Re: NFS Locking Issue

On Thu, 29 Jun 2006 22:25:30 +0200, Michael Collette <Michael.Collette@xxxxxxxxxxxxxx> wrote:

Rong-en Fan wrote:
On 6/29/06, Michael Collette <Michael.Collette@xxxxxxxxxxxxxx> wrote:
This last week I had been working on a test network to test out 6.1
prior to upgrading our production boxes from 5.4. That's when I ran
across the rpc.lockd issues that have been discussed earlier.

Our production setup has diskless clients running KDE, which due to this
bug is now dead on 6.1. I also have my mail server delivering messages
to a file server via NFS. I even have servers booting diskless with NFS
provided file systems... all of which are dead on 6.1.

The last discussion our bug updates I've seen on this issue were about 3
months ago. This leaves me with a number of questions I hope can be
answered here on this list.

Is NFS a big deal for most other users, or am I out here on the fringe
using it as much as I do?

Is anyone working on a fix for this? If so, is there any kind of time
frame where this fix might be MFC'd to 6-STABLE?

I guess I'm still just a bit stunned that a bug this obvious not only
found it's way into the STABLE branch, but is still there. Maybe it's
not as obvious as I think, or not many folks are using it? All I know
for sure here is that if I had upgraded to 6.1 my network would have
been crippled.
Try 6.1-STABLE, especially make sure you have
$FreeBSD: src/usr.sbin/rpc.lockd/kern.c,v 1.16.2.1 2006/06/02
01:20:58 rodrigc Exp $
for usr.sbin/rpc.lockd/kern.c, and see if this helps.

I am running STABLE on all my test boxes, and the problem is very much there. It's not everything that locks up though. I'm able to bring X up with twm, but unable to launch any Gnome or KDE applications without them being stranded in a lock state.

I sure would have loved for your suggestion to be correct. For what it's worth, all the boxes I'm working with are on STABLE no more than a week old. I ran fresh build worlds on all of them before getting the rest of my configs going.

Thanks,

Hello, I run my client with the -L mount option. This makes NFS locks local to the client, which is a workaround for me. If you depend on locks enforced on the server it wil not work.

Ronald.

--
Ronald Klop
Amsterdam, The Netherlands
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