Application: kmix (3.6)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.34.7-61.fc13.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
This crash happened immediately after restarting the computer.  The only change since the previous boot was that I'd removed NetworkManager from all runlevels.

 -- Backtrace:
Application: KMix (kmix), signal: Aborted
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#5  0x00000030562329a5 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x0000003056234185 in abort () at abort.c:92
#7  0x000000305622b935 in __assert_fail (assertion=0x3066aafedb "dir != 0", file=<value optimized out>, line=366, function=<value optimized out>) at assert.c:81
#8  0x0000003066a3bd1f in snd_hctl_elem_add (hctl=0x1fc1d50) at hcontrol.c:366
#9  snd_hctl_handle_event (hctl=0x1fc1d50) at hcontrol.c:757
#10 snd_hctl_handle_events (hctl=0x1fc1d50) at hcontrol.c:793
#11 0x0000003066a45789 in snd_mixer_handle_events (mixer=0x1dce050) at mixer.c:847
#12 0x00007f67491e3e2c in Mixer_ALSA::prepareUpdateFromHW (this=0x203c420) at /usr/src/debug/kdemultimedia-4.4.5/kmix/mixer_alsa9.cpp:570
#13 0x00007f67491f5eb7 in Mixer_Backend::readSetFromHW (this=0x203c420) at /usr/src/debug/kdemultimedia-4.4.5/kmix/mixer_backend.cpp:103
#14 0x00007f67491f5a3d in Mixer_Backend::qt_metacall (this=0x203c420, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc7407cc0)
    at /usr/src/debug/kdemultimedia-4.4.5/x86_64-redhat-linux-gnu/kmix/mixer_backend.moc:82
#15 0x0000003060366a36 in QMetaObject::activate (sender=0x1fdde80, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffc7407cc0) at kernel/qobject.cpp:3295
#16 0x00000030603a9bde in QSocketNotifier::activated (this=<value optimized out>, _t1=12) at .moc/release-shared/moc_qsocketnotifier.cpp:89
#17 0x000000306036bcf3 in QSocketNotifier::event (this=0x1fdde80, e=0x7fffc7408370) at kernel/qsocketnotifier.cpp:317
#18 0x0000003062dab39c in QApplicationPrivate::notify_helper (this=0x1cecf60, receiver=0x1fdde80, e=0x7fffc7408370) at kernel/qapplication.cpp:4306
#19 0x0000003062db165b in QApplication::notify (this=<value optimized out>, receiver=0x1fdde80, e=0x7fffc7408370) at kernel/qapplication.cpp:4189
#20 0x0000003064a07016 in KApplication::notify (this=0x1cde5a0, receiver=0x1fdde80, event=0x7fffc7408370) at /usr/src/debug/kdelibs-4.4.5/kdeui/kernel/kapplication.cpp:302
#21 0x0000003060353ddc in QCoreApplication::notifyInternal (this=0x1cde5a0, receiver=0x1fdde80, event=0x7fffc7408370) at kernel/qcoreapplication.cpp:726
#22 0x0000003060379c1a in sendEvent (source=0x1cfc3f0) at kernel/qcoreapplication.h:215
#23 socketNotifierSourceDispatch (source=0x1cfc3f0) at kernel/qeventdispatcher_glib.cpp:110
#24 0x000000305a63bd02 in g_main_dispatch (context=0x1cfb520) at gmain.c:1960
#25 IA__g_main_context_dispatch (context=0x1cfb520) at gmain.c:2513
#26 0x000000305a63fae8 in g_main_context_iterate (context=0x1cfb520, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2591
#27 0x000000305a63fc9c in IA__g_main_context_iteration (context=0x1cfb520, may_block=1) at gmain.c:2654
#28 0x0000003060379863 in QEventDispatcherGlib::processEvents (this=0x1cc3dd0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#29 0x0000003062e4a84e in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x0000003060352822 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#31 0x0000003060352aec in QEventLoop::exec (this=0x7fffc74085d0, flags=...) at kernel/qeventloop.cpp:201
#32 0x00000030603561bb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#33 0x00007f67491ce9aa in kdemain (argc=1, argv=0x7fffc7408b58) at /usr/src/debug/kdemultimedia-4.4.5/kmix/main.cpp:72
#34 0x000000305621ec5d in __libc_start_main (main=0x400830 <main(int, char**)>, argc=1, ubp_av=0x7fffc7408b58, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fffc7408b48) at libc-start.c:226
#35 0x0000000000400769 in _start ()

Reported using DrKonqi