288983 2011-12-14 17:06:12 +0000 Kmix hangs and eats 99% cpu when adjusting volume 2012-10-08 22:34:12 +0000 1 1 2 Applications kmix On-Screen-Display (OSD) 1 openSUSE Linux CLOSED DUPLICATE 288675 NOR normal --- 1 tommi.tervo esken vivo75+kde 1 oldest_to_newest 1199697 0 tommi.tervo 2011-12-14 17:06:12 +0000 Version: 0.9 (using Devel) OS: Linux Multimedia keys worked fine with KDE 4.7.2/3 but now with 4.7.90 (beta2) kmix starts to consume a lot of CPU and ODS slider hangs on the screen: (gdb) bt #0 0xb65ec17e in QCoreApplication::removePostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4 #1 0xb65ec5a3 in QCoreApplication::removePostedEvents(QObject*) () from /usr/lib/libQtCore.so.4 #2 0xb5b0b4fc in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4 #3 0xb5f2cddf in QFrame::~QFrame() () from /usr/lib/libQtGui.so.4 #4 0xb5f31290 in QLabel::~QLabel() () from /usr/lib/libQtGui.so.4 #5 0xb768faf3 in MDWSlider::createWidgets (this=0x85469c0, showMuteButton=true, showCaptureLED=true) at /usr/src/debug/kdemultimedia-4.7.90/kmix/gui/mdwslider.cpp:302 #6 0xb7690b6a in MDWSlider::MDWSlider (this=0x85469c0, md=0x81fada8, showMuteLED=true, showCaptureLED=true, small=false, orientation=Qt::Vertical, parent=0x825d580, view=0x825d580, par_ctl=0x8222e40) at /usr/src/debug/kdemultimedia-4.7.90/kmix/gui/mdwslider.cpp:78 #7 0xb7689eb2 in ViewSliders::add (this=0x825d580, md=0x81fada8) at /usr/src/debug/kdemultimedia-4.7.90/kmix/gui/viewsliders.cpp:133 #8 0xb7687547 in ViewBase::createDeviceWidgets (this=0x825d580) at /usr/src/debug/kdemultimedia-4.7.90/kmix/gui/viewbase.cpp:125 #9 0xb768733f in controlsReconfigured (mixer_ID=..., this=0x825d580) at /usr/src/debug/kdemultimedia-4.7.90/kmix/gui/viewbase.cpp:223 #10 ViewBase::controlsReconfigured (this=0x825d580, mixer_ID=...) at /usr/src/debug/kdemultimedia-4.7.90/kmix/gui/viewbase.cpp:215 #11 0xb7686062 in qt_static_metacall (_a=0xbfd2ee58, _id=3, _o=0x825d580, _c=<optimized out>) at /usr/src/debug/kdemultimedia-4.7.90/build/kmix/viewbase.moc:66 #12 ViewBase::qt_static_metacall (_o=0x825d580, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfd2ee58) at /usr/src/debug/kdemultimedia-4.7.90/build/kmix/viewbase.moc:57 #13 0xb65fe64f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 #14 0xb76a8f55 in Mixer::controlsReconfigured (this=0x821bba8, _t1=...) at /usr/src/debug/kdemultimedia-4.7.90/build/kmix/mixer.moc:124 #15 0xb65fe64f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 #16 0xb765f005 in Mixer_Backend::controlsReconfigured (this=0x8226850, _t1=...) at /usr/src/debug/kdemultimedia-4.7.90/build/kmix/mixer_backend.moc:114 #17 0xb65f9b81 in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4 #18 0xb6602cdb in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4 #19 0xb5ab7154 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #20 0xb5abc563 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #21 0xb7138171 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5 #22 0xb65e7dfe in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 #23 0xb65eba78 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4 #24 0xb65ebdac in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4 #25 0xb661a6a4 in ?? () from /usr/lib/libQtCore.so.4 #26 0xb2e7fe2f in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #27 0xb2e80560 in ?? () from /usr/lib/libglib-2.0.so.0 #28 0xb2e807fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #29 0xb661aa97 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #30 0xb5b6ad6a in ?? () from /usr/lib/libQtGui.so.4 #31 0xb65e696d in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #32 0xb65e6c09 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #33 0xb65ebe5a in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4 #34 0xb5ab4fc4 in QApplication::exec() () from /usr/lib/libQtGui.so.4 #35 0xb767794b in kdemain (argc=1, argv=0xbfd2f914) at /usr/src/debug/kdemultimedia-4.7.90/kmix/apps/main.cpp:75 #36 0x0804852b in main (argc=1, argv=0xbfd2f914) at /usr/src/debug/kdemultimedia-4.7.90/build/kmix/kmix_dummy.cpp:3 Reproducible: Always Steps to Reproduce: I was watching plasma active video with mplayer and tried to change volume level. Expected Results: No hangs OS: Linux (i686) release 3.1.0-1.2-default Compiler: gcc 1201551 1 vivo75+kde 2011-12-18 19:40:59 +0000 see also bug 288619 1204269 2 tommi.tervo 2011-12-23 17:24:16 +0000 *** This bug has been marked as a duplicate of bug 288675 ***