Application: kmix (4)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-23-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
I tried switching from standard analog to 5.1 analog. All i can get to work with the 5.1 analog is the 2 front speakers.

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 0x7f7e86ca3780 (LWP 1895))]

Thread 3 (Thread 0x7f7e66c61700 (LWP 1912)):
#0  0x00007f7e7ced0f69 in __pthread_mutex_lock (mutex=0x7f7e60000a60) at pthread_mutex_lock.c:92
#1  0x00007f7e7c3a3561 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7e7c368110 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7e832e2426 in QEventDispatcherGlib::processEvents (this=0x7f7e600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f7e832b1c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7e832b1ed7 in QEventLoop::exec (this=0x7f7e66c60dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f7e831b0fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f7e832919ff in QInotifyFileSystemWatcherEngine::run (this=0x19041a0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7e831b3fcb in QThreadPrivate::start (arg=0x19041a0) at thread/qthread_unix.cpp:298
#9  0x00007f7e7cecee9a in start_thread (arg=0x7f7e66c61700) at pthread_create.c:308
#10 0x00007f7e865674bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7e66254700 (LWP 1919)):
#0  0x00007f7e8655bb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7e7c367ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7e7c368124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7e832e2426 in QEventDispatcherGlib::processEvents (this=0x7f7e540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f7e832b1c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7e832b1ed7 in QEventLoop::exec (this=0x7f7e66253dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f7e831b0fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f7e832919ff in QInotifyFileSystemWatcherEngine::run (this=0x172e7d0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7e831b3fcb in QThreadPrivate::start (arg=0x172e7d0) at thread/qthread_unix.cpp:298
#9  0x00007f7e7cecee9a in start_thread (arg=0x7f7e66254700) at pthread_create.c:308
#10 0x00007f7e865674bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7e86ca3780 (LWP 1895)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f7e86887e26 in MDWSlider::update (this=0x1fc5630) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007f7e8688364b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007f7e832c7281 in QMetaObject::activate (sender=0x16c7180, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007f7e832c7281 in QMetaObject::activate (sender=0x18e7a60, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#11 0x00007f7e8685cb0c in Mixer_Backend::readSetFromHW (this=0x18e7a60) at ../../kmix/backends/mixer_backend.cpp:155
#12 0x00007f7e8686cdf5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#13 0x00007f7e84c44944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#14 0x00007f7e7c886693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007f7e7c886a03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#16 0x00007f7e84c3abdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007f7e7c88b2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#18 0x00007f7e84a28ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#19 0x00007f7e7c367c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f7e7c368060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f7e7c368124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f7e832e23bf in QEventDispatcherGlib::processEvents (this=0x1574ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f7e83fccd6e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#24 0x00007f7e832b1c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f7e832b1ed7 in QEventLoop::exec (this=0x7fffbc589190, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f7e832b6f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x00007f7e868743e2 in kdemain (argc=1, argv=0x7fffbc589718) at ../../kmix/apps/main.cpp:76
#28 0x00007f7e8649676d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fffbc589718, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffbc589708) at libc-start.c:226
#29 0x0000000000400661 in _start ()

Possible duplicates by query: bug 299811, bug 299721, bug 299720, bug 299708, bug 299693.

Reported using DrKonqi