mbuf leakage with nfs/zfs?

[Eirik Øverby]

On 27. feb. 2010, at 22.38, Gerrit Kühn wrote:

> On Sat, 27 Feb 2010 21:32:39 +0100 Eirik Øverby <ltning at anduin.net> wrote
> about Re: mbuf leakage with nfs/zfs?:
> 
> E> I've had a discussion with some folks on this for a while. I can easily
> E> reproduce this situation by mounting a FreeBSD ZFS filesystem via
> E> NFS-UDP from an OpenBSD machine. Telling the OpenBSD machine to use TCP
> E> instead of UDP makes the problem go away.
> 
> So we see this problem with udp clients from OpenBSD and Linux.

I have not had the opportunity to test with Linux or anything else. Could try from Windows, but not sure I want to get my hands THAT dirty.


> E> Other FreeBSD systems mounting the same share, either using UDP or TCP,
> E> does not cause the problem to show up.
> 
> As Daniel reported he saw the problem with FBSD 8-stable: Which version
> was the FBSD-client that worked for you with udp?

7.1, 7.2, 8.0-RCsomething and 8.0-RELEASE - no problems with either.


> E> A patch was suggested by Rick Macklem, but that did not solve the issue:
> E> http://lists.freebsd.org/pipermail/freebsd-current/2009-December/014181.html
> 
> Yeah, I also found and tried this on Friday - unfortunately without any
> success, the leakage is still there.
> 
> 
> cu
>  Gerrit
>