On Thu, 4 Jul 2013, Jan Djärv wrote:

> Hello.
>
> 4 jul 2013 kl. 17:31 skrev Mark McKenzie <mark@ssl.co.uk>:
>
>> On Thu, 4 Jul 2013, Eli Zaretskii wrote:
>>
>>>> Date: Thu, 4 Jul 2013 11:41:09 +0100 (BST)
>>>> From: Mark McKenzie <mark@ssl.co.uk>
>>>>
>>>> Until recently I had this line in my .emacs in order to get the file path
>>>> into the title bar of emacs (I work with files with the same name in
>>>> different locations, don't even go there)
>>>>
>>>> (setq frame-title-format "%f")
>>>>
>>>> Last week I upgraded my system and it stopped working.
>>>
>>> Works for me.  But my build is not a GTK build, perhaps this is
>>> specific to GTK?
>>>
>> Thanks for checking. I might see if I can find the time to build from source against an earlier gtk or other x toolkit. After my recent upgrade my instinct is to wail and moan about Gnome 3 but I'm sure that's just me being irrational. I'll mail to 14788@debbugs.gnu.org if I discover anything.
>
> It works fine on Gtk 3 on Fedora 18 with Gnome 3.  Can you reproduce the error when starting Emacs with -Q?
>
> 	Jan D.
>
>
>
Yes. I reduced my .emacs file to a single line

(setq frame-title-format "%f")

I just get "emacs@" followed by the hostname in the title bar.

If you managed to get it working on the same system specs then I suspect 
it must be something odd in the rest of my system configuration. I'll 
start taking a look