Bug 298495

Application: kmix (4)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.0.0-17-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
Restarting KMix and it works normal. This crash hapens not every time.

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fafd784a7c0 (LWP 2156))]

Thread 3 (Thread 0x7fafb64c8700 (LWP 2159)):
#0  0x00007fafd7129473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fafcd261f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fafcd262429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fafd3ed65a6 in QEventDispatcherGlib::processEvents (this=0x25169b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fafd3ea5d82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fafd3ea5fd7 in QEventLoop::exec (this=0x7fafb64c7cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fafd3da5077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fafd3e85aff in QInotifyFileSystemWatcherEngine::run (this=0x2591a80) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fafd3da809b in QThreadPrivate::start (arg=0x2591a80) at thread/qthread_unix.cpp:298
#9  0x00007fafc91a9b74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fafcddcbefc in start_thread (arg=0x7fafb64c8700) at pthread_create.c:304
#11 0x00007fafd713559d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fafb1abb700 (LWP 2217)):
#0  0x00007fafd7129473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fafcd261f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fafcd262429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fafd3ed65a6 in QEventDispatcherGlib::processEvents (this=0x279a4f0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fafd3ea5d82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fafd3ea5fd7 in QEventLoop::exec (this=0x7fafb1abacd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fafd3da5077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fafd3e85aff in QInotifyFileSystemWatcherEngine::run (this=0x2799d00) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fafd3da809b in QThreadPrivate::start (arg=0x2799d00) at thread/qthread_unix.cpp:298
#9  0x00007fafc91a9b74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fafcddcbefc in start_thread (arg=0x7fafb1abb700) at pthread_create.c:304
#11 0x00007fafd713559d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fafd784a7c0 (LWP 2156)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007fafd7448756 in MDWSlider::update (this=0x2788170) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007fafd744400b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007fafd7441311 in ViewBase::qt_metacall (this=0x2786d40, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffa5d824f0) at ./viewbase.moc:87
#10 0x00007fafd74439e0 in ViewDockAreaPopup::qt_metacall (this=0x2786d40, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffa5d824f0) at ./viewdockareapopup.moc:73
#11 0x00007fafd3ebb589 in QMetaObject::activate (sender=0x26e67d0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3566
#12 0x00007fafd74600cc in Mixer::qt_metacall (this=0x26e67d0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffa5d82640) at ./mixer.moc:82
#13 0x00007fafd3ebb589 in QMetaObject::activate (sender=0x26e6d20, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3566
#14 0x00007fafd741d38c in Mixer_Backend::readSetFromHW (this=0x26e6d20) at ../../kmix/backends/mixer_backend.cpp:155
#15 0x00007fafd742d725 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#16 0x00007fafd5835ce4 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007fafcd7835f3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so
#18 0x00007fafcd783963 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so
#19 0x00007fafd582bc1d in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#20 0x00007fafcd788209 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so
#21 0x00007fafd5619b23 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#22 0x00007fafcd261a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fafcd262258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fafcd262429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fafd3ed653f in QEventDispatcherGlib::processEvents (this=0x21ccad0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#26 0x00007fafd4bbd4ee in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007fafd3ea5d82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007fafd3ea5fd7 in QEventLoop::exec (this=0x7fffa5d83210, flags=...) at kernel/qeventloop.cpp:204
#29 0x00007fafd3eab067 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#30 0x00007fafd7434cc2 in kdemain (argc=3, argv=0x7fffa5d83798) at ../../kmix/apps/main.cpp:76
#31 0x00007fafd707330d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fffa5d83798, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa5d83788) at libc-start.c:226
#32 0x0000000000400661 in _start ()

Possible duplicates by query: bug 298305, bug 298230, bug 298089, bug 297834, bug 297754.

Reported using DrKonqi