From: "Marco Schwarz" <marco.schwarz@gmx.net>
Subject: Re: do_vfs_lock Messages
Date: Thu, 09 Nov 2006 10:39:06 +0100
Message-ID: <20061109093906.290540@gmx.net>
References: <20061108144900.241780@gmx.net>
	<1163007231.5712.42.camel@lade.trondhjem.org>
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Cc: nfs@lists.sourceforge.net
In-Reply-To: <1163007231.5712.42.camel@lade.trondhjem.org>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
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> On Wed, 2006-11-08 at 15:49 +0100, Marco Schwarz wrote:
> > Hi,
> > 
> > I am getting A LOT of messages like
> > 
> > Nov  8 15:34:56 linux kernel: do_vfs_lock: VFS is out of sync with lock
> manager!
> > Nov  8 15:35:06 linux last message repeated 156 times
> > 
> > on a discless client system (root on NFS) with Kernel 2.6.18
> > 
> > Is this critical ? If not, can I supress it somehow ? It doesnt happen
> with the same server and my older clients (running 2.4.something).
> 
> It isn't critical. Usually it just means that someone is interrupting
> NFS lock calls. You can suppress it by changing the 'console_loglevel'
> field in /proc/sys/kernel/printk. Use something like
> 
> echo "3       3       1       7" > /proc/sys/kernel/printk
> 
> Cheers,
>   Trond

I tried to mount my nfs root with NOLOCK, shouldnt this also make those messages disappear ?

 host btest.fds{
  hardware ethernet 00:17:31:37:A9:CF;
  fixed-address 192.168.4.39;
  filename "/tftpboot/pxelinux.0";
  option root-path "/netclients/192.168.4.39_sles9,nolock,rsize=4096,wsize=4096";
 }

It doesnt look like anything changed with NOLOCK, still lots of do_vfs_lock
while booting up ...

Best regards,
Marco 

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