Bug 300663

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 i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: cuando ejecuto contenido multimedia en firefox e intento subir o bajar el volumen desde la barra de tareas del escritorio del sistema kmix produce el error y se cierra, el sistema me da la alternativa de reiniciar kmix y al reiniciar se resuelve el problema y puedo controlar el volumen, despues de cambiar el contenido multimedial e intentar cambiar el volumen se vuleve a producir el fallo.

The crash can be reproduced every time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb776d740 (LWP 8850))]

Thread 3 (Thread 0xb0639b40 (LWP 8851)):
#0  0x00a01416 in __kernel_vsyscall ()
#1  0x002ed380 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x0248ca3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0247f06e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0247f1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x075f88e7 in QEventDispatcherGlib::processEvents (this=0xafd00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x075c450d in QEventLoop::processEvents (this=0xb0639240, flags=...) at kernel/qeventloop.cpp:149
#7  0x075c47a9 in QEventLoop::exec (this=0xb0639240, flags=...) at kernel/qeventloop.cpp:204
#8  0x074ad94c in QThread::exec (this=0x94f3bc0) at thread/qthread.cpp:501
#9  0x075a1b5d in QInotifyFileSystemWatcherEngine::run (this=0x94f3bc0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x074b0de0 in QThreadPrivate::start (arg=0x94f3bc0) at thread/qthread_unix.cpp:298
#11 0x089bad4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x002fbace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xabcfeb40 (LWP 8852)):
#0  0x089bccfe in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x003095f4 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0x024be390 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0247e76c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0247ef6f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x0247f1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x075f88e7 in QEventDispatcherGlib::processEvents (this=0xab300468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x075c450d in QEventLoop::processEvents (this=0xabcfe240, flags=...) at kernel/qeventloop.cpp:149
#8  0x075c47a9 in QEventLoop::exec (this=0xabcfe240, flags=...) at kernel/qeventloop.cpp:204
#9  0x074ad94c in QThread::exec (this=0x9593a38) at thread/qthread.cpp:501
#10 0x075a1b5d in QInotifyFileSystemWatcherEngine::run (this=0x9593a38) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x074b0de0 in QThreadPrivate::start (arg=0x9593a38) at thread/qthread_unix.cpp:298
#12 0x089bad4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0x002fbace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb776d740 (LWP 8850)):
[KCrash Handler]
#7  0x001d3f75 in MDWSlider::update (this=0x9577b70) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x001cec23 in ViewDockAreaPopup::refreshVolumeLevels (this=0x95677a0) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x001cb913 in qt_static_metacall (_a=0xbfb46fa0, _id=3, _o=0x95677a0, _c=<optimized out>) at ./viewbase.moc:64
#10 ViewBase::qt_static_metacall (_o=0x95677a0, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfb46fa0) at ./viewbase.moc:55
#11 0x075dc6b1 in QMetaObject::activate (sender=0x9518760, m=0x20fd48, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3547
#12 0x001eec75 in Mixer::controlChanged (this=0x9518760) at ./mixer.moc:117
#13 0x075dc6b1 in QMetaObject::activate (sender=0x9518718, m=0x20dc44, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#14 0x001a3ea5 in Mixer_Backend::controlChanged (this=0x9518718) at ./mixer_backend.moc:107
#15 0x001a41a8 in Mixer_Backend::readSetFromHW (this=0x9518718) at ../../kmix/backends/mixer_backend.cpp:155
#16 0x001b112a in Mixer_PULSE::triggerUpdate (this=0x9518718) at ../../kmix/backends/mixer_pulse.cpp:1286
#17 0x001b547d in sink_cb (c=0x94d2b00, i=0x0, eol=1) at ../../kmix/backends/mixer_pulse.cpp:191
#18 0x00906b45 in ?? () from /usr/lib/i386-linux-gnu/libpulse.so.0
#19 0x030b0eed in ?? () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#20 0x030b12f0 in pa_pdispatch_run () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#21 0x008faa1d in ?? () from /usr/lib/i386-linux-gnu/libpulse.so.0
#22 0x030b68c3 in ?? () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#23 0x030a0c28 in ?? () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#24 0x00ee6a3a in ?? () from /usr/lib/i386-linux-gnu/libpulse-mainloop-glib.so.0
#25 0x0247ecda in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x0247f0e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x0247f1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0x075f8887 in QEventDispatcherGlib::processEvents (this=0x9228ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#29 0x010deaaa in QGuiEventDispatcherGlib::processEvents (this=0x9228ea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x075c450d in QEventLoop::processEvents (this=0xbfb47ad4, flags=...) at kernel/qeventloop.cpp:149
#31 0x075c47a9 in QEventLoop::exec (this=0xbfb47ad4, flags=...) at kernel/qeventloop.cpp:204
#32 0x075c9eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#33 0x01023a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#34 0x001bd79b in kdemain (argc=1, argv=0xbfb47d34) at ../../kmix/apps/main.cpp:76
#35 0x0804850b in main (argc=1, argv=0xbfb47d34) at kmix_dummy.cpp:3

Possible duplicates by query: bug 300623, bug 300602, bug 300374, bug 300324, bug 300182.

Reported using DrKonqi