Bug 227421

Application: kmix (3.6-alpha2)
KDE Platform Version: 4.4.00 (KDE 4.4.0)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
"Decrease volume" multimedia key cases crash, using OSSv4
happens all the time, but scrolling on the tray icon works well. So WTF?

The crash can be reproduced every time.

 -- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
[KCrash Handler]
#5  0x00007ffff7bb07c2 in Mixer_OSS::writeVolumeToHW(QString const&, MixDevice*) () from /usr/lib/libkdeinit4_kmix.so
#6  0x00007ffff7b9ce39 in KMixWindow::increaseOrDecreaseVolume(bool) () from /usr/lib/libkdeinit4_kmix.so
#7  0x00007ffff7b9f58b in KMixWindow::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeinit4_kmix.so
#8  0x00007ffff58f44df in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#9  0x00007ffff4a834e2 in QAction::triggered(bool) () from /usr/lib/libQtGui.so.4
#10 0x00007ffff4a8555b in QAction::activate(QAction::ActionEvent) () from /usr/lib/libQtGui.so.4
#11 0x00007ffff6f7e154 in KGlobalAccelPrivate::_k_invokeAction(QStringList const&, long long) () from /usr/lib/libkdeui.so.5
#12 0x00007ffff6f833b4 in KGlobalAccel::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#13 0x00007ffff58f44df in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#14 0x00007ffff70829b4 in OrgKdeKGlobalAccelInterface::invokeAction(QStringList const&, long long) () from /usr/lib/libkdeui.so.5
#15 0x00007ffff7082ce3 in OrgKdeKGlobalAccelInterface::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#16 0x00007ffff5c17791 in ?? () from /usr/lib/libQtDBus.so.4
#17 0x00007ffff5c221af in ?? () from /usr/lib/libQtDBus.so.4
#18 0x00007ffff58f1419 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#19 0x00007ffff4a895ec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#20 0x00007ffff4a8fbdb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0x00007ffff6f2bcd6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#22 0x00007ffff58e179c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#23 0x00007ffff58e3f17 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#24 0x00007ffff590b0d3 in ?? () from /usr/lib/libQtCore.so.4
#25 0x00007fffef43126e in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#26 0x00007fffef434c28 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#27 0x00007fffef434d50 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#28 0x00007ffff590ac13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#29 0x00007ffff4b37d6e in ?? () from /usr/lib/libQtGui.so.4
#30 0x00007ffff58e00c2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#31 0x00007ffff58e049c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#32 0x00007ffff58e41db in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#33 0x00007ffff7b9c752 in kdemain () from /usr/lib/libkdeinit4_kmix.so
#34 0x00007ffff7843b6d in __libc_start_main () from /lib/libc.so.6
#35 0x00000000004005c9 in _start ()

This bug may be a duplicate of or related to bug 212944.

Possible duplicates by query: bug 213670, bug 213601, bug 212944.

Reported using DrKonqi