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From: Fengguang Wu <fengguang.wu@gmail.com>
To: Neil Brown <neilb@suse.de>
Cc: linux-kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: "svc: unknown version (3)" when CONFIG_NFSD_V4=y
Date: Wed, 10 Jan 2007 22:17:56 +0800	[thread overview]
Message-ID: <368438638.13038@ustc.edu.cn> (raw)
Message-ID: <20070110141756.GA5572@mail.ustc.edu.cn> (raw)
In-Reply-To: <17828.33075.145986.404400@notabene.brown>

On Wed, Jan 10, 2007 at 05:01:23PM +1100, Neil Brown wrote:
> On Friday January 5, fengguang.wu@gmail.com wrote:
> > Hi Neil,
> > 
> > NFS mounting succeeded, but the kernel gives a warning.
> > I'm running 2.6.20-rc2-mm1.
> > 
> > # mount -o vers=3 localhost:/suse /mnt
> > [  689.651606] svc: unknown version (3)
> > # mount | grep suse
> > localhost:/suse on /mnt type nfs (rw,nfsvers=3,addr=127.0.0.1)
> > 
> > Any clues about it?
> 
> Weird.
> 
> Please try this patch.  It should provide more useful information.
> 
> NeilBrown
> 
> Signed-off-by: Neil Brown <neilb@suse.de>
> 
> ### Diffstat output
>  ./net/sunrpc/svc.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff .prev/net/sunrpc/svc.c ./net/sunrpc/svc.c
> --- .prev/net/sunrpc/svc.c	2007-01-10 16:58:14.000000000 +1100
> +++ ./net/sunrpc/svc.c	2007-01-10 16:59:55.000000000 +1100
> @@ -910,7 +910,8 @@ err_bad_prog:
>  
>  err_bad_vers:
>  #ifdef RPC_PARANOIA
> -	printk("svc: unknown version (%d)\n", vers);
> +	printk("svc: unknown version (%d for prog %d, %s)\n", 
> +	       vers, prog, progp->pg_name);
>  #endif
>  	serv->sv_stats->rpcbadfmt++;
>  	svc_putnl(resv, RPC_PROG_MISMATCH);

root ~# mount localhost:/suse /mnt
[  132.678204] svc: unknown version (3 for prog 100227, nfsd)

I've confirmed that 2.6.20-rc2-mm1, 2.6.20-rc3-mm1, 2.6.19-rc6-mm1 all
have this warning, while 2.6.17-2-amd64 is good.

Thanks,
Wu

      parent reply	other threads:[~2007-01-10 14:17 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <367964923.02447@ustc.edu.cn>
2007-01-05  2:42 ` Fengguang Wu
2007-01-05 12:25   ` Trond Myklebust
     [not found]     ` <368001275.26960@ustc.edu.cn>
2007-01-05 12:48       ` Fengguang Wu
2007-01-10  6:01   ` Neil Brown
     [not found]     ` <368438638.13038@ustc.edu.cn>
2007-01-10 14:17       ` Fengguang Wu
2007-01-11  3:59         ` Neil Brown
     [not found]           ` <368527150.02925@ustc.edu.cn>
2007-01-11 14:53             ` Fengguang Wu
2007-01-11 22:04               ` Neil Brown
     [not found]                 ` <368569131.07190@ustc.edu.cn>
2007-01-12  2:32                   ` Fengguang Wu
2007-01-12 19:43                     ` Neil Brown
     [not found]                       ` <368654358.17532@ustc.edu.cn>
2007-01-13  2:13                         ` Fengguang Wu
2007-01-14 22:32                           ` Neil Brown
2007-01-10 15:15       ` Arnaud Giersch

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