Re: fix TCP roundtrip time update code

James Morris
2003-06-04T00:12:44Z

On Tue, 3 Jun 2003, David Mosberger wrote:

> Martin> I tested this patch and it looks like it has cured my
> Martin> mysterious TCP stalls.
>
> Yes, this sounds reasonable. I wasn't very clear on this point, but
> "by going south" I meant that TCP is starting to misbehave. In
> particular, you'll likely end up with the kernel aborting ESTABLISHED
> TCP connections with extreme prejudice (and in violation of the TCP
> protocol), because it thought that it had been unable to communicate
> with the remote end for a _very_ long time. The net effect typically
> is that you end up with one end having a connection that's in the
> ESTABLISHED state and the other end having no trace of that
> connection.

David,

This might be the solution to one of the 'must-fix' bugs for the
networking, which nobody so far was quite able to track down.

- James
--
James Morris
<jmorris@intercode.com.au>