Application: kmix (4)
KDE Platform Version: 4.8.1 (4.8.1)
Qt Version: 4.8.0
Operating System: Linux 3.2.0-19-generic x86_64
Distribution: Ubuntu precise (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
i was trying to play some music. not sure whether pulseaudio might be a culprit as well?

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 0x7f8aedc96780 (LWP 2364))]

Thread 2 (Thread 0x7f8acab37700 (LWP 2366)):
#0  0x00007f8aed57734d in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f8ae33bf74f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8ae3384bfd in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8ae33850d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8ae3385264 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8aea300a76 in QEventDispatcherGlib::processEvents (this=0x7f8ac40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f8aea2d02d2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f8aea2d0527 in QEventLoop::exec (this=0x7f8acab36dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f8aea1cff97 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f8aea2b006f in QInotifyFileSystemWatcherEngine::run (this=0x11e9290) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f8aea1d2fbb in QThreadPrivate::start (arg=0x11e9290) at thread/qthread_unix.cpp:298
#11 0x00007f8ae3eebe9a in start_thread (arg=0x7f8acab37700) at pthread_create.c:308
#12 0x00007f8aed58474d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8aedc96780 (LWP 2364)):
[KCrash Handler]
#6  0x0000000001587bf0 in ?? ()
#7  0x00007f8aed8a4e26 in MDWSlider::update (this=0x15d49f0) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007f8aed8a064b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007f8aea2e58d1 in QMetaObject::activate (sender=0x1436520, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#10 0x00007f8aea2e58d1 in QMetaObject::activate (sender=0x1481a90, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#11 0x00007f8aed879b0c in Mixer_Backend::readSetFromHW (this=0x1481a90) at ../../kmix/backends/mixer_backend.cpp:155
#12 0x00007f8aed889df5 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#13 0x00007f8aebc63944 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#14 0x00007f8ae38a3693 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#15 0x00007f8ae38a3a03 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#16 0x00007f8aebc59bdd in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007f8ae38a82a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#18 0x00007f8aeba47ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#19 0x00007f8ae3384dda in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f8ae33851a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f8ae3385264 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f8aea300a0f in QEventDispatcherGlib::processEvents (this=0x1003ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007f8aeafebaae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007f8aea2d02d2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f8aea2d0527 in QEventLoop::exec (this=0x7fffd4b966c0, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f8aea2d55b7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#27 0x00007f8aed8913e2 in kdemain (argc=3, argv=0x7fffd4b96c48) at ../../kmix/apps/main.cpp:76
#28 0x00007f8aed4b576d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fffd4b96c48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd4b96c38) at libc-start.c:226
#29 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 296355.

Possible duplicates by query: bug 296355, bug 296345, bug 296341, bug 296322, bug 296269.

Reported using DrKonqi