Bug 287626

Application: kmix (3.9)
KDE Platform Version: 4.7.2 (4.7.2) "release 5"
Qt Version: 4.7.4
Operating System: Linux 3.1.0-1.2-desktop i686
Distribution: "openSUSE 12.1 (i586)"

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

I plugged in my Philips PWC webcam which is equipped with microphone(which is handled as snd-usb-audio device). Then I opened KMix, switched between the tabs (for main audio-card and for webcam audio), exited from KMix, tried to open it again and It crashed.

- Custom settings of the application:
Linux epsilon 3.1.0-1.2-desktop #1 SMP PREEMPT Thu Nov 3 14:45:45 UTC 2011 (187dde0) i686 i686 i386 GNU/Linux
RPM packages from openSUSE 12.1

-- Backtrace:
Application: KMix (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb578d710 (LWP 2716))]

Thread 2 (Thread 0xab9f5b70 (LWP 2721)):
#0  0xb5abfc98 in clock_gettime () from /lib/librt.so.1
#1  0xb6d1dc35 in do_gettime (frac=0xab9f5020, sec=0xab9f5018) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb6df0206 in QTimerInfoList::updateCurrentTime (this=0x83500cc) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb6df056a in QTimerInfoList::timerWait (this=0x83500cc, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb6deedc3 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xab9f512c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb6deee5d in timerSourcePrepare (source=0x8350098, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb5a0644c in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#8  0xb5a07207 in ?? () from /usr/lib/libglib-2.0.so.0
#9  0xb5a077fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#10 0xb6def897 in QEventDispatcherGlib::processEvents (this=0x8266db8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb6dc044d in QEventLoop::processEvents (this=0xab9f52b0, flags=...) at kernel/qeventloop.cpp:149
#12 0xb6dc0691 in QEventLoop::exec (this=0xab9f52b0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb6cc375b in QThread::exec (this=0x824b278) at thread/qthread.cpp:498
#14 0xb6da108d in QInotifyFileSystemWatcherEngine::run (this=0x824b278) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb6cc6613 in QThreadPrivate::start (arg=0x824b278) at thread/qthread_unix.cpp:331
#16 0xb6c49a7d in start_thread () from /lib/libpthread.so.0
#17 0xb60128fe in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb578d710 (LWP 2716)):
[KCrash Handler]
#6  KMixWindow::saveAndCloseView (this=0x80e3038, idx=1) at /usr/src/debug/kdemultimedia-4.7.2/kmix/apps/kmix.cpp:719
#7  0xb1e388a2 in KMixWindow::qt_metacall (this=0x80e3038, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfa8fec8) at /usr/src/debug/kdemultimedia-4.7.2/build/kmix/kmix.moc:138
#8  0xb6dc77dd in metacall (argv=0xbfa8fec8, idx=71, cl=QMetaObject::InvokeMetaMethod, object=0x80e3038) at kernel/qmetaobject.cpp:237
#9  QMetaObject::metacall (object=0x80e3038, cl=QMetaObject::InvokeMetaMethod, idx=71, argv=0xbfa8fec8) at kernel/qmetaobject.cpp:232
#10 0xb6dd6710 in QMetaObject::activate (sender=0x830fe10, m=0xb6c2b0a4, local_signal_index=1, argv=0xbfa8fec8) at kernel/qobject.cpp:3287
#11 0xb67b2da5 in QTabWidget::tabCloseRequested (this=0x830fe10, _t1=1) at .moc/release-shared/moc_qtabwidget.cpp:207
#12 0xb67b3099 in QTabWidget::qt_metacall (this=0x830fe10, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbfa90018) at .moc/release-shared/moc_qtabwidget.cpp:134
#13 0xb760adb2 in KTabWidget::qt_metacall (this=0x830fe10, _c=QMetaObject::InvokeMetaMethod, _id=28, _a=0xbfa90018) at /usr/src/debug/kdelibs-4.7.2/build/kdeui/ktabwidget.moc:128
#14 0xb6dc77dd in metacall (argv=0xbfa90018, idx=28, cl=QMetaObject::InvokeMetaMethod, object=0x830fe10) at kernel/qmetaobject.cpp:237
#15 QMetaObject::metacall (object=0x830fe10, cl=QMetaObject::InvokeMetaMethod, idx=28, argv=0xbfa90018) at kernel/qmetaobject.cpp:232
#16 0xb6dd6710 in QMetaObject::activate (sender=0x80f3640, m=0xb6c2aeac, local_signal_index=1, argv=0xbfa90018) at kernel/qobject.cpp:3287
#17 0xb67a6c15 in QTabBar::tabCloseRequested (this=0x80f3640, _t1=1) at .moc/release-shared/moc_qtabbar.cpp:208
#18 0xb67a6cc6 in QTabBarPrivate::_q_closeTab (this=0x82bc620) at widgets/qtabbar.cpp:662
#19 0xb67aeffb in QTabBar::qt_metacall (this=0x80f3640, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbfa901d8) at .moc/release-shared/moc_qtabbar.cpp:141
#20 0xb76087f2 in KTabBar::qt_metacall (this=0x80f3640, _c=QMetaObject::InvokeMetaMethod, _id=34, _a=0xbfa901d8) at /usr/src/debug/kdelibs-4.7.2/build/kdeui/ktabbar.moc:93
#21 0xb6dc77dd in metacall (argv=0xbfa901d8, idx=34, cl=QMetaObject::InvokeMetaMethod, object=0x80f3640) at kernel/qmetaobject.cpp:237
#22 QMetaObject::metacall (object=0x80f3640, cl=QMetaObject::InvokeMetaMethod, idx=34, argv=0xbfa901d8) at kernel/qmetaobject.cpp:232
#23 0xb6dd6710 in QMetaObject::activate (sender=0x843e9f8, m=0xb6c36b08, local_signal_index=2, argv=0xbfa901d8) at kernel/qobject.cpp:3287
#24 0xb69f24cd in QAbstractButton::clicked (this=0x843e9f8, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#25 0xb66f01fd in QAbstractButtonPrivate::emitClicked (this=0x843f000) at widgets/qabstractbutton.cpp:546
#26 0xb66f185b in QAbstractButtonPrivate::click (this=0x843f000) at widgets/qabstractbutton.cpp:539
#27 0xb66f1b16 in QAbstractButton::mouseReleaseEvent (this=0x843e9f8, e=0xbfa90874) at widgets/qabstractbutton.cpp:1121
#28 0xb63372ef in QWidget::event (this=0x843e9f8, event=0xbfa90874) at kernel/qwidget.cpp:8295
#29 0xb66f0dc9 in QAbstractButton::event (this=0x843e9f8, e=0xbfa90874) at widgets/qabstractbutton.cpp:1080
#30 0xb62dcee4 in notify_helper (e=0xbfa90874, receiver=0x843e9f8, this=0x80ed2f8) at kernel/qapplication.cpp:4481
#31 QApplicationPrivate::notify_helper (this=0x80ed2f8, receiver=0x843e9f8, e=0xbfa90874) at kernel/qapplication.cpp:4453
#32 0xb62e2cfb in QApplication::notify (this=0x80ed2f8, receiver=0x843e9f8, e=0xbfa90874) at kernel/qapplication.cpp:4042
#33 0xb7505681 in KApplication::notify (this=0x80e34c8, receiver=0x843e9f8, event=0xbfa90874) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#34 0xb6dc142e in QCoreApplication::notifyInternal (this=0x80e34c8, receiver=0x843e9f8, event=0xbfa90874) at kernel/qcoreapplication.cpp:787
#35 0xb62ddea0 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:215
#36 QApplicationPrivate::sendMouseEvent (receiver=0x843e9f8, event=0xbfa90874, alienWidget=0x843e9f8, nativeWidget=0x80f3640, buttonDown=0xb6c3fc34, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3141
#37 0xb63671d4 in QETWidget::translateMouseEvent (this=0x80f3640, event=0xbfa90d2c) at kernel/qapplication_x11.cpp:4472
#38 0xb6365dae in QApplication::x11ProcessEvent (this=0x80e34c8, event=0xbfa90d2c) at kernel/qapplication_x11.cpp:3598
#39 0xb6390eac in x11EventSourceDispatch (s=0x80f01a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#40 0xb5a06e2f in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#41 0xb5a07560 in ?? () from /usr/lib/libglib-2.0.so.0
#42 0xb5a077fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#43 0xb6def837 in QEventDispatcherGlib::processEvents (this=0x80ecd80, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#44 0xb6390aaa in QGuiEventDispatcherGlib::processEvents (this=0x80ecd80, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#45 0xb6dc044d in QEventLoop::processEvents (this=0xbfa91034, flags=...) at kernel/qeventloop.cpp:149
#46 0xb6dc0691 in QEventLoop::exec (this=0xbfa91034, flags=...) at kernel/qeventloop.cpp:201
#47 0xb6dc4dea in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#48 0xb62dad64 in QApplication::exec () at kernel/qapplication.cpp:3755
#49 0xb1e2fdfb in kdemain (argc=3, argv=0x80da780) at /usr/src/debug/kdemultimedia-4.7.2/kmix/apps/main.cpp:76
#50 0x0804fbcd in _start ()

Possible duplicates by query: bug 287404, bug 280010.

Reported using DrKonqi