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From: "Cagle, John" <John.Cagle@COMPAQ.com>
To: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
Subject: RE:  Compaq proliant ML-350 - IDE & SCSI
Date: Sat, 7 Apr 2001 21:15:05 -0500 
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On 04/07/2001 21:55:53, Alexandru Barloiu Nicolae wrote:
> I am trying to use the DMA on the ide drives. After the reboot Dma is
> enabled but if I don't disable it with hdparm the system freezes at heavy
> work (copy something from a drive to the other). The SCSI works ok.
Without
> the DMA the system barely moves
>
> <SNIP>
>
> Any ideas what's wrong?

Which kernel version are you using?  The OSB4 ide driver prior to version
2.4.2-ac27 causes problems on SMP servers.  You may want to try a more
recent kernel or remove the OSB4-specific driver and use the standard
IDE/ATA driver instead.

Regards,
John Cagle
Principal Member Technical Staff
ProLiant Servers, Compaq
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