Bug 300652

Summary: KMix crashes when switching from bluetooth headset to internal audio device
Product: [Applications] kmix Reporter: Florian <floeschie>
Component: generalAssignee: Christian Esken <esken>
Status: RESOLVED DUPLICATE    
Severity: crash CC: adaptee
Priority: NOR    
Version: 4   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Florian 2012-05-26 11:04:28 UTC
Application: kmix (4)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.0.0-19-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

I was using Skype before I switched off my bluetooth headset. After I switched it off, Kmix crashed.

- Custom settings of the application:

I'm using the Gstreamer phonon backend, but VLC is installed as well. My bluetooth headset is a Sony Ericcsson MW600

The crash can be reproduced some of the time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f50404567a0 (LWP 17360))]

Thread 3 (Thread 0x7f5020f73700 (LWP 17465)):
#0  0x00007f5035e8f37a in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5035e69419 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f503cadd5a6 in QEventDispatcherGlib::processEvents (this=0x7f501c0008b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#3  0x00007f503caacd82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#4  0x00007f503caacfd7 in QEventLoop::exec (this=0x7f5020f72db0, flags=...) at kernel/qeventloop.cpp:204
#5  0x00007f503c9ac077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#6  0x00007f503ca8caff in QInotifyFileSystemWatcherEngine::run (this=0x16ebb70) at io/qfilesystemwatcher_inotify.cpp:248
#7  0x00007f503c9af09b in QThreadPrivate::start (arg=0x16ebb70) at thread/qthread_unix.cpp:298
#8  0x00007f50369d2efc in start_thread (arg=0x7f5020f73700) at pthread_create.c:304
#9  0x00007f503fd3c59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5017ffe700 (LWP 17532)):
#0  0x00007f503fd30473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5035e68f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5035e69429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f503cadd5a6 in QEventDispatcherGlib::processEvents (this=0x194b320, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f503caacd82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f503caacfd7 in QEventLoop::exec (this=0x7f5017ffddb0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f503c9ac077 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f503ca8caff in QInotifyFileSystemWatcherEngine::run (this=0x163ece0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f503c9af09b in QThreadPrivate::start (arg=0x163ece0) at thread/qthread_unix.cpp:298
#9  0x00007f50369d2efc in start_thread (arg=0x7f5017ffe700) at pthread_create.c:304
#10 0x00007f503fd3c59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f50404567a0 (LWP 17360)):
[KCrash Handler]
#6  0x00007f503cdfcd40 in typeinfo for QAbstractAnimationPrivate () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f504004f756 in MDWSlider::update (this=0x193bad0) at ../../kmix/gui/mdwslider.cpp:1001
#8  0x00007f504004b00b in ViewDockAreaPopup::refreshVolumeLevels (this=<optimized out>) at ../../kmix/gui/viewdockareapopup.cpp:168
#9  0x00007f5040048311 in ViewBase::qt_metacall (this=0x193ad20, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff6696fb90) at ./viewbase.moc:87
#10 0x00007f504004a9e0 in ViewDockAreaPopup::qt_metacall (this=0x193ad20, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff6696fb90) at ./viewdockareapopup.moc:73
#11 0x00007f503cac2589 in QMetaObject::activate (sender=0x18afff0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3566
#12 0x00007f50400670cc in Mixer::qt_metacall (this=0x18afff0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff6696fce0) at ./mixer.moc:82
#13 0x00007f503cac2589 in QMetaObject::activate (sender=0x18b0540, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3566
#14 0x00007f504002438c in Mixer_Backend::readSetFromHW (this=0x18b0540) at ../../kmix/backends/mixer_backend.cpp:155
#15 0x00007f5040034725 in sink_cb (c=<optimized out>, i=<optimized out>, eol=<optimized out>) at ../../kmix/backends/mixer_pulse.cpp:191
#16 0x00007f503e43cce4 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#17 0x00007f503638a5f3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so
#18 0x00007f503638a963 in pa_pdispatch_run () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so
#19 0x00007f503e432c1d in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#20 0x00007f503638f209 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.0.so
#21 0x00007f503e220b23 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#22 0x00007f5035e68a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f5035e69258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f5035e69429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f503cadd53f in QEventDispatcherGlib::processEvents (this=0x14d8ad0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#26 0x00007f503d7c44ee in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f503caacd82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f503caacfd7 in QEventLoop::exec (this=0x7fff669708b0, flags=...) at kernel/qeventloop.cpp:204
#29 0x00007f503cab2067 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#30 0x00007f504003bcc2 in kdemain (argc=3, argv=0x7fff66970e38) at ../../kmix/apps/main.cpp:76
#31 0x00007f503fc7a30d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=3, ubp_av=0x7fff66970e38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff66970e28) at libc-start.c:226
#32 0x0000000000400661 in _start ()

Possible duplicates by query: bug 300536, bug 299852, bug 298230, bug 297508, bug 288786.

Reported using DrKonqi
Comment 1 Jekyll Wu 2012-05-26 11:46:59 UTC

*** This bug has been marked as a duplicate of bug 290742 ***