Application: kmix (4)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.4.0-rc6 x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

Changing volume from the dock.  I may have been changing the audio source in phonon between "Built-in" and "GF116 High Definition Audio Controller Digital Surround 5.1 (HDMI)"

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 0x7fb51e6277c0 (LWP 1139))]

Thread 3 (Thread 0x7fb4fcb6e700 (LWP 1140)):
#0  0x00007fb513d2a591 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb513cee713 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb513ceef1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb513cef124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb51ac6d426 in QEventDispatcherGlib::processEvents (this=0x7fb4f80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007fb51ac3cc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fb51ac3ced7 in QEventLoop::exec (this=0x7fb4fcb6dcd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fb51ab3bfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007fb51ac1c9ff in QInotifyFileSystemWatcherEngine::run (this=0x140ccc0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fb51ab3efcb in QThreadPrivate::start (arg=0x140ccc0) at thread/qthread_unix.cpp:298
#10 0x00007fb50fc075a4 in ?? () from /usr/lib/libGL.so.1
#11 0x00007fb514856e9a in start_thread (arg=0x7fb4fcb6e700) at pthread_create.c:308
#12 0x00007fb51def24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fb4f3ffe700 (LWP 1141)):
#0  0x00007fb513cef11f in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb51ac6d426 in QEventDispatcherGlib::processEvents (this=0x7fb4ec0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#2  0x00007fb51ac3cc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#3  0x00007fb51ac3ced7 in QEventLoop::exec (this=0x7fb4f3ffdcd0, flags=...) at kernel/qeventloop.cpp:204
#4  0x00007fb51ab3bfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#5  0x00007fb51ac1c9ff in QInotifyFileSystemWatcherEngine::run (this=0x1549290) at io/qfilesystemwatcher_inotify.cpp:248
#6  0x00007fb51ab3efcb in QThreadPrivate::start (arg=0x1549290) at thread/qthread_unix.cpp:298
#7  0x00007fb50fc075a4 in ?? () from /usr/lib/libGL.so.1
#8  0x00007fb514856e9a in start_thread (arg=0x7fb4f3ffe700) at pthread_create.c:308
#9  0x00007fb51def24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb51e6277c0 (LWP 1139)):
[KCrash Handler]
#6  0x00007fb51af8bd40 in typeinfo for QAbstractAnimationPrivate () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fb51e212e26 in MDWSlider::update (this=0x14e8b30) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007fb51e20e64b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007fb51ac52281 in QMetaObject::activate (sender=0x143a7e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007fb51ac52281 in QMetaObject::activate (sender=0x14463e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#11 0x00007fb51e1e7b0c in Mixer_Backend::readSetFromHW (this=0x14463e0) at ../../kmix/backends/mixer_backend.cpp:155
#12 0x00007fb51e1f7df5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#13 0x00007fb51c5cf944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#14 0x00007fb51420d693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007fb51420da03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#16 0x00007fb51c5c5bdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007fb5142122a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#18 0x00007fb51c3b3ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#19 0x00007fb513ceec9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fb513cef060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fb513cef124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fb51ac6d3bf in QEventDispatcherGlib::processEvents (this=0x1073ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007fb51b957d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007fb51ac3cc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007fb51ac3ced7 in QEventLoop::exec (this=0x7fff48ec3be0, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007fb51ac41f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x00007fb51e1ff3e2 in kdemain (argc=5, argv=0x7fff48ec4168) at ../../kmix/apps/main.cpp:76
#28 0x00007fb51de2176d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=5, ubp_av=0x7fff48ec4168, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff48ec4158) at libc-start.c:226
#29 0x0000000000400661 in _start ()

Possible duplicates by query: bug 298230, bug 297508, bug 288786.

Reported using DrKonqi