Bug 299908

Application: kmix (4)
KDE Platform Version: 4.8.2 (4.8.2) (Compiled from sources)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic-pae i686
Distribution: Ubuntu 12.04 LTS

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

Iniciando el equipo, sin hacer nada más. SE abre el escritorio y apareció el mensaje de error inmeditamente.

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 0xb1abc740 (LWP 1791))]

Thread 3 (Thread 0xaa0d0b40 (LWP 1795)):
#0  0xb2ee9c64 in __pthread_mutex_unlock_usercnt () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb75bf634 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2dad3d0 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2d6d0de in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2d6df18 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb2d6e1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb5b6d8e7 in QEventDispatcherGlib::processEvents (this=0xa9700468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb5b3950d in QEventLoop::processEvents (this=0xaa0d0240, flags=...) at kernel/qeventloop.cpp:149
#8  0xb5b397a9 in QEventLoop::exec (this=0xaa0d0240, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5a2294c in QThread::exec (this=0x8cb4fb0) at thread/qthread.cpp:501
#10 0xb5b16b5d in QInotifyFileSystemWatcherEngine::run (this=0x8cb4fb0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb5a25de0 in QThreadPrivate::start (arg=0x8cb4fb0) at thread/qthread_unix.cpp:298
#12 0xb2ee6d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0xb75b1ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa56feb40 (LWP 1796)):
#0  0xb2ee8e13 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb75bf5f4 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2dad390 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2d6d5b6 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2d6df6f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb2d6e1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb5b6d8e7 in QEventDispatcherGlib::processEvents (this=0xa4d00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb5b3950d in QEventLoop::processEvents (this=0xa56fe240, flags=...) at kernel/qeventloop.cpp:149
#8  0xb5b397a9 in QEventLoop::exec (this=0xa56fe240, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5a2294c in QThread::exec (this=0x8d788b0) at thread/qthread.cpp:501
#10 0xb5b16b5d in QInotifyFileSystemWatcherEngine::run (this=0x8d788b0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb5a25de0 in QThreadPrivate::start (arg=0x8d788b0) at thread/qthread_unix.cpp:298
#12 0xb2ee6d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0xb75b1ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1abc740 (LWP 1791)):
[KCrash Handler]
#7  0xb76d0f75 in MDWSlider::update (this=0x8d6c998) at ../../kmix/gui/mdwslider.cpp:1001
#8  0xb76cbc23 in ViewDockAreaPopup::refreshVolumeLevels (this=0x8d6c230) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0xb76c8913 in qt_static_metacall (_a=0xbfe8ffe0, _id=3, _o=0x8d6c230, _c=<optimized out>) at ./viewbase.moc:64
#10 ViewBase::qt_static_metacall (_o=0x8d6c230, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfe8ffe0) at ./viewbase.moc:55
#11 0xb5b516b1 in QMetaObject::activate (sender=0x8cfbd50, m=0xb770cd48, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3547
#12 0xb76ebc75 in Mixer::controlChanged (this=0x8cfbd50) at ./mixer.moc:117
#13 0xb5b516b1 in QMetaObject::activate (sender=0x8cfbdf8, m=0xb770ac44, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#14 0xb76a0ea5 in Mixer_Backend::controlChanged (this=0x8cfbdf8) at ./mixer_backend.moc:107
#15 0xb76a11a8 in Mixer_Backend::readSetFromHW (this=0x8cfbdf8) at ../../kmix/backends/mixer_backend.cpp:155
#16 0xb76ae12a in Mixer_PULSE::triggerUpdate (this=0x8cfbdf8) at ../../kmix/backends/mixer_pulse.cpp:1286
#17 0xb76b247d in sink_cb (c=0x8bee310, i=0x0, eol=1) at ../../kmix/backends/mixer_pulse.cpp:191
#18 0xb6adab45 in ?? () from /usr/lib/i386-linux-gnu/libpulse.so.0
#19 0xb2e99eed in ?? () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#20 0xb2e9a2f0 in pa_pdispatch_run () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#21 0xb6acea1d in ?? () from /usr/lib/i386-linux-gnu/libpulse.so.0
#22 0xb2e9f8c3 in ?? () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#23 0xb2e89c28 in ?? () from /usr/lib/i386-linux-gnu/libpulsecommon-1.1.so
#24 0xb6abda3a in ?? () from /usr/lib/i386-linux-gnu/libpulse-mainloop-glib.so.0
#25 0xb2d6dcda in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0xb2d6e0e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0xb2d6e1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0xb5b6d887 in QEventDispatcherGlib::processEvents (this=0x8a2aeb8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#29 0xb61dcaaa in QGuiEventDispatcherGlib::processEvents (this=0x8a2aeb8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#30 0xb5b3950d in QEventLoop::processEvents (this=0xbfe90b14, flags=...) at kernel/qeventloop.cpp:149
#31 0xb5b397a9 in QEventLoop::exec (this=0xbfe90b14, flags=...) at kernel/qeventloop.cpp:204
#32 0xb5b3eeba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#33 0xb6121a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#34 0xb76ba79b in kdemain (argc=3, argv=0xbfe90d74) at ../../kmix/apps/main.cpp:76
#35 0x0804850b in main (argc=3, argv=0xbfe90d74) at kmix_dummy.cpp:3

Possible duplicates by query: bug 299708, bug 299592, bug 299425, bug 299399, bug 299249.

Reported using DrKonqi