Re: Gnus gets stuck when network changes

[Ted Zlatanov]

On Tue, 04 Mar 2008 00:13:18 +0900 William Xu <william.xwl@gmail.com> wrote: 

WX> Ted Zlatanov <tzz@lifelogs.com> writes:
>> Can Emacs open a network connection outside Gnus?
>> 
>> For example try (url-insert-file-contents "http://google.com";) in a
>> temporary buffer.  That won't use any Gnus facilities.

WX> Since emacs gets stuck at this point, I'm unable to do this test during
WX> that time.  For after that stuck, I'll explain below.

Start a second Emacs and test in it.

>> Then try the same for your own mail server, if there's a web server
>> running on or near it.  If you can't get through, try command-line
>> telnet to port N (where N is your IMAP, POP, whatever port) and ping.
>> If those don't work either, the problem is outside of Emacs.

WX> After the stuck period, I checked Gnus group buffer, finding it failed
WX> to connect to some newsgroup servers, for example, Gnus "Cannot open
WX> server" for the following: 

WX> ,----
WX> | zen:~$ telnet aioe.cjb.net 119
WX> | Trying 194.177.96.26...
WX> | Connected to aioe.cjb.net.
WX> | Escape character is '^]'.
WX> | 500 Too long connection
WX> | 
WX> | Connection closed by foreign host.
WX> `----

WX> Besides that, the gmane newsgroup server is still connected.  

WX> I don't understand why that long stuck period, what kind of TIMEOUT is
WX> that...  

You need to use telnet and ping during the "stuck" period.  Also try a
web browser during that time.  That way you'll know if your OS or Emacs
are the problem, and what kinds of connections are working.

Please tell us what OS you're running, at least.

Ted