From: Jeff Garzik <jgarzik@pobox.com>
To: Edward Broustinov <edichka@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Can't activate dma on ide/sata under 2.6.5/9 + Intel E7520 chipset
Date: Wed, 22 Dec 2004 15:18:01 -0500 [thread overview]
Message-ID: <41C9D679.70209@pobox.com> (raw)
In-Reply-To: <641bfad604122201527736eca6@mail.gmail.com>
Edward Broustinov wrote:
> Hi,
> hdparm -d1 /dev/hda (or /dev/sda) returns "HDIO_SET_DMA failed:
> Operation not permitted" on both disks.
> Is it possible that there's no (full?) support for ICH5-R in those kernels?
> The motherboard is Intel SE7520BD2, exact kernel versions which were
> tried are:
> 2.6.9-1.667smp #1 SMP Tue Nov 2 15:09:11 EST 2004 x86_64 x86_64 x86_64
> GNU/Linux (FC3 64bit)
> 2.6.5-1.358smp #1 SMP Sat May 8 09:28:14 EDT 2004 x86_64 x86_64 x86_64
> GNU/Linux (FC2 64bit)
>
> 2.4.21/22 (RH9) and 2.6.7* (AS3.0) do not show this problem on the board.
>
> Does anybody have any idea/patch/hack?
If you are using libata (/dev/sdX), then DMA is unconditionally enabled.
Jeff
next prev parent reply other threads:[~2004-12-22 20:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1103708275.570197.31660@z14g2000cwz.googlegroups.com>
[not found] ` <20041222094014.B5A1E5F727@attila.bofh.it>
2004-12-22 9:52 ` Can't activate dma on ide/sata under 2.6.5/9 + Intel E7520 chipset Edward Broustinov
2004-12-22 20:18 ` Jeff Garzik [this message]
2004-12-23 11:06 ` Edward Broustinov
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