Application: kmix (3.9-plus)
KDE Platform Version: 4.7.90 (4.8 Beta2 (4.7.90)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-15-generic x86_64
Distribution: Ubuntu 11.10

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

It has happened to me twice so far. Each time I close Kaffeine, kmix crashes. Currently using Kubuntu 11.10 KDE 4.8 Beta2 (4.7.90)

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ff267f947c0 (LWP 4153))]

Thread 3 (Thread 0x7ff24714c700 (LWP 4154)):
#0  0x00007ff26787c773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff25da00f68 in g_main_context_poll (n_fds=1, fds=0x1e0c660, timeout=-1, context=0x1d64a40, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
#2  g_main_context_iterate (context=0x1d64a40, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
#3  0x00007ff25da01429 in g_main_context_iteration (context=0x1d64a40, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3152
#4  0x00007ff264638f3e in QEventDispatcherGlib::processEvents (this=0x1db09c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007ff26460ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007ff26460cef7 in QEventLoop::exec (this=0x7ff24714bcd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007ff26452427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007ff2645efcbf in QInotifyFileSystemWatcherEngine::run (this=0x1e8a8c0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007ff264526d05 in QThreadPrivate::start (arg=0x1e8a8c0) at thread/qthread_unix.cpp:331
#10 0x00007ff25974525a in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#11 0x00007ff25e56aefc in start_thread (arg=0x7ff24714c700) at pthread_create.c:304
#12 0x00007ff26788889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff246740700 (LWP 4155)):
#0  0x00007ff25da005f2 in next_valid_source (source=0x0, context=0x1e47af0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2487
#1  g_main_context_check (context=0x1e47af0, max_priority=2147483647, fds=<optimized out>, n_fds=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2938
#2  0x00007ff25da00f82 in g_main_context_iterate (context=0x1e47af0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3086
#3  0x00007ff25da01429 in g_main_context_iteration (context=0x1e47af0, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3152
#4  0x00007ff264638f3e in QEventDispatcherGlib::processEvents (this=0x1e94ab0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007ff26460ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007ff26460cef7 in QEventLoop::exec (this=0x7ff24673fcd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007ff26452427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007ff2645efcbf in QInotifyFileSystemWatcherEngine::run (this=0x1c9b970) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007ff264526d05 in QThreadPrivate::start (arg=0x1c9b970) at thread/qthread_unix.cpp:331
#10 0x00007ff25974525a in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#11 0x00007ff25e56aefc in start_thread (arg=0x7ff246740700) at pthread_create.c:304
#12 0x00007ff26788889d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff267f947c0 (LWP 4153)):
[KCrash Handler]
#6  0x0000000001e59a60 in ?? ()
#7  0x00007ff267b9a7f6 in MDWSlider::update (this=0x1d047d0) at ../../kmix/gui/mdwslider.cpp:990
#8  0x00007ff267b960eb in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:159
#9  0x00007ff267b93111 in ViewBase::qt_metacall (this=0x1c953e0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff2458a7f0) at ./viewbase.moc:90
#10 0x00007ff267b95b08 in ViewDockAreaPopup::qt_metacall (this=0x1c953e0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=<optimized out>) at ./viewdockareapopup.moc:67
#11 0x00007ff264620eba in QMetaObject::activate (sender=0x1ca6c90, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#12 0x00007ff267bb1a8c in Mixer::qt_metacall (this=0x1ca6c90, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff2458a8d0) at ./mixer.moc:82
#13 0x00007ff264620eba in QMetaObject::activate (sender=0x1d3e7f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#14 0x00007ff267b702bc in Mixer_Backend::readSetFromHW (this=0x1d3e7f0) at ../../kmix/backends/mixer_backend.cpp:155
#15 0x00007ff267b7f545 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#16 0x00007ff265f87ce4 in context_get_sink_info_callback (pd=<optimized out>, command=<optimized out>, tag=<optimized out>, t=0x1de9620, userdata=0x1cecb20) at pulse/introspect.c:280
#17 0x00007ff25df225f3 in run_action (pd=0x1cf6b40, r=0x1caba20, command=2, ts=0x1de9620) at pulsecore/pdispatch.c:279
#18 0x00007ff25df22963 in pa_pdispatch_run (pd=0x1cf6b40, packet=<optimized out>, creds=0x1a18d80, userdata=0x1dfb330) at pulsecore/pdispatch.c:331
#19 0x00007ff265f7dc1d in pstream_packet_callback (p=<optimized out>, packet=0x20dcc00, creds=0x1a18d80, userdata=0x1dfb330) at pulse/context.c:335
#20 0x00007ff25df27209 in do_read (p=0x1a18c30) at pulsecore/pstream.c:809
#21 do_something (p=0x1a18c30) at pulsecore/pstream.c:177
#22 0x00007ff265d6bb23 in dispatch_func (source=0x1ce8250, callback=<optimized out>, userdata=<optimized out>) at pulse/glib-mainloop.c:584
#23 0x00007ff25da00a5d in g_main_dispatch (context=0x1a25a30) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
#24 g_main_context_dispatch (context=0x1a25a30) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
#25 0x00007ff25da01258 in g_main_context_iterate (context=0x1a25a30, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
#26 0x00007ff25da01429 in g_main_context_iteration (context=0x1a25a30, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3152
#27 0x00007ff264638ed6 in QEventDispatcherGlib::processEvents (this=0x19abf40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#28 0x00007ff26532f07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007ff26460ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007ff26460cef7 in QEventLoop::exec (this=0x7fff2458b490, flags=...) at kernel/qeventloop.cpp:201
#31 0x00007ff264611789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#32 0x00007ff267b86ae2 in kdemain (argc=1, argv=0x7fff2458ba18) at ../../kmix/apps/main.cpp:72
#33 0x00007ff2677c830d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff2458ba18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2458ba08) at libc-start.c:226
#34 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 285017.

Possible duplicates by query: bug 289727, bug 289216, bug 288786, bug 287535, bug 285017.

Reported using DrKonqi