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From: Jens Axboe <axboe@suse.de>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>,
	Andrew Morton <akpm@osdl.org>
Subject: Re: RPC request reserved 0 but used 96
Date: Sat, 15 May 2004 12:36:51 +0200	[thread overview]
Message-ID: <20040515103650.GB24600@suse.de> (raw)
In-Reply-To: <20040515085819.GS17326@suse.de>

On Sat, May 15 2004, Jens Axboe wrote:
> On Sat, May 15 2004, Jens Axboe wrote:
> > Hi,
> > 
> > Seeing lots of these on a small server that hosts nfs shares (root and
> > "normal").
> > 
> > router:~ # dmesg | tail -n5
> > RPC request reserved 0 but used 96
> > RPC request reserved 0 but used 96
> > RPC request reserved 0 but used 140
> > RPC request reserved 0 but used 140
> > RPC request reserved 0 but used 96
> > 
> > I see nfs stalls on the client, doesn't seem to be directly related to
> > when the above messages happen.
> 
> This went out a little early, lots of pieces missing.
> 
> The server is running 2.6.6-mm2, NFS options are as follows:
> 
> CONFIG_NFS_FS=y
> CONFIG_NFS_V3=y
> # CONFIG_NFS_V4 is not set
> CONFIG_NFS_DIRECTIO=y
> CONFIG_NFSD=y
> CONFIG_NFSD_V3=y
> # CONFIG_NFSD_V4 is not set
> CONFIG_NFSD_TCP=y
> CONFIG_LOCKD=y
> CONFIG_LOCKD_V4=y
> CONFIG_EXPORTFS=y
> CONFIG_SUNRPC=y
> 
> The shares are exported async.
> 
> Client is running 2.4.26, mount options are nfsvers=3,tcp.
> 
> I'll be trying 2.6.6-BK on the server now.

2.6.6-BK with shares exported sync show the same behaviour. I get:

RPC request reserved 0 but used 32900
RPC request reserved 0 but used 32900
RPC request reserved 0 but used 96

and client stalls with a:

nfs: server router not responding, still trying
nfs: server router OK

at that time.

-- 
Jens Axboe


  reply	other threads:[~2004-05-15 10:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-15  8:38 Jens Axboe
2004-05-15  8:58 ` Jens Axboe
2004-05-15 10:36   ` Jens Axboe [this message]
     [not found]     ` <20040518040613.GB10633@fieldses.org>
2004-05-18 11:03       ` Jens Axboe

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