlib::processEvents (this=0xe3cad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#25 0x00007f62a262dd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007f62a1912c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007f62a1912ed7 in QEventLoop::exec (this=0x7fff45d1a7a0, flags=...) at kernel/qeventloop.cpp:204
#28 0x00007f62a1917f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#29 0x00007f62a4ed53e2 in kdemain (argc=1, argv=0x7fff45d1ad28) at ../../kmix/apps/main.cpp:76
#30 0x00007f62a4af776d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fff45d1ad28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff45d1ad18) at libc-start.c:226
#31 0x0000000000400661 in _start ()

Reported using DrKonqi