From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Michael Bueker <m.bueker@berlin.de>
Cc: linux-ide@vger.kernel.org
Subject: Re: DMA errors with HTP370 IDE in <= 2.6.18.2
Date: Tue, 09 Jan 2007 15:42:23 +0300 [thread overview]
Message-ID: <45A38DAF.6020408@ru.mvista.com> (raw)
In-Reply-To: <45A2A0AC.1050203@berlin.de>
Michael Bueker wrote:
> In the controller's setup utility, I can choose access modes. If i
> switch it from UDMA5 to PIO0, the only difference during boot is:
PIO0 is outrageously slow, use PIO4 (very slow as well but at least
somewhat faster). Anyway, this won't help with Linux...
>> ide2: BM-DMA at 0xa000-0xa007, BIOS settings: hde:pio, hdf:pio
> instead of
>> ide2: BM-DMA at 0xa000-0xa007, BIOS settings: hde:DMA, hdf:DMA
You should specify the option ide=nodma to the kernel to disable IDE core
from using DMA.
> Please help me getting DMA to work with this controller.
For starters, please try the driver from 2.6.20-rc1 and (if that doesn't
help) from the -mm tree. I rewrote it and it's working OK on at least my HPT370...
> Thanks in advance,
> ~Mik
WBR, Sergei
prev parent reply other threads:[~2007-01-09 12:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-08 19:51 DMA errors with HTP370 IDE in <= 2.6.18.2 Michael Bueker
2007-01-09 12:42 ` Sergei Shtylyov [this message]
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