From: Kresimir Kukulj <madmax@iskon.hr>
Subject: Re: NFS problems (kernel locks up)
Date: Fri, 21 Mar 2003 23:54:21 +0100
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References: <20030319182241.GA9216@max.zg.iskon.hr> <200303212049.59152.bernd-schubert@web.de>
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To: Bernd Schubert <bernd-schubert@web.de>
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Quoting Bernd Schubert (bernd-schubert@web.de):
> > 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

Thanks for replying. I will try your advice.
Next time it crashes, I will use same kernel but without support for:
mtrr, SMP, HIGHMEM, IDE ATA subsystem compiled in as they are not really
essential. Unfortulately, server is in semi production/testing faze, so I
cannot use memtest86 for now.

-- 
Kresimir Kukulj                      madmax@iskon.hr
+--------------------------------------------------+
Old PC's never die. They just become Unix terminals.


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