Application: kwin (4.4.1 (KDE 4.4.1))
KDE Platform Version: 4.4.1 (KDE 4.4.1)
Qt Version: 4.6.2
Operating System: Linux 2.6.33-devh x86_64
Distribution: "Gentoo Base System release 2.0.1"

-- Information about the crash:
fullscreen application switched desktop to a different resolution, as a result kwin crashed

 -- Backtrace:
Application: KWin (kwin), signal: Bus error
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib64/libgobject-2.0.so.0.2200.4-gdb.py", line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
The current source language is "auto; currently asm".
[KCrash Handler]
#5  0x00007f86d3a9d27e in KPixmapCache::Private::mmapFile (this=0x1a92fd0, filename=..., info=0x1a93020, newsize=33656832)
    at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:491
#6  0x00007f86d3a9dd14 in KPixmapCache::Private::mmapFiles (this=0x1a92fd0) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:419
#7  0x00007f86d3a9db3b in KPixmapCache::Private::init (this=0x1a92fd0) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1061
#8  0x00007f86d3aa0c9d in KPixmapCache::discard (this=0x1a813d0) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1279
#9  0x00007f86d3aa1379 in KPixmapCache::deleteCache (name=...) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kpixmapcache.cpp:1255
#10 0x00007f86d4015bad in Plasma::ThemePrivate::discardCache (this=0x1a7ac20) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/plasma/theme.cpp:221
#11 0x00007f86d401604d in Plasma::ThemePrivate::compositingChanged (this=0x1a7ac20) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/plasma/theme.cpp:213
#12 0x00007f86d401aa1a in Plasma::Theme::qt_metacall (this=0x1a29270, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff294c0740)
    at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1_build/plasma/theme.moc:108
#13 0x00007f86d2da100f in QMetaObject::activate (sender=0x1a80d10, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7f86d2a16170) at kernel/qobject.cpp:3285
#14 0x00007f86d3a96fad in KSelectionWatcher::Private::x11Event (this=<value optimized out>, ev_P=0x0)
    at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/util/kmanagerselection.cpp:395
#15 0x00007f86d3a0f216 in KAppX11HackWidget::publicx11Event (this=<value optimized out>, _event=0x7fff294c0e20)
    at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/kernel/kapplication.cpp:903
#16 KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fff294c0e20) at /var/tmp/portage/kde-base/kdelibs-4.4.1-r1/work/kdelibs-4.4.1/kdeui/kernel/kapplication.cpp:953
#17 0x00007f86d1e43f71 in qt_x11EventFilter (ev=0x7fff294c0e20) at kernel/qapplication_x11.cpp:399
#18 0x00007f86d1e50054 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff294c0e20) at kernel/qapplication_x11.cpp:3231
#19 0x00007f86d1e7714c in x11EventSourceDispatch (s=0x18ac5e0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#20 0x00007f86ce8d0f8b in g_main_dispatch (context=0x18ab1f0) at gmain.c:1960
#21 IA__g_main_context_dispatch (context=0x18ab1f0) at gmain.c:2513
#22 0x00007f86ce8d4890 in g_main_context_iterate (context=0x18ab1f0, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#23 0x00007f86ce8d49c0 in IA__g_main_context_iteration (context=0x18ab1f0, may_block=1) at gmain.c:2654
#24 0x00007f86d2db71e3 in QEventDispatcherGlib::processEvents (this=0x188f860, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#25 0x00007f86d1e76a6e in QGuiEventDispatcherGlib::processEvents (this=0x20fe860, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007f86d2d8d072 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#27 0x00007f86d2d8d44d in QEventLoop::exec (this=0x7fff294c1150, flags=) at kernel/qeventloop.cpp:201
#28 0x00007f86d2d91093 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#29 0x00007f86d4c557d8 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.1/work/kwin-4.4.1/kwin/main.cpp:526
#30 0x00007f86cefa4bbd in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff294c1718) at libc-start.c:220
#31 0x0000000000400949 in _start ()

This bug may be a duplicate of or related to bug 182026.

Possible duplicates by query: bug 230731, bug 230584, bug 230368, bug 230119, bug 230103.

Reported using DrKonqi