Re: Upgrade to 2.6.24 breaks NFS service

[Jeff Layton]

On Wed, 13 Feb 2008 02:19:12 -0800
Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> (cc linux-nfs)
> 
> On Wed, 13 Feb 2008 08:58:03 +0000 Nix <nix@xxxxxxxxxxxxx> wrote:
> 
> > I upgraded from 2.6.23.10 to 2.6.24.2 yesterday, and found NFS
> > service failing.
> > 
> > To be specific, all locks were blocking forever, with an endless
> > flood of
> > 
> > Feb 12 22:53:10 loki notice: kernel: statd: server localhost not
> > responding, timed out Feb 12 22:53:10 loki notice: kernel: lockd:
> > cannot monitor esperi Feb 12 22:53:45 loki notice: kernel: statd:
> > server localhost not responding, timed out Feb 12 22:53:45 loki
> > notice: kernel: lockd: cannot monitor esperi Feb 12 22:54:20 loki
> > notice: kernel: statd: server localhost not responding, timed out
> > Feb 12 22:54:20 loki notice: kernel: lockd: cannot monitor esperi
> > Feb 12 22:54:55 loki notice: kernel: statd: server localhost not
> > responding, timed out Feb 12 22:54:55 loki notice: kernel: lockd:
> > cannot monitor esperi Feb 12 22:55:20 esperi notice: kernel: lockd:
> > server loki.wkstn.nix not responding, still trying
> > 
> > (esperi is a UML instance on the same machine, connected via a
> > bridged TUN/TAP interface: the bridge, and network service to
> > esperi and to the rest of the local net across that bridge, was
> > fine.)
> > 
> > I'm currently using NFSv3 atop nfs-utils 1.1.0.33-gdd08789, with
> > daemons being started in the suggested order (portmap, mountd, statd
> > --no-notify, nfsd). This evening I'm going to try to upgrade to
> > nfs-utils HEAD and see if this continues.
> > 
> 

If upgrading nfs-utils doesn't help, on this box, could you run:

# rpcinfo -p localhost

send the output? statd expects that lockd will always be listening on a
UDP socket and some changes recently made it so that when there are
only TCP mounts that it doesn't necessarily do so. That may be the
problem here.

-- 
Jeff Layton <jlayton@xxxxxxxxxx>
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