Bug 297276

Application: kmix (4)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.3.0-8.fc17.x86_64 x86_64
Distribution: "Fedora release 17 (Beefy Miracle)"

-- Information about the crash:
- What I was doing when the application crashed:
Changing audio profile in Audio Hardware Setup, changed from analog to HDMI and kmix crashed

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 0x7fc5a79f6880 (LWP 2742))]

Thread 2 (Thread 0x7fc592302700 (LWP 2743)):
#0  0x0000003cdf4e8e4f in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003ce2047974 in g_main_context_poll (n_fds=1, fds=0x7fc58c002bb0, timeout=-1, context=0x7fc58c0009a0, priority=<optimized out>) at gmain.c:3417
#2  g_main_context_iterate (context=context@entry=0x7fc58c0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3118
#3  0x0000003ce2047a94 in g_main_context_iteration (context=0x7fc58c0009a0, may_block=1) at gmain.c:3184
#4  0x0000003ce89a2976 in QEventDispatcherGlib::processEvents (this=0x7fc58c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003ce897382f in QEventLoop::processEvents (this=this@entry=0x7fc592301cf0, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003ce8973ab8 in QEventLoop::exec (this=0x7fc592301cf0, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003ce8878588 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x0000003ce895467f in QInotifyFileSystemWatcherEngine::run (this=0x1057230) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x0000003ce887b4cb in QThreadPrivate::start (arg=0x1057230) at thread/qthread_unix.cpp:298
#10 0x0000003ce0007d14 in start_thread (arg=0x7fc592302700) at pthread_create.c:309
#11 0x0000003cdf4f18fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7fc5a79f6880 (LWP 2742)):
[KCrash Handler]
#6  0x0000000000f82a00 in ?? ()
#7  0x0000003f2b4524f6 in MDWSlider::update (this=0xfbb880) at /usr/src/debug/kdemultimedia-4.8.1/kmix/gui/mdwslider.cpp:1001
#8  0x0000003f2b44e5a3 in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at /usr/src/debug/kdemultimedia-4.8.1/kmix/gui/viewdockareapopup.cpp:168
#9  0x0000003ce8989c0f in QMetaObject::activate (sender=0xeda270, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x0000003ce8989c0f in QMetaObject::activate (sender=0xee31e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#11 0x0000003f2b42a73d in Mixer_Backend::readSetFromHW (this=0xee31e0) at /usr/src/debug/kdemultimedia-4.8.1/kmix/backends/mixer_backend.cpp:155
#12 0x0000003f2b437f50 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
#13 0x0000003cf7619df1 in context_get_sink_info_callback (pd=pd@entry=0xda6450, command=command@entry=2, tag=<optimized out>, t=t@entry=0xf444d0, userdata=userdata@entry=0xee0210) at pulse/introspect.c:272
#14 0x0000003cf7230c96 in run_action (pd=0xda6450, r=0xee0f70, command=2, ts=0xf444d0) at pulsecore/pdispatch.c:279
#15 0x0000003cf723101b in pa_pdispatch_run (pd=0xda6450, packet=packet@entry=0xf898f0, creds=creds@entry=0xfb1560, userdata=userdata@entry=0xee02b0) at pulsecore/pdispatch.c:331
#16 0x0000003cf760fded in pstream_packet_callback (p=<optimized out>, packet=0xf898f0, creds=0xfb1560, userdata=0xee02b0) at pulse/context.c:335
#17 0x0000003cf723583b in do_read (p=0xfb1410) at pulsecore/pstream.c:809
#18 do_something (p=0xfb1410) at pulsecore/pstream.c:177
#19 0x0000003cf8601c47 in dispatch_func (source=source@entry=0xee4400, callback=<optimized out>, userdata=<optimized out>) at pulse/glib-mainloop.c:584
#20 0x0000003ce20475bc in g_main_dispatch (context=0xb981f0) at gmain.c:2515
#21 g_main_context_dispatch (context=context@entry=0xb981f0) at gmain.c:3052
#22 0x0000003ce20479d8 in g_main_context_iterate (context=context@entry=0xb981f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3123
#23 0x0000003ce2047a94 in g_main_context_iteration (context=0xb981f0, may_block=1) at gmain.c:3184
#24 0x0000003ce89a2956 in QEventDispatcherGlib::processEvents (this=0xb623d0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#25 0x0000003f27269c0e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#26 0x0000003ce897382f in QEventLoop::processEvents (this=this@entry=0x7fff755a41e0, flags=...) at kernel/qeventloop.cpp:149
#27 0x0000003ce8973ab8 in QEventLoop::exec (this=0x7fff755a41e0, flags=...) at kernel/qeventloop.cpp:204
#28 0x0000003ce89782fc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#29 0x0000003f2b43feda in kdemain (argc=5, argv=0x7fff755a4428) at /usr/src/debug/kdemultimedia-4.8.1/kmix/apps/main.cpp:76
#30 0x0000003cdf421735 in __libc_start_main (main=0x400790 <main(int, char**)>, argc=5, ubp_av=0x7fff755a4428, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff755a4418) at libc-start.c:226
#31 0x00000000004007c1 in _start ()

Possible duplicates by query: bug 297155, bug 297125, bug 297096, bug 297087, bug 297077.

Reported using DrKonqi