Yes,I have tried that.Both GUI session and TTY session work very well.<br><div class="gmail_quote">2012/8/12 Eli Zaretskii <span dir="ltr">&lt;<a href="mailto:eliz@gnu.org" target="_blank">eliz@gnu.org</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

&gt; From: qq510371827 &lt;<a href="mailto:qq510371827@gmail.com">qq510371827@gmail.com</a>&gt;<br>
&gt; Date: Sat, 11 Aug 2012 23:11:33 +0800<br>
&gt;<br>
&gt; emacs 24.1.1(i686-pc-linux-gnu),GTK+ Version 2.24.10 of 2012-07-17 on<br>
&gt; berkelium, modified by Debian<br>
&gt; GNU gdb (ubuntu/Linaro 7.4-2012.04-0ubuntu2)<br>
&gt; ubuntu 12.04 LTS.<br>
<br>
Did you try this in a GUI session or in a TTY?  If in a GUI session,<br>
can you try in a TTY session (&quot;emacs -Q -nw&quot;)?<br>
</blockquote></div><br>