Application: kmix (4.5)
KDE Platform Version: 4.14.7
Qt Version: 4.8.6
Operating System: Linux 3.19.8-100.fc20.i686+PAE i686
Distribution: "Fedora release 20 (Heisenbug)"

-- Information about the crash:
When starting up the computer, after the login, the image freezes and the menus never appear.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[KCrash Handler]
#7  QVector<QGridLayoutItem*>::resize (this=this@entry=0x9bd8f44, asize=1) at ../../src/corelib/tools/qvector.h:342
#8  0x4b18f67c in QGridLayoutEngine::maybeExpandGrid (this=0x9bd8f44, row=<optimized out>, column=<optimized out>, orientation=Qt::Horizontal) at graphicsview/qgridlayoutengine.cpp:1319
#9  0x4b19483e in QGridLayoutEngine::insertOrRemoveRows (this=this@entry=0x9bd8f44, row=<optimized out>, row@entry=0, delta=<optimized out>, delta@entry=1, orientation=Qt::Horizontal) at graphicsview/qgridlayoutengine.cpp:1367
#10 0x4b13f27a in insertRow (orientation=<optimized out>, row=0, this=0x9bd8f44) at graphicsview/qgridlayoutengine_p.h:381
#11 QGraphicsLinearLayout::insertItem (this=this@entry=0x9bdaaf8, index=0, index@entry=-1, item=0x9b5dd80) at graphicsview/qgraphicslinearlayout.cpp:282
#12 0x4991b0ac in addItem (item=<optimized out>, this=0x9bdaaf8) at /usr/include/QtGui/qgraphicslinearlayout.h:68
#13 OSDWidget::OSDWidget (this=0x9b62df8, parent=0x0) at /usr/src/debug/kmix-4.14.3/gui/osdwidget.cpp:83
#14 0x498e97b8 in KMixWindow::initActions (this=0x9b51488) at /usr/src/debug/kmix-4.14.3/apps/kmix.cpp:252
#15 0x498f1ce5 in KMixWindow::KMixWindow (this=0x9b51488, invisible=false, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/kmix-4.14.3/apps/kmix.cpp:87
#16 0x498f3386 in KMixApp::newInstance (this=0x9a4ab48) at /usr/src/debug/kmix-4.14.3/apps/KMixApp.cpp:112
#17 0x49362040 in KUniqueApplicationAdaptor::newInstance (this=this@entry=0x9adac40, asn_id=..., args=...) at /usr/src/debug/kdelibs-4.14.7/kdeui/kernel/kuniqueapplication.cpp:442
#18 0x49362106 in KUniqueApplicationAdaptor::qt_static_metacall (_o=_o@entry=0x9adac40, _id=_id@entry=0, _a=_a@entry=0xbfaec76c, _c=QMetaObject::InvokeMetaMethod) at /usr/src/debug/kdelibs-4.14.7/i686-redhat-linux-gnu/kdeui/kuniqueapplication_p.moc:57
#19 0x49362394 in qt_static_metacall (_a=0xbfaec76c, _id=0, _c=QMetaObject::InvokeMetaMethod, _o=0x9adac40) at /usr/src/debug/kdelibs-4.14.7/i686-redhat-linux-gnu/kdeui/kuniqueapplication_p.moc:100
#20 KUniqueApplicationAdaptor::qt_metacall (this=0x9adac40, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfaec76c) at /usr/src/debug/kdelibs-4.14.7/i686-redhat-linux-gnu/kdeui/kuniqueapplication_p.moc:101
#21 0x48779eee in QDBusConnectionPrivate::deliverCall (this=this@entry=0x9a46278, object=object@entry=0x9adac40, msg=..., metaTypes=..., slotIdx=4) at qdbusintegrator.cpp:951
#22 0x4877b22a in QDBusConnectionPrivate::activateCall (this=0x9a46278, object=0x9adac40, flags=337, msg=...) at qdbusintegrator.cpp:856
#23 0x4877b9c1 in QDBusConnectionPrivate::activateObject (this=0x9a46278, node=..., msg=..., pathStartPos=16) at qdbusintegrator.cpp:1427
#24 0x4877bdc9 in QDBusActivateObjectEvent::placeMetaCall (this=0x9b52928) at qdbusintegrator.cpp:1541
#25 0x4897e8fb in QObject::event (this=this@entry=0x9a4ab48, e=e@entry=0x9b52928) at kernel/qobject.cpp:1222
#26 0x48968e9b in QCoreApplication::event (this=0x9a4ab48, e=0x9b52928) at kernel/qcoreapplication.cpp:1765
#27 0x4aa94354 in QApplication::event (this=0x9a4ab48, e=0x9b52928) at kernel/qapplication.cpp:2544
#28 0x4aa8eb84 in QApplicationPrivate::notify_helper (this=0x9a5deb0, receiver=0x9a4ab48, e=0x9b52928) at kernel/qapplication.cpp:4565
#29 0x4aa95ab9 in QApplication::notify (this=0x9a4ab48, receiver=0x9a4ab48, e=e@entry=0x9b52928) at kernel/qapplication.cpp:4351
#30 0x49359b30 in KApplication::notify (this=0x9a4ab48, receiver=0x9a4ab48, event=0x9b52928) at /usr/src/debug/kdelibs-4.14.7/kdeui/kernel/kapplication.cpp:311
#31 0x48964286 in QCoreApplication::notifyInternal (this=0x9a4ab48, receiver=receiver@entry=0x9a4ab48, event=event@entry=0x9b52928) at kernel/qcoreapplication.cpp:953
#32 0x489677ca in sendEvent (event=0x9b52928, receiver=0x9a4ab48) at kernel/qcoreapplication.h:231
#33 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x9a182a8) at kernel/qcoreapplication.cpp:1577
#34 0x48967ccd in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#35 0x4899676a in sendPostedEvents () at kernel/qcoreapplication.h:236
#36 postEventSourceDispatch (s=s@entry=0x9a59580) at kernel/qeventdispatcher_glib.cpp:300
#37 0x4273a556 in g_main_dispatch (context=0x9a5d628) at gmain.c:3066
#38 g_main_context_dispatch (context=context@entry=0x9a5d628) at gmain.c:3642
#39 0x4273a920 in g_main_context_iterate (context=context@entry=0x9a5d628, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3713
#40 0x4273a9e9 in g_main_context_iteration (context=0x9a5d628, may_block=1) at gmain.c:3774
#41 0x48995e04 in QEventDispatcherGlib::processEvents (this=this@entry=0x9a19040, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#42 0x4ab4530c in QGuiEventDispatcherGlib::processEvents (this=0x9a19040, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#43 0x48962b20 in QEventLoop::processEvents (this=this@entry=0xbfaecf84, flags=...) at kernel/qeventloop.cpp:149
#44 0x48962eb1 in QEventLoop::exec (this=this@entry=0xbfaecf84, flags=...) at kernel/qeventloop.cpp:204
#45 0x48968cdb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#46 0x4aa8cea5 in QApplication::exec () at kernel/qapplication.cpp:3823
#47 0x498e82fb in kdemain (argc=1, argv=0xbfaed124) at /usr/src/debug/kmix-4.14.3/apps/main.cpp:76
#48 0x0804868c in main (argc=1, argv=0xbfaed124) at /usr/src/debug/kmix-4.14.3/i686-redhat-linux-gnu/kmix_dummy.cpp:3

Reported using DrKonqi