Still getting NFS client locking up

Don Lewis truckman at
Tue Nov 11 13:49:51 PST 2003

On 31 Oct, Kelley Reynolds wrote:
> --- Original Message ---
> From: Matt Smith <matt at>
> Sent: Fri, 31 Oct 2003 08:55:49 +0000
> To: Robert Watson <rwatson at FreeBSD.ORG>
> Subject: Re: Still gettnig NFS client locking up
>> Robert Watson wrote:
>> > On Tue, 28 Oct 2003, Soren Schmidt wrote:
>> > 
>> > 
>> >>>I'm now running a kernel/world of October 26th on both NFS client
>> >>>and server machines. I am still seeing NFS lockups as reported by
>> >>>several people in these threads:
>> >>
>> >>Me too!!
>> > 
>> > 
>> > Hmm.  I'm unable to reproduce this so far, and I'm pounding several
>> > 5.x NFS clients and servers.  I've been checking out using CVS over
>> > NFS, performing dd's of big files, etc.  There must be something
>> > more I'm missing in reproducing this.  What network interface cards
>> > are you using (client, server)? Are you using DHCP on the client or
>> > server?  What commands trigger it -- what part of the NFS
>> > namespace, etc?  Are you running the commands as root, or another
>> > user?
>> > 
>> > Robert N M Watson             FreeBSD Core Team, TrustedBSD
>> > Projects robert at      Network Associates
>> > Laboratories
>> > 
> I'm also experiencing lockups with NFS, but it's the server that locks
> up on mine. Both client and server are -CURRENT. Server was fresh as
> of two days ago, and the client is a week or two old. They are
> connected via bfe (server) and vr (client). The server, I've found,
> will last much longer if the mount options on the client include 'tcp'
> and 'nfsv3' (supposed to be default, but I'm just calling it like it
> is). Reading files seems to be okay, and I've managed to get as far as
> compiling a kernel on an NFS-mounted /usr, but a buildworld will hang
> in < 30 minutes. The server is running dhcp and pf. All commands are
> being run as root.

I'm not having any problems with my -CURRENT client.  My server is
running 4.9-STABLE, so I can't comment on the state of the NFS server
code in -CURRENT.  For what it's worth, my NFS usage is not very heavy,
and is mostly reading, with very little writing.

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