Bug 296341

Application: kmix (4)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.2.0-18-generic-pae i686
Distribution: Ubuntu precise (development branch)

-- Information about the crash:
kmix crashed while I was watching youtube videos.

The crash can be reproduced some of the 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 0xb1b30740 (LWP 11466))]

Thread 3 (Thread 0xaebffb40 (LWP 11468)):
#0  0xb7744424 in __kernel_vsyscall ()
#1  0xb75d1020 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2dabb7b in g_poll (fds=0xae2022b0, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.31.20/./glib/gpoll.c:132
#3  0xb2d9e11e in g_main_context_poll (n_fds=3, fds=0xae2022b0, timeout=<optimized out>, context=0xaec083c8, priority=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3412
#4  g_main_context_iterate (dispatch=1, block=-1294288048, context=0xaec083c8, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3113
#5  g_main_context_iterate (context=0xaec083c8, block=-1294288048, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
#6  0xb2d9e5db in g_main_loop_run (loop=0xaec083b8) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
#7  0xafd5398a in gdbus_shared_thread_func (user_data=0xaec094d0) at /build/buildd/glib2.0-2.31.20/./gio/gdbusprivate.c:277
#8  0xb2dc1483 in g_thread_proxy (data=0xaec02bb0) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:801
#9  0xb2f16d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#10 0xb75df76e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa4441b40 (LWP 11469)):
#0  0xb2f0adcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb5ab5da5 in do_gettime (frac=0xa4440fb0, sec=0xa4440fa8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb5b9f956 in QTimerInfoList::updateCurrentTime (this=0xa3b02274) at kernel/qeventdispatcher_unix.cpp:343
#4  0xb5b9fcaa in QTimerInfoList::timerWait (this=0xa3b02274, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0xb5b9e553 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa44410bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb5b9e5ed in timerSourcePrepare (source=0xa3b02240, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb2d9d812 in g_main_context_prepare (context=0xa3b004e0, priority=0xa4441118) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:2808
#8  0xb2d9e01f in g_main_context_iterate (dispatch=1, block=1, context=0xa3b004e0, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3098
#9  g_main_context_iterate (context=0xa3b004e0, block=1, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
#10 0xb2d9e271 in g_main_context_iteration (context=0xa3b004e0, may_block=1) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3179
#11 0xb5b9f017 in QEventDispatcherGlib::processEvents (this=0xa3b00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0xb5b6ac3d in QEventLoop::processEvents (this=0xa4441240, flags=...) at kernel/qeventloop.cpp:149
#13 0xb5b6aed9 in QEventLoop::exec (this=0xa4441240, flags=...) at kernel/qeventloop.cpp:204
#14 0xb5a5494c in QThread::exec (this=0x93fbaa8) at thread/qthread.cpp:501
#15 0xb5b482dd in QInotifyFileSystemWatcherEngine::run (this=0x93fbaa8) at io/qfilesystemwatcher_inotify.cpp:248
#16 0xb5a57de0 in QThreadPrivate::start (arg=0x93fbaa8) at thread/qthread_unix.cpp:298
#17 0xb2f16d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#18 0xb75df76e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1b30740 (LWP 11466)):
[KCrash Handler]
#7  0x00000000 in ?? ()
#8  0xb7704f78 in MDWSlider::update (this=0x93f4bb8) at ../../kmix/gui/mdwslider.cpp:1001
#9  0xb76ffc23 in ViewDockAreaPopup::refreshVolumeLevels (this=0x93e6cc8) at ../../kmix/gui/viewdockareapopup.cpp:168
#10 0xb76fc913 in qt_static_metacall (_a=0xbf97f830, _id=3, _o=0x93e6cc8, _c=<optimized out>) at ./viewbase.moc:64
#11 ViewBase::qt_static_metacall (_o=0x93e6cc8, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbf97f830) at ./viewbase.moc:55
#12 0xb5b82de1 in QMetaObject::activate (sender=0x93a1550, m=0xb7740d48, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3547
#13 0xb771fc75 in Mixer::controlChanged (this=0x93a1550) at ./mixer.moc:117
#14 0xb5b82de1 in QMetaObject::activate (sender=0x93a7860, m=0xb773ec44, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#15 0xb76d4ea5 in Mixer_Backend::controlChanged (this=0x93a7860) at ./mixer_backend.moc:107
#16 0xb76d51a8 in Mixer_Backend::readSetFromHW (this=0x93a7860) at ../../kmix/backends/mixer_backend.cpp:155
#17 0xb76e212a in Mixer_PULSE::triggerUpdate (this=0x93a7860) at ../../kmix/backends/mixer_pulse.cpp:1286
#18 0xb76e647d in sink_cb (c=0x93a0cc0, i=0x0, eol=1) at ../../kmix/backends/mixer_pulse.cpp:191
#19 0xb6b0ab45 in context_get_sink_info_callback (pd=0x93ee0c8, command=2, tag=28, t=0x93d8248, userdata=0x93a32e0) at pulse/introspect.c:280
#20 0xb2ec9eed in run_action (pd=0x93ee0c8, r=0x939a3c8, command=2, ts=0x93d8248) at pulsecore/pdispatch.c:279
#21 0xb2eca2f0 in pa_pdispatch_run (pd=0x93ee0c8, packet=0x9406208, creds=0x93c8c28, userdata=0x93a0cc0) at pulsecore/pdispatch.c:331
#22 0xb6afea1d in pstream_packet_callback (p=0x93c8b60, packet=0x9406208, creds=0x93c8c28, userdata=0x93a0cc0) at pulse/context.c:335
#23 0xb2ecf8c3 in do_read (p=0x93c8b60) at pulsecore/pstream.c:809
#24 do_something (p=0x93c8b60) at pulsecore/pstream.c:177
#25 0xb2eb9c28 in callback (m=0x93a512c, e=0x93ba820, fd=16, f=3, userdata=0x93b3418) at pulsecore/iochannel.c:160
#26 0xb6aeda3a in dispatch_func (source=0x93a50f8, callback=0, userdata=0x0) at pulse/glib-mainloop.c:584
#27 0xb2d9dd8a in g_main_dispatch (context=0x90d2088) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:2510
#28 g_main_context_dispatch (context=0x90d2088) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3047
#29 0xb2d9e195 in g_main_context_iterate (dispatch=1, block=-1294288048, context=0x90d2088, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3118
#30 g_main_context_iterate (context=0x90d2088, block=-1294288048, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
#31 0xb2d9e271 in g_main_context_iteration (context=0x90d2088, may_block=1) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3179
#32 0xb5b9efb7 in QEventDispatcherGlib::processEvents (this=0x909cea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#33 0xb620e80a in QGuiEventDispatcherGlib::processEvents (this=0x909cea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0xb5b6ac3d in QEventLoop::processEvents (this=0xbf980364, flags=...) at kernel/qeventloop.cpp:149
#35 0xb5b6aed9 in QEventLoop::exec (this=0xbf980364, flags=...) at kernel/qeventloop.cpp:204
#36 0xb5b705ea in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#37 0xb61538c4 in QApplication::exec () at kernel/qapplication.cpp:3816
#38 0xb76ee79b in kdemain (argc=1, argv=0xbf9805c4) at ../../kmix/apps/main.cpp:76
#39 0x0804850b in main (argc=1, argv=0xbf9805c4) at kmix_dummy.cpp:3

This bug may be a duplicate of or related to bug 288441.

Possible duplicates by query: bug 288441.

Reported using DrKonqi