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:
While I'm using Audacious, when I choose a different song in a playlist,  kmix crashes.

The crash can be reproduced some of the time.

-- 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 0x7f54c88ae7c0 (LWP 3219))]

Thread 3 (Thread 0x7f54a6c05700 (LWP 3221)):
#0  __libc_enable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:66
#1  0x00007f54c8182ae8 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:85
#2  0x00007f54bdf8cff6 in g_main_context_poll (n_fds=1, fds=0x7f54a0002bc0, timeout=-1, context=0x7f54a00009c0, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
#3  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f54a00009c0, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
#4  g_main_context_iterate (context=0x7f54a00009c0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
#5  0x00007f54bdf8d124 in g_main_context_iteration (context=0x7f54a00009c0, may_block=1) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3184
#6  0x00007f54c4f08a96 in QEventDispatcherGlib::processEvents (this=0x7f54a00008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f54c4ed82f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f54c4ed8547 in QEventLoop::exec (this=0x7f54a6c04cd0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f54c4dd7f97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007f54c4eb806f in QInotifyFileSystemWatcherEngine::run (this=0x21553c0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f54c4ddafbb in QThreadPrivate::start (arg=0x21553c0) at thread/qthread_unix.cpp:298
#12 0x00007f54b9eaa354 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#13 0x00007f54beaf3e9a in start_thread (arg=0x7f54a6c05700) at pthread_create.c:308
#14 0x00007f54c818e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f54a61f9700 (LWP 3222)):
#0  0x00007f54c8182b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f54bdf8cff6 in g_main_context_poll (n_fds=1, fds=0x7f54940029c0, timeout=-1, context=0x7f54940009c0, priority=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3417
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7f54940009c0, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3118
#3  g_main_context_iterate (context=0x7f54940009c0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
#4  0x00007f54bdf8d124 in g_main_context_iteration (context=0x7f54940009c0, may_block=1) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3184
#5  0x00007f54c4f08a96 in QEventDispatcherGlib::processEvents (this=0x7f54940008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f54c4ed82f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f54c4ed8547 in QEventLoop::exec (this=0x7f54a61f8cd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f54c4dd7f97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f54c4eb806f in QInotifyFileSystemWatcherEngine::run (this=0x20e17f0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f54c4ddafbb in QThreadPrivate::start (arg=0x20e17f0) at thread/qthread_unix.cpp:298
#11 0x00007f54b9eaa354 in ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
#12 0x00007f54beaf3e9a in start_thread (arg=0x7f54a61f9700) at pthread_create.c:308
#13 0x00007f54c818e4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f54c88ae7c0 (LWP 3219)):
[KCrash Handler]
#6  0x00007f54c84aee23 in MDWSlider::update (this=0x23253d0) at ../../kmix/gui/mdwslider.cpp:1001
#7  0x00007f54c84aa64b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#8  0x00007f54c4eed8f1 in QMetaObject::activate (sender=0x22cd570, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#9  0x00007f54c4eed8f1 in QMetaObject::activate (sender=0x2152f70, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007f54c8483b0c in Mixer_Backend::readSetFromHW (this=0x2152f70) at ../../kmix/backends/mixer_backend.cpp:155
#11 0x00007f54c8493df5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#12 0x00007f54c686b944 in context_get_sink_info_callback (pd=<optimized out>, command=<optimized out>, tag=<optimized out>, t=0x2000360, userdata=0x21bb590) at pulse/introspect.c:280
#13 0x00007f54be4ab693 in run_action (pd=0x22d6e00, r=0x20e1b30, command=2, ts=0x2000360) at pulsecore/pdispatch.c:279
#14 0x00007f54be4aba03 in pa_pdispatch_run (pd=0x22d6e00, packet=<optimized out>, creds=0x230b4c0, userdata=0x2244620) at pulsecore/pdispatch.c:331
#15 0x00007f54c6861bdd in pstream_packet_callback (p=<optimized out>, packet=0x1f4d330, creds=0x230b4c0, userdata=0x2244620) at pulse/context.c:335
#16 0x00007f54be4b02a9 in do_read (p=0x230b370) at pulsecore/pstream.c:809
#17 do_something (p=0x230b370) at pulsecore/pstream.c:177
#18 0x00007f54c664fab3 in dispatch_func (source=0x225e360, callback=<optimized out>, userdata=<optimized out>) at pulse/glib-mainloop.c:584
#19 0x00007f54bdf8cc9a in g_main_dispatch (context=0x1d96e60) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:2515
#20 g_main_context_dispatch (context=0x1d96e60) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3052
#21 0x00007f54bdf8d060 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x1d96e60, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3123
#22 g_main_context_iterate (context=0x1d96e60, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
#23 0x00007f54bdf8d124 in g_main_context_iteration (context=0x1d96e60, may_block=1) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3184
#24 0x00007f54c4f08a2f in QEventDispatcherGlib::processEvents (this=0x1ce1ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#25 0x00007f54c5bf3b1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007f54c4ed82f2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007f54c4ed8547 in QEventLoop::exec (this=0x7fff2cb20b80, flags=...) at kernel/qeventloop.cpp:204
#28 0x00007f54c4edd5d7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#29 0x00007f54c849b3e2 in kdemain (argc=1, argv=0x7fff2cb21108) at ../../kmix/apps/main.cpp:76
#30 0x00007f54c80bd76d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fff2cb21108, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2cb210f8) at libc-start.c:226
#31 0x0000000000400661 in _start ()

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

Possible duplicates by query: bug 296863, bug 296842, bug 296815, bug 296809, bug 296754.

Reported using DrKonqi