Re: Often experiencing nfs server foo:/bar: not responding

On 6/20/06, Steve Kargl <sgk_at_troutmask.apl.washington.edu> wrote:
> On Tue, Jun 20, 2006 at 03:31:15PM -0700, Mohan Srinivasan wrote:
> >
> > --- "Matthew D. Fuller" <fullermd_at_over-yonder.net> wrote:
> > > On Tue, Jun 20, 2006 at 01:45:07PM -0700 I heard the voice of
> > > David O'Brien, and lo! it spake thus:
> > > >
> > > > Note that mounting NFS /home with -T "fixes" the problem.
> > >
> > > Hm, that's a point.  I have an early-June -CURRENT as a NFS client on
> > > a late-Nov.  -CURRENT NFS server, and haven't had any troubles.  But I
> > > do use TCP mounts.
> > >
> >
> > I am not able to reproduce the problems you report :(
> >
> > 1) On the latest -current NFS client, and against both NetApp filers and
> > FreeBSD 4.11 servers, mounting NFS/UDP,
> >
> > I copied a .tgz image of the freebsd source tree to an NFS mount, untarred
> > it over NFS and built the kernel over NFS.
> >
> > That works fine. I don't see any "server not responding messages".
> >
> > 2) Then I did the same with a FreeBSD4.11 client and the FreeBSD -current
> > server - copying the .tgz file over NFS and untarring it over NFS, to see
> > if might be a -current NFS server issue. That works fine too.
> >
> > Unfortunately, I am unable to mount -current against -current here.
> >
> > I have a mix of bge and fxp cards.
>
> I've seen the problem described by David on RELENG_6.
>
> You can see the network topology at
> http://troutmask.apl.washington.edu/~kargl/hpc.html
> The NFS server is on node10 (bge1) and /home is exported to node11
> through node15.  If I mount node10:/usr/src on node15 a "make installworld"
> will result in a never ending stream of "server not responding messages".

Has anyone who has seen this issue tried using the dumb timer mount option?

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