Re: NFS issue - newnfs_request: Wrong session srvslot=1 slot=0, freeing free slot!!

Rick,

On Fri, Aug 26, 2022 at 11:18 AM Rick Macklem <rmacklem@uoguelph.ca> wrote:

> Ganbold Tsagaankhuu <ganbold@gmail.com> wrote:
> > Hi,
> >
> > We are having trouble with NFS running on STABLE:
> >
> > Aug 26 02:21:42 iron2 kernel: newnfs_request: Wrong session srvslot=1
> slot=0
> > Aug 26 02:21:42 iron2 kernel: freeing free slot!!
> > Aug 26 02:21:43 iron2 kernel: newnfs_request: Wrong session srvslot=1
> slot=0
> > Aug 26 02:21:43 iron2 kernel: freeing free slot!!
> > Aug 26 02:21:54 iron2 kernel: newnfs_request: Wrong session srvslot=1
> slot=0
> > Aug 26 02:21:54 iron2 kernel: freeing free slot!!
> > Aug 26 02:21:58 iron2 kernel: newnfs_request: Wrong session srvslot=1
> slot=2
> > Aug 26 02:21:58 iron2 kernel: retseq diff 0x1
> > Aug 26 02:21:58 iron2 kernel: freeing free slot!!
> > Aug 26 02:21:59 iron2 kernel: newnfs_request: Wrong session srvslot=1
> slot=2
> > Aug 26 02:21:59 iron2 kernel: retseq diff 0x1
> > Aug 26 02:21:59 iron2 kernel: freeing free slot!!
> > Aug 26 02:22:12 iron2 kernel: newnfs_request: Wrong session srvslot=0
> slot=2
> > Aug 26 02:22:12 iron2 kernel: retseq diff 0x1
> > Aug 26 02:22:12 iron2 kernel: freeing free slot!!
> > Aug 26 02:22:14 iron2 kernel: newnfs_request: Wrong session srvslot=1
> slot=0
> > Aug 26 02:22:14 iron2 kernel: freeing free slot!!
> > Aug 26 02:22:15 iron2 kernel: newnfs_request: Bad session slot=1
> > Aug 26 02:22:15 iron2 kernel: freeing free slot!!
> > Aug 26 02:22:30 iron2 kernel: newnfs_request: Wrong session srvslot=1
> slot=2
> > Aug 26 02:22:30 iron2 kernel: retseq diff 0x1
> > Aug 26 02:22:30 iron2 kernel: freeing free slot!!
> > Aug 26 02:22:31 iron2 kernel: newnfs_request: Bad session slot=1
> > Aug 26 02:22:31 iron2 kernel: freeing free slot!!
> > Aug 26 02:22:46 iron2 kernel: newnfs_request: Wrong session srvslot=1
> slot=0
> > Aug 26 02:22:46 iron2 kernel: freeing free slot!!
> >
> > We are running FreeBSD 13.1-STABLE #3 stable/13-n252198-c1434fd2dea: Fri
> Aug 26 01:51:53 UTC 2022 and mount options are:
> >
> > rw,nfsv4,minorversion=1,bg,soft,timeo=20,retrans=5,retrycnt=5
> > ro,nfsv4,minorversion=1,bg,soft,timeo=20,retrans=5,retrycnt=5
> >
> > Is there any fix for this issue?
> - Don't use "soft" mounts. See the Bugs section of "man mount_nfs".
>   There are patches in stable/13 dated July 10, 2022. (I have no idea
>   how to tell if n252198 would have them) that help, but use of "soft"
>   mounts will never work correctly for NFSv4.
> - The attached small patch (not committed yet, but should be in
>   stable/13 in about 10days) fixes a couple of corner cases. If you
>   are using a FreeBSD NFS server, I believe these corner cases only
>   occur after the NFS server reboots.
>
> rick
> ps: If you test the attached patch, please let me know how it goes.
>

Is this patch for NFS server? We are using Netapp NFS server on server side.

thanks,

Ganbold



>
> thanks a lot,
>
> Ganbold
>
>