From: Jeff Garzik <jgarzik@pobox.com>
To: Sergey Vlasov <vsu@altlinux.ru>
Cc: Ivan G <g-i-v@rambler.ru>,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: DMA not works in Linux 2.6.12, but in Windows works fine.
Date: Mon, 23 May 2005 14:34:26 -0400 [thread overview]
Message-ID: <42922232.90206@pobox.com> (raw)
In-Reply-To: <20050523193010.5bf72481.vsu@altlinux.ru>
Sergey Vlasov wrote:
> To IDE developers: Is something planned to work around this problem?
> AFAIK, there are some machines where BIOS does not provide an option to
> turn off the combined mode.
This limitation exists because two drivers (drivers/ide and libata) want
to use different parts of the same hardware.
Once libata can do ATAPI 100%, when we can just let libata handle both
PATA and SATA, which will enable DMA again.
Jeff
next prev parent reply other threads:[~2005-05-23 18:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-23 10:25 DMA not works in Linux 2.6.12, but in Windows works fine Ivan G
2005-05-23 15:30 ` Sergey Vlasov
2005-05-23 18:34 ` Jeff Garzik [this message]
2005-05-24 16:21 ` Mark Lord
2005-05-23 20:52 ` Helge Pomorin
2005-05-23 21:04 ` Jeff Garzik
2005-05-25 16:14 ` Erik Slagter
2005-05-23 18:32 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2005-05-24 8:55 Ivan G
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