Application: kmix (3.6-alpha2)
KDE Platform Version: 4.4.1 (KDE 4.4.1)
Qt Version: 4.6.2
Operating System: Linux 2.6.31-20-generic x86_64
Distribution: Ubuntu 9.10

-- Information about the crash:
When I open nvidia-settings (a nvidia control panel) and i change from one screen to two screens. kmix crash. 

I change from one to two screens frequently and this is the fist time that it ocurrs.

Sorry for my english.

 -- Backtrace:
Application: KMix (kdeinit4), signal: Bus error
The current source language is "auto; currently c".
[KCrash Handler]
#5  0x00007f378b163780 in KPixmapCache::Private::mmapFile (this=0xd98f50, filename=..., info=0xd98fa0, newsize=33656832) at ../../kdeui/util/kpixmapcache.cpp:491
#6  0x00007f378b165084 in KPixmapCache::Private::mmapFiles (this=0xd98f50) at ../../kdeui/util/kpixmapcache.cpp:419
#7  0x00007f378b164ea3 in KPixmapCache::Private::init (this=0xd98f50) at ../../kdeui/util/kpixmapcache.cpp:1061
#8  0x00007f378b16691d in KPixmapCache::discard (this=0xd50d50) at ../../kdeui/util/kpixmapcache.cpp:1279
#9  0x00007f378b167008 in KPixmapCache::deleteCache (name=...) at ../../kdeui/util/kpixmapcache.cpp:1255
#10 0x00007f3782af220d in Plasma::ThemePrivate::discardCache (this=0xdb07a0) at ../../plasma/theme.cpp:221
#11 0x00007f3782af266d in Plasma::ThemePrivate::compositingChanged (this=0xdb07a0) at ../../plasma/theme.cpp:213
#12 0x00007f3782af83a2 in Plasma::Theme::qt_metacall (this=0xdb06e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff70fb9620) at ./theme.moc:108
#13 0x00007f378abaec0f in QMetaObject::activate (sender=0xd80f20, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7f378a820110) at kernel/qobject.cpp:3293
#14 0x00007f378b15d57d in KSelectionWatcher::Private::x11Event (this=<value optimized out>, ev_P=0x0) at ../../kdeui/util/kmanagerselection.cpp:395
#15 0x00007f378b0e3556 in KAppX11HackWidget::publicx11Event (this=<value optimized out>, _event=0x7fff70fb9cf0) at ../../kdeui/kernel/kapplication.cpp:903
#16 KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fff70fb9cf0) at ../../kdeui/kernel/kapplication.cpp:953
#17 0x00007f3789daf3b1 in qt_x11EventFilter (ev=0x7fff70fb9cf0) at kernel/qapplication_x11.cpp:399
#18 0x00007f3789dbdec1 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff70fb9cf0) at kernel/qapplication_x11.cpp:3231
#19 0x00007f3789dea322 in x11EventSourceDispatch (s=0xcc7950, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#20 0x00007f3785d9ebce in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#21 0x00007f3785da2598 in ?? () from /lib/libglib-2.0.so.0
#22 0x00007f3785da26c0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#23 0x00007f378abc5333 in QEventDispatcherGlib::processEvents (this=0xc341c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#24 0x00007f3789de9f0e in QGuiEventDispatcherGlib::processEvents (this=0xd7f2b0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007f378ab9a732 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#26 0x00007f378ab9ab0c in QEventLoop::exec (this=0x7fff70fba020, flags=) at kernel/qeventloop.cpp:201
#27 0x00007f378ab9e84b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#28 0x00007f377e23a532 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../kmix/main.cpp:71
#29 0x0000000000406fb8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a499 "0") at ../../kinit/kinit.cpp:717
#30 0x0000000000407c70 in handle_launcher_request (sock=9, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#31 0x0000000000408121 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#32 0x0000000000408df2 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1841

Possible duplicates by query: bug 229782, bug 229726, bug 218560.

Reported using DrKonqi