Application: kmix (3.6-alpha2)
KDE Platform Version: 4.4.1 (KDE 4.4.1) (Compiled from sources)
Qt Version: 4.6.2
Operating System: Linux 2.6.31-20-generic i686
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
When I tried to open the Mixer window from the systray icon, KMixer crashed. Prior to this crash I had just plugged in a USB headset.
When restarting kmix, the mixer window appeared as expected, with tabs for my sound card and the USB headset

 -- Backtrace:
Application: KMix (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb788f760 (LWP 28017))]

Thread 2 (Thread 0xaa995b70 (LWP 28028)):
#0  0x04f2de16 in clock_gettime () from /lib/tls/i686/cmov/librt.so.1
#1  0x0104e68b in qt_gettime () at kernel/qcore_unix.cpp:111
#2  0x010537b5 in QTimerInfoList::updateCurrentTime (this=0x8c31a34) at kernel/qeventdispatcher_unix.cpp:340
#3  0x010537fa in QTimerInfoList::timerWait (this=0x8c31a34, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#4  0x010517a8 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xaa99507c) at kernel/qeventdispatcher_glib.cpp:136
#5  0x01051835 in timerSourcePrepare (source=0x0, timeout=0x4f31ff4) at kernel/qeventdispatcher_glib.cpp:169
#6  0x06d3887a in IA__g_main_context_prepare (context=0x8c31290, priority=0xaa9950fc) at /build/buildd/glib2.0-2.23.5/glib/gmain.c:2280
#7  0x06d38c99 in g_main_context_iterate (context=0x8c31290, block=<value optimized out>, dispatch=1, self=0x8c05bb0) at /build/buildd/glib2.0-2.23.5/glib/gmain.c:2571
#8  0x06d39268 in IA__g_main_context_iteration (context=0x8c31290, may_block=1) at /build/buildd/glib2.0-2.23.5/glib/gmain.c:2654
#9  0x0105159f in QEventDispatcherGlib::processEvents (this=0x8b25e28, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#10 0x01023ff9 in QEventLoop::processEvents (this=0xaa995240, flags=) at kernel/qeventloop.cpp:149
#11 0x0102444a in QEventLoop::exec (this=0xaa995240, flags=...) at kernel/qeventloop.cpp:201
#12 0x00f205a8 in QThread::exec (this=0x8c58808) at thread/qthread.cpp:487
#13 0x01003bcb in QInotifyFileSystemWatcherEngine::run (this=0x8c58808) at io/qfilesystemwatcher_inotify.cpp:248
#14 0x00f2332e in QThreadPrivate::start (arg=0x8c58808) at thread/qthread_unix.cpp:248
#15 0x0011596e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#16 0x063f092e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb788f760 (LWP 28017)):
[KCrash Handler]
#6  0x0298563c in QWidget::maximumSize (this=0x8cfc548) at kernel/qwidget.cpp:3528
#7  0x02dd63a4 in QMenuPrivate::updateActionRects (this=0x8cfc300) at widgets/qmenu.cpp:307
#8  0x02ddd125 in QMenu::event (this=0x8c433d0, e=0xbfc85fa8) at widgets/qmenu.cpp:2394
#9  0x029354dc in QApplicationPrivate::notify_helper (this=0x8a45598, receiver=0x8c433d0, e=0xbfc85fa8) at kernel/qapplication.cpp:4300
#10 0x0293c0f9 in QApplication::notify (this=0x8a44bc8, receiver=0x8c433d0, e=0xbfc85fa8) at kernel/qapplication.cpp:4265
#11 0x00898efa in KApplication::notify (this=0x8a44bc8, receiver=0x8c433d0, event=0xbfc85fa8) at ../../kdeui/kernel/kapplication.cpp:302
#12 0x010259db in QCoreApplication::notifyInternal (this=0x8a44bc8, receiver=0x8c433d0, event=0xbfc85fa8) at kernel/qcoreapplication.cpp:704
#13 0x029926a9 in QCoreApplication::sendEvent (this=0x8cfc300, recursive=true, disableUpdates=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#14 QWidgetPrivate::sendPendingMoveAndResizeEvents (this=0x8cfc300, recursive=true, disableUpdates=true) at kernel/qwidget.cpp:7086
#15 0x02992617 in QWidgetPrivate::sendPendingMoveAndResizeEvents (this=0x8a82fb0, recursive=true, disableUpdates=true) at kernel/qwidget.cpp:7098
#16 0x02998411 in QWidgetPrivate::prepareToRender (this=0x8d77ae0, region=..., renderFlags=...) at kernel/qwidget.cpp:5163
#17 0x0299d8bd in QWidget::render (this=0x8d76b10, target=0xbfc86264, targetOffset=..., sourceRegion=..., renderFlags=...) at kernel/qwidget.cpp:4871
#18 0x017b99ed in Oxygen::TransitionWidget::grabWidget (this=0x8d993f0, pixmap=..., widget=0x8d76b10, rect=...) at ../../../kstyles/oxygen/transitions/oxygentransitionwidget.cpp:228
#19 0x017ba1f9 in Oxygen::TransitionWidget::grab (this=0x8d993f0, widget=0x8d76b10, rect=...) at ../../../kstyles/oxygen/transitions/oxygentransitionwidget.cpp:91
#20 0x017b12f5 in Oxygen::ComboBoxData::timerEvent (this=0x8cf9c68, event=0xbfc86800) at ../../../kstyles/oxygen/transitions/oxygencomboboxdata.cpp:97
#21 0x010361f4 in QObject::event (this=0x8cf9c68, e=0x0) at kernel/qobject.cpp:1212
#22 0x029354dc in QApplicationPrivate::notify_helper (this=0x8a45598, receiver=0x8cf9c68, e=0xbfc86800) at kernel/qapplication.cpp:4300
#23 0x0293c05e in QApplication::notify (this=0x8a44bc8, receiver=0x8cf9c68, e=0xbfc86800) at kernel/qapplication.cpp:3704
#24 0x00898efa in KApplication::notify (this=0x8a44bc8, receiver=0x8cf9c68, event=0xbfc86800) at ../../kdeui/kernel/kapplication.cpp:302
#25 0x010259db in QCoreApplication::notifyInternal (this=0x8a44bc8, receiver=0x8cf9c68, event=0xbfc86800) at kernel/qcoreapplication.cpp:704
#26 0x01054cf6 in QCoreApplication::sendEvent (this=0x8a48534) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#27 QTimerInfoList::activateTimers (this=0x8a48534) at kernel/qeventdispatcher_unix.cpp:603
#28 0x01051874 in timerSourceDispatch (source=0x8a48500) at kernel/qeventdispatcher_glib.cpp:184
#29 0x06d35395 in g_main_dispatch (context=0x8a48080) at /build/buildd/glib2.0-2.23.5/glib/gmain.c:1960
#30 IA__g_main_context_dispatch (context=0x8a48080) at /build/buildd/glib2.0-2.23.5/glib/gmain.c:2513
#31 0x06d39088 in g_main_context_iterate (context=0x8a48080, block=<value optimized out>, dispatch=1, self=0x8a44ba0) at /build/buildd/glib2.0-2.23.5/glib/gmain.c:2591
#32 0x06d39268 in IA__g_main_context_iteration (context=0x8a48080, may_block=1) at /build/buildd/glib2.0-2.23.5/glib/gmain.c:2654
#33 0x01051565 in QEventDispatcherGlib::processEvents (this=0x89ffbc8, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#34 0x029f4f65 in QGuiEventDispatcherGlib::processEvents (this=0x89ffbc8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x01023ff9 in QEventLoop::processEvents (this=0xbfc86ac4, flags=) at kernel/qeventloop.cpp:149
#36 0x0102444a in QEventLoop::exec (this=0xbfc86ac4, flags=...) at kernel/qeventloop.cpp:201
#37 0x0102863f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#38 0x02935577 in QApplication::exec () at kernel/qapplication.cpp:3579
#39 0x0701e053 in kdemain () from /usr/lib/libkdeinit4_kmix.so
#40 0x0804e037 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x8a37733 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051465 "0") at ../../kinit/kinit.cpp:717
#41 0x0804ec55 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#42 0x0804f193 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1402
#43 0x0804fe7f in main (argc=4, argv=0xbfc875d4, envp=0xbfc875e8) at ../../kinit/kinit.cpp:1841

This bug may be a duplicate of or related to bug 220621.

Possible duplicates by query: bug 229871, bug 227542, bug 220621.

Reported using DrKonqi