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Re: Oopses during heavy IDE IO

To: Seth Mos <knuffie@xxxxxxxxx>
Subject: Re: Oopses during heavy IDE IO
From: Steve Lord <lord@xxxxxxx>
Date: Sun, 11 Feb 2001 12:15:38 -0600
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: Message from Seth Mos <knuffie@xs4all.nl> of "Sun, 11 Feb 2001 19:06:03 +0100." <4.3.2.7.2.20010211185113.040d4188@pop.xs4all.nl>
Sender: owner-linux-xfs@xxxxxxxxxxx
We are not having a good day here in XFS land!

> hi,
> 
> I have a machine at work which is a PIII 450 with 128MB ram and a 15GB IDE 
> disk that will oops on the moment That I am trying to write large amounts 
> of data on a samba share.
> The samba share is located on /home which is a XFS partition most of the 
> times it happens about the time that the system runs out of ram buffer (eg 
> 100MB) and then oopses mentioning swapper.

Samba itself does not do anything special - it just does writes to push
data out. Are you using kio or kiocluster in the mount options?
 
> 
> 2.4.0-XFS (before 2.4.1 merge) does boot and takes the punishment with ease.
> Unfortunately I can not send the oops because:
> - The file is on the disk there.
> - The machine is currently displaying another oops
> - I can not reboot it on untill tommorow when I get to work.
> 
> I can also trigger a oops using the Eicon Diva server which it contains.
> The drivver is lost after sending a fax. Open minicom on the isdn device.
> Modem init goes OK and as soon as I type atdt 000 and enter it oopses.
> Although the oops says swapper is involved I don't see the link.
> These are things that started happening after the 2.4.1 merge.
> This machined has been rock stable for the past testing period.

This problem has got to be a generic linux problem - not xfs (I hope).

> 
> Sarcastic side Note: This $1800 desktop machine with samba beats a $10.000 
> dell poweredge 2400 with twice the amount of ram and disk space with raid 
> 10 on 4 18GB 10KRPM disks. ... by a factor of 5 that is using the 2.4.0-XFS 
> kernel.

Can you elaborate on this - is this an XFS is slower than yyy or is this a
dell is slower than xxx?

And now the baby monitor is calling, I have to go be 'da da' ;-)

Steve


> Now my boss is not happy anymore (concerning NotToday)
> 
> Bye
> --
> Seth
> Has anybody seen my lightbulb?
> I _really_ need some light here.



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