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Date: Wed, 20 Dec 2000 19:29:50 +0000 (GMT)
From: Rob Adamson <r.adamson@hotpop.com>
To: Robert H?gberg <robho956@student.liu.se>
cc: linux-kernel@vger.kernel.org
Subject: Re: Extreme IDE slowdown with 2.2.18
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On Wed, 20 Dec 2000, Robert H?gberg wrote:

> I'm having problems with the performance of my harddrives after I
> upgraded my kernel from 2.2.17 to 2.2.18.
> The performancedrop is noticable on every IDE drive.

[snip]
> Does anyone know what could be wrong? Have I forgot something? Is this a
> known problem with the 2.2.18 kernel?

Is DMA enabled on the hard drives?
Did you turn on "Use DMA by default" in the kernel configuration?
Did you compile in DMA support (if needed)?

What is the output of "hdparm /dev/hda /dev/hdb /dev/hdc" ?


Rob Adamson.

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