在最新版本的 Ubuntu (11.10) 中，当我从命令行运行时，每次打开窗口时 Gtk 都会大声抱怨（超过几行）。问题显然出在主题上 - 如果我将默认值从更改Ambiance为High-Contrastthis 就会消失。一些例子：
travis@hydrogen:~$ emacs foo.txt
(emacs:1550): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(emacs:1550): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(emacs:1550): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(emacs:1550): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(emacs:1550): Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
(emacs:1550): Gtk-WARNING **: Unable to locate theme engine in …