On Apr 21, 2009, at 3:29 PM, Michael Albinus wrote:

> David Abrahams <dave@boostpro.com> writes:
>
>> Opening remote files/directories via TRAMP is wicked slow on MacOS;  
>> the
>> same operation on a linux emacs running on the same hardware is
>> practically instantaneous.  Turns out that applying the enclosed  
>> patch
>> makes the symptom go away.  I'm not an expert on emacs process  
>> handling,
>> but that tells me emacs probably isn't detecting output from the  
>> process
>> until the timeout (usually 1 second for TRAMP) is reached.
>
> Reading <http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=895 
> >
> indicates, one shall set `process-connection-type' to `nil'. This is
> also documented in Bugs 2056, 2503, 2639, 2717.
>
> OTOH, the comment for `tramp-process-connection-type' says that it's  
> not
> applicable for Tramp.
>
> Hmm. What happens, when you set `tramp-process-connection-type' to  
> `nil'?
> Does Tramp still work on your mac?

Nope.

> How fast?


It fails very slowly ;-)

A full TRAMP log is enclosed.