Bug 296996

Application: kmix (4)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.2.0-20-generic x86_64
Distribution: Ubuntu precise (development branch)

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

I was browsing a webpage in firefox that did not have any audio components and saw a popup that KMix had crashed.  I had not recently done anything that I think would affect it.

-- 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 0x7f7289c42780 (LWP 9434))]

Thread 2 (Thread 0x7f7265c79700 (LWP 9441)):
#0  0x00007f7289515b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f727f3200e6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f727f320214 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f728629ba96 in QEventDispatcherGlib::processEvents (this=0x7f72600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f728626b2f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f728626b547 in QEventLoop::exec (this=0x7f7265c78dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f728616af97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f728624b06f in QInotifyFileSystemWatcherEngine::run (this=0x12d43c0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f728616dfbb in QThreadPrivate::start (arg=0x12d43c0) at thread/qthread_unix.cpp:298
#9  0x00007f727fe86e9a in start_thread (arg=0x7f7265c79700) at pthread_create.c:308
#10 0x00007f72895214bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7289c42780 (LWP 9434)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f7289841e26 in MDWSlider::update (this=0x1454df0) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007f728983d64b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007f72862808f1 in QMetaObject::activate (sender=0x13fd160, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007f72862808f1 in QMetaObject::activate (sender=0x14aef40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#11 0x00007f7289816b0c in Mixer_Backend::readSetFromHW (this=0x14aef40) at ../../kmix/backends/mixer_backend.cpp:155
#12 0x00007f7289826df5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#13 0x00007f7287bfe944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#14 0x00007f727f83e693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007f727f83ea03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#16 0x00007f7287bf4bdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007f727f8432a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#18 0x00007f72879e2ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#19 0x00007f727f31fd8a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f727f320150 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f727f320214 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f728629ba2f in QEventDispatcherGlib::processEvents (this=0x10ecad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f7286f86b1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f728626b2f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f728626b547 in QEventLoop::exec (this=0x7fff2be53a10, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f72862705d7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x00007f728982e3e2 in kdemain (argc=3, argv=0x7fff2be53f98) at ../../kmix/apps/main.cpp:76
#28 0x00007f728945076d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fff2be53f98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2be53f88) at libc-start.c:226
#29 0x0000000000400661 in _start ()

Possible duplicates by query: bug 296989, bug 296945, bug 296937, bug 296919, bug 296886.

Reported using DrKonqi