From: "Rico Tudor" <rico-linux-kernel-2004@patternassociates.com>
To: dwoods@fastclick.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Problems with DMA on IDE/ServerWorks/Seagate.
Date: 15 Jul 2004 08:15:19 -0000 [thread overview]
Message-ID: <20040715081519.17203.qmail@patternassociates.com> (raw)
>Date: Wed, 14 Jul 2004 17:16:14 -0700
>From: "Dave Woods" <dwoods@fastclick.com>
>...
>We have diagnosed a problem (file corruption) using Ultra DMA & IDE with
>
>ServerWorks OSB4 Chipset and Seagate drives under heavy disk I/O.
>...
This chipset has buggy IDE DMA.
I maintain several boxes with OSB4 and IDE devices (HD, CDR-W, DVD-RW).
Best solution is using an add-on card (e.g. Promise Ultra66 card).
Otherwise, I found two configurations that always work: multi-device,
and single-device. In multi-device, operate all devices in PIO -
no exceptions! In single-device, meaning the other three interfaces
are unused, you can safely enable MW-DMA Mode 2.
next reply other threads:[~2004-07-15 8:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-15 8:15 Rico Tudor [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-07-15 0:16 Problems with DMA on IDE/ServerWorks/Seagate Dave Woods
2004-07-15 10:24 ` Bartlomiej Zolnierkiewicz
2004-07-15 13:11 ` Jeff Garzik
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