Bug 300310

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:
- What I was doing when the application crashed:

Selecting the spdif output (hdmi was previously selected)

I'm using kubuntu 12.04

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 0x7f0c1322a780 (LWP 3204))]

Thread 3 (Thread 0x7f0bf311c700 (LWP 3221)):
#0  0x00007f0c08932554 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0c088f6729 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0c088f6f1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0c088f7124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0c0f871426 in QEventDispatcherGlib::processEvents (this=0x7f0bec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f0c0f840c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f0c0f840ed7 in QEventLoop::exec (this=0x7f0bf311bdd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f0c0f73ffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007f0c0f8209ff in QInotifyFileSystemWatcherEngine::run (this=0x1fa6a00) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f0c0f742fcb in QThreadPrivate::start (arg=0x1fa6a00) at thread/qthread_unix.cpp:298
#10 0x00007f0c0945de9a in start_thread (arg=0x7f0bf311c700) at pthread_create.c:308
#11 0x00007f0c12af64bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f0bf270f700 (LWP 3225)):
#0  0x00007f0c12aeab03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0c088f6ff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0c088f7124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0c0f871426 in QEventDispatcherGlib::processEvents (this=0x7f0be00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f0c0f840c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f0c0f840ed7 in QEventLoop::exec (this=0x7f0bf270edd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f0c0f73ffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f0c0f8209ff in QInotifyFileSystemWatcherEngine::run (this=0x2041c20) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f0c0f742fcb in QThreadPrivate::start (arg=0x2041c20) at thread/qthread_unix.cpp:298
#9  0x00007f0c0945de9a in start_thread (arg=0x7f0bf270f700) at pthread_create.c:308
#10 0x00007f0c12af64bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0c1322a780 (LWP 3204)):
[KCrash Handler]
#6  0x00007f0c12dba8b8 in main_arena () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x00007f0c12e16e26 in MDWSlider::update (this=0x2030520) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007f0c12e1264b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007f0c0f856281 in QMetaObject::activate (sender=0x1d80980, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007f0c0f856281 in QMetaObject::activate (sender=0x1fe0000, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#11 0x00007f0c12debb0c in Mixer_Backend::readSetFromHW (this=0x1fe0000) at ../../kmix/backends/mixer_backend.cpp:155
#12 0x00007f0c12dfbdf5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#13 0x00007f0c111d3944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#14 0x00007f0c08e15693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007f0c08e15a03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#16 0x00007f0c111c9bdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007f0c08e1a2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#18 0x00007f0c10fb7ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#19 0x00007f0c088f6c9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f0c088f7060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f0c088f7124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f0c0f8713bf in QEventDispatcherGlib::processEvents (this=0x1bdcad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f0c1055bd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f0c0f840c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f0c0f840ed7 in QEventLoop::exec (this=0x7fff1584f9a0, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f0c0f845f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x00007f0c12e033e2 in kdemain (argc=3, argv=0x7fff1584ff28) at ../../kmix/apps/main.cpp:76
#28 0x00007f0c12a2576d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fff1584ff28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1584ff18) at libc-start.c:226
#29 0x0000000000400661 in _start ()

Possible duplicates by query: bug 300291, bug 300259, bug 300257, bug 300182, bug 300177.

Reported using DrKonqi