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Re: XFS "freezes" on AMD systems

To: Matthias Klose <doko@xxxxxxxxxxxxxxx>
Subject: Re: XFS "freezes" on AMD systems
From: Chris Wedgwood <cw@xxxxxxxx>
Date: Wed, 25 Sep 2002 00:58:44 -0700
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <15761.27018.659158.237109@gargle.gargle.HOWL>
References: <15761.27018.659158.237109@gargle.gargle.HOWL>
Sender: linux-xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.4i
On Wed, Sep 25, 2002 at 09:45:14AM +0200, Matthias Klose wrote:

> When unpacking large tarballs or copying data bigger than 20MB on a
> XFS file system, the system seems to freeze for about three to five
> seconds

[...]

> but only on Athlon/Duron based systems, both using IDE drives. I
> don't see this type of freeze on a Celeron based system.

At a guess...

What IDE chipset?  I would guess the chipset used on the Duran/Athlon
systems isn't using DMA for IDE transfer but rather PIO.

hdparm(8) may help here, or you may beed to recompile the kernel with
different IDE chipset support[1].



  --cw


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