From: Jeff Garzik <jgarzik@pobox.com>
To: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: DMA problems with ICH5 in ATA mode
Date: Wed, 08 Dec 2004 11:26:06 -0500 [thread overview]
Message-ID: <41B72B1E.5050307@pobox.com> (raw)
In-Reply-To: <62697744-490D-11D9-90F0-000D932A43BC@karlsbakk.net>
Roy Sigurd Karlsbakk wrote:
> hi
>
> I have a disk connected to one of the below controllers in ATA mode, but
> I can't enable DMA on it. Intel ATA support is in kernel, but when
> hdparm -d1 /dev/hdc I get the following (extracted from strace)
>
> write(4, " HDIO_SET_DMA failed: Operation "..., 46 HDIO_SET_DMA failed:
> Operation not permitted
You either need to (a) disable legacy (combined) mode, (b) use piix
rather than generic IDE driver, or (c) enable libata for your SATA.
Jeff
prev parent reply other threads:[~2004-12-08 16:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-08 11:36 DMA problems with ICH5 in ATA mode Roy Sigurd Karlsbakk
2004-12-08 16:26 ` Jeff Garzik [this message]
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