From: Douglas Furlong <douglas.furlong@firebox.com>
Subject: Re: NFS server not responding
Date: Fri, 28 Nov 2003 10:48:41 +0000
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On Fri, 2003-11-28 at 10:11, Juergen Sauer wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
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> Am Freitag, 28. November 2003 10:37 schrieb Douglas Furlong:
> MKoin doug,
> 
> > I do indeed have an nvidia card in the machine which is a nVidia
> > Corporation NV11 [GeForce2 MX/MX 400] (rev b2).
>  
> > However on an lsmod the nv.o driver is not being loaded (the machine
> > goes to run level 3 not 5.
> Is the kernel module "nvidia" loaded ?
> Mathew McNally reported the same thing, problems with Nvidia Graphic disturbs
> NFS/Network.
> 
> Perhaps I should be more exactly, my client here has an ASUS A7N8X
> board. This have Nvidia NFORCE2 Chipset, Nvidia Network Chip, 
> and a AGP-Nvidia Gforce 4X Card.
> Using 2.4.18-XFS all is fine, except the speed of the IDE System,
> Using 2.4.22-XFS mostly IDE Speed is fine, System runs fine, 
> except "NFS Server not responding", those errors are fast comming and
> going. nfsstat shows a lot of retrans.

What in your opinion is a lot of retransmissions? Today I am seeing
around 0.7%.
Client rpc stats:
calls      retrans    authrefrsh
23695      166        0       

I am using the standard kernel provided by redhat for this machine.

> 
> > Am I right in saying this should mean the problem does not exist?
> The Problem exists - definitely.
> But it's possible to configure that it does not hurt too much, by lowering
> rsize=4096,wsize=4096 I got a compromise between speed and "NFS server ...".
> 
> I think the only solution is to send bugreports to NVIDIA.
> (Shit closed source, in OSS we had already fixed this junk).
>  
> > I will go and have a look at those archives (only been on the list for a
> > week).
Neither the open-source nor closed source drivers appear to be loaded,
are these drivers only loaded when going to runlevel 5 (or starting x
manually?)?

I have also started to mount the NFS volumes using TCP, I am no longer
getting the NFS server not responding error messages.

However, if this is just hiding a problem i would like to find out for
future reference.

doug


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