linux-kernel - Re: NFS regression in v3.5-rc1: mount.nfs yells about incorrect mount option

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Message-ID: <20120607160109.GS12795@8bytes.org>
Date:	Thu, 7 Jun 2012 18:01:09 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Bryan Schumaker <bjschuma@...app.com>
Cc:	Trond Myklebust <Trond.Myklebust@...app.com>,
	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: NFS regression in v3.5-rc1: mount.nfs yells about incorrect
 mount option

On Thu, Jun 07, 2012 at 11:54:24AM -0400, Bryan Schumaker wrote:
> On 06/07/2012 11:50 AM, Joerg Roedel wrote:
> > On Thu, Jun 07, 2012 at 11:12:02AM -0400, Bryan Schumaker wrote:
> > 
> >> Can you use `mount -v` to get more output?
> > 
> > Btw, it also works when I manually set the nfs-version at mount:
> > 
> > mount -o nfsvers=3 ...
> 
> What about `mount -o vers=4 ...`?  I'm compiling a kernel right now to
> see if I can reproduce this, what NFS .config options do you have set?
> (`cat .config | grep CONFIG_NFS_` should be good enough).

mount -o vers=2 and -o vers=3 works
mount -o vers=4 fails with:

root@...om:~# mount -o vers=4 lemmy:/data/repos/ /data/lemmy/
mount.nfs: mounting lemmy:/data/repos/ failed, reason given by server:
  No such file or directory

# grep CONFIG_NFS_ .config
CONFIG_NFS_FS=y
CONFIG_NFS_V2=y
CONFIG_NFS_V3=y
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=y
# CONFIG_NFS_V4_1 is not set
CONFIG_NFS_FSCACHE=y
# CONFIG_NFS_USE_LEGACY_DNS is not set
CONFIG_NFS_USE_KERNEL_DNS=y
CONFIG_NFS_ACL_SUPPORT=y
CONFIG_NFS_COMMON=y


	Joerg


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