Re: 2.6.6-rc3 - "ip_conntrack_in: Frag of proto 17" (udp) with kNFS r/wsize > 8192

[Martijn Lievaart <netfilter-devel@rtij.nl>]

Kenneth Aafløy wrote:

>Hi!
>
>I hope this problem has not been reported before or that I'm not just picking
>up on some user-keyboard troubles, I've read over the archives, but could not
>find anything relevat to this issue.
>
>I've come across some strange behavior with a nfs server running on 2.6.6-rc3
>today. My clients is also running this version. Basically when I set the NFS
>client r/wsize = 8192, or remove the connection tracking netfilter modules
>the problem goes away. If I set the r/wsize to 16834 and the conntrack module
>is loaded I end up in the code segment below. When this happens the NFS
>client will almost lose connection with the server, and print a lot of;
>NFS server not responding, still trying. NFS server OK.
>
>

I'm seeing this to on a 2.4.22 kernel. I didn't change anything on the
r/wsize, so I have the default of 4096, I think. Both have conntrack loaded.

Martijn Lievaart