Application: kmix (4)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.2.10-1.fc16.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
I used Amarok and listened to music, nothing special. 
The error occurs in many situations

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f70a1a11840 (LWP 3880))]

Thread 2 (Thread 0x7f708d599700 (LWP 3881)):
#0  0x000000352c6e85c3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00000032cfc45448 in g_main_context_poll (n_fds=1, fds=0x7f7088002400, priority=<optimized out>, timeout=-1, context=0x7f70880009a0) at gmain.c:3402
#2  g_main_context_iterate (context=0x7f70880009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3084
#3  0x00000032cfc4590c in g_main_context_iteration (context=0x7f70880009a0, may_block=1) at gmain.c:3152
#4  0x00000032d4da7dc6 in QEventDispatcherGlib::processEvents (this=0x7f70880008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00000032d4d78182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00000032d4d783d7 in QEventLoop::exec (this=0x7f708d598d10, flags=...) at kernel/qeventloop.cpp:204
#7  0x00000032d4c78b27 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00000032d4d57e7f in QInotifyFileSystemWatcherEngine::run (this=0x1122540) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00000032d4c7bb6b in QThreadPrivate::start (arg=0x1122540) at thread/qthread_unix.cpp:298
#10 0x000000352d207d90 in start_thread (arg=0x7f708d599700) at pthread_create.c:309
#11 0x000000352c6f0f5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f70a1a11840 (LWP 3880)):
[KCrash Handler]
#6  0x00007f70a3e95073 in MDWSlider::update (this=0x10f0a20) at /usr/src/debug/kdemultimedia-4.8.1/kmix/gui/mdwslider.cpp:1001
#7  0x00007f70a3e915db in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at /usr/src/debug/kdemultimedia-4.8.1/kmix/gui/viewdockareapopup.cpp:168
#8  0x00000032d4d8cce1 in QMetaObject::activate (sender=0x1083c80, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#9  0x00000032d4d8cce1 in QMetaObject::activate (sender=0x10955b0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007f70a3e6aa7c in Mixer_Backend::readSetFromHW (this=0x10955b0) at /usr/src/debug/kdemultimedia-4.8.1/kmix/backends/mixer_backend.cpp:155
#11 0x00007f70a3e7adf5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at /usr/src/debug/kdemultimedia-4.8.1/kmix/backends/mixer_pulse.cpp:191
#12 0x00000032e00156f0 in context_get_sink_info_callback (pd=<optimized out>, command=<optimized out>, tag=<optimized out>, t=0xfaf390, userdata=0xfedde0) at pulse/introspect.c:263
#13 0x00000032e0427223 in run_action (pd=0xf35450, r=0xfee370, command=2, ts=0xfaf390) at pulsecore/pdispatch.c:274
#14 0x00000032e0427593 in pa_pdispatch_run (pd=0xf35450, packet=<optimized out>, creds=0xf27200, userdata=0xff04b0) at pulsecore/pdispatch.c:326
#15 0x00000032e000ebfd in pstream_packet_callback (p=<optimized out>, packet=0xf9d060, creds=0xf27200, userdata=0xff04b0) at pulse/context.c:346
#16 0x00000032e042be39 in do_read (p=0xf270b0) at pulsecore/pstream.c:816
#17 do_something (p=0xf270b0) at pulsecore/pstream.c:184
#18 0x00000032e0801bd3 in dispatch_func (source=0xff0390, callback=<optimized out>, userdata=<optimized out>) at pulse/glib-mainloop.c:585
#19 0x00000032cfc44f3d in g_main_dispatch (context=0xd15ce0) at gmain.c:2441
#20 g_main_context_dispatch (context=0xd15ce0) at gmain.c:3011
#21 0x00000032cfc45738 in g_main_context_iterate (context=0xd15ce0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3089
#22 0x00000032cfc4590c in g_main_context_iteration (context=0xd15ce0, may_block=1) at gmain.c:3152
#23 0x00000032d4da7d5f in QEventDispatcherGlib::processEvents (this=0xcd83f0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#24 0x00000032d766c66e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#25 0x00000032d4d78182 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#26 0x00000032d4d783d7 in QEventLoop::exec (this=0x7fff77438de0, flags=...) at kernel/qeventloop.cpp:204
#27 0x00000032d4d7cdd5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#28 0x00007f70a3e82432 in kdemain (argc=1, argv=0x7fff77439368) at /usr/src/debug/kdemultimedia-4.8.1/kmix/apps/main.cpp:76
#29 0x000000352c62169d in __libc_start_main (main=0x400730 <main(int, char**)>, argc=1, ubp_av=0x7fff77439368, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff77439358) at libc-start.c:226
#30 0x0000000000400761 in _start ()

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

Possible duplicates by query: bug 296010, bug 295969, bug 295907, bug 295835, bug 295801.

Reported using DrKonqi