From: Bernd Schubert <bernd-schubert@web.de>
Subject: Re: NFS problems (kernel locks up)
Date: Fri, 21 Mar 2003 20:49:59 +0100
Sender: nfs-admin@lists.sourceforge.net
Message-ID: <200303212049.59152.bernd-schubert@web.de>
References: <20030319182241.GA9216@max.zg.iskon.hr>
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Cc: nfs@lists.sourceforge.net
To: Kresimir Kukulj <madmax@iskon.hr>
In-Reply-To: <20030319182241.GA9216@max.zg.iskon.hr>
Errors-To: nfs-admin@lists.sourceforge.net

> Some info about hardware:
> Dell PowerApp 200 with 2 x Pentium III (Coppermine), each 1GHz.
> 1Gb memory, with CONFIG_HIGHMEM4G=y.
> eepro100 ethernet
> ServerWorks chipset but nothing except CDROM is connected to it.
> ICP Vortex Hardware RAID model GDT8523RZ
> Driver for this (SCSI) controller is from 2.4.20 kernel (its pretty new).
> 5 FUJITSU MAJ3364MC 34Gb drives in RAID5 (4+hotfix).
> Filesystem is ext3 with journal=ordered.
>

We have a rather similar machine (well, without the raid and not from Dell) 
and with 2GB. Actually we had some trouble with the serverworks chipset and 
the memory.
The lockups you are describing are probably not nfs related, but due to your 
hardware. Try to update your bios, disable mtrr, agp, similar speed 
optimizing things in your kernel configuration. 
Run memtest86 (the full test), even if you have ECC.
If all of this still doesn't help, try to disable dual-cpu support.
As much as I know ext3 make more problems with nfs than reiserfs does, but 
this shouldn't cause the lockups

Hope it helps,
	Bernd


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