Re: [PATCH] NFS regression in 2.6.26?, "task blocked for more than 120 seconds"

Trond Myklebust
2008-11-25T13:57:20Z

On Tue, 2008-11-25 at 13:38 +0000, Ian Campbell wrote:
> > That would indicate that the server is failing to close the TCP
> > connection when the client closes on its end.
> >
> > Could you remind me what server you are using?
>
> 2.6.25-2-486 which is a Debian package from backports.org, changelog
> indicates that it contains 2.6.25.7.

Hmm... It should normally close sockets when the state changes. There
might be a race, though...

> > Also, does 'netstat -t'
> > show connections that are stuck in the CLOSE_WAIT state when you see the
> > hang?
>
> I'd have to wait for it to reproduce again to be 100% sure but according
> to http://lkml.indiana.edu/hypermail/linux/kernel/0808.3/0120.html
> I was seeing connections in FIN_WAIT2 but not CLOSE_WAIT.

That would be on the client side. I'm talking about the server.

Cheers
Trond