the bug is in fact due to the gtk-qt-engine hack, you should uninstall that if you want a stable installation
#9 0xb77b8bbb in IA__gdk_pixmap_new (drawable=0x8357468, width=66, height=30, depth=24) at /build/buildd/gtk+2.0-2.15.4/gdk/x11/gdkpixmap-x11.c:169 pixmap = (GdkPixmap *) 0x0 cmap = <value optimized out> window_depth = 24 __PRETTY_FUNCTION__ = "IA__gdk_pixmap_new" #10 0xb640332e in ?? () from /usr/lib/libQtGui.so.4 #11 0xb63f6f9e in QGtkStyle::drawPrimitive () from /usr/lib/libQtGui.so.4 ** Changed in: gtk-qt-engine (Ubuntu) Sourcepackagename: gnome-control-center => gtk-qt-engine Assignee: Ubuntu Desktop Bugs (desktop-bugs) => (unassigned) -- gnome-appearance-properties crashed with SIGSEGV in g_object_newv() https://bugs.launchpad.net/bugs/333930 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to gtk-qt-engine in ubuntu. -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs