From: Tejun Heo <htejun@gmail.com>
To: Marc Zuckman <marc@fallon.classyad.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: Problem setting dma using pata_it821x driver in vanilla 2.6.23.12 and gentoo-sources 2.6.23-r3
Date: Wed, 09 Jan 2008 11:43:16 +0900 [thread overview]
Message-ID: <478434C4.5000209@gmail.com> (raw)
In-Reply-To: <200801051734.18088.marc@fallon.classyad.com>
Hello,
Marc Zuckman wrote:
> I recently compiled gentoo-sources-2.6.23-r3 and subsequently vanilla
> 2.6.23.12 , but could not get hdparm v 7.7 (or earlier) to set my it8212f
> controlled raid array to use dma.
>
> From past experience, I have learned that my raid 1 array (using the it8212f
> raid controller present on my Gigabyte motherboard ) will not function
> properly unless it is set to use dma with hdparm. As a result, I execute
> hdparm -d1 /dev/hde in both the Gentoo boot and ordinary run levels. The
> system has worked fine with multiple 2.6.x kernels. The last kernel that I
> have successfully used is 2.6.20-gentoo-r7 (gentoo-sources).
hdparm -d1 isn't supported (yet). pata_it821x will configure DMA
automatically.
> I have checked linux kernel archives several times and have posted this
> problem on gentoo forums, but have not been able to find similar reports.
>
> Perhaps related, but I doubt it, are boot messages that I initially received
> about disabling speeds > udma 33 due to failure to detect proper cabling on
> the host side of several ide interfaces (more details unfortunately vague).
> My cabling is definitely proper. I haven't noted the cabling messages with
> recent boot attempts with the problem kernels and I think (not 100% sure)
> they were abolished by using the "OBSOLETE" lilo boot loader append
> commands "ide0=ata66, ide2=ata66"
Can you post full boot log?
--
tejun
next prev parent reply other threads:[~2008-01-09 2:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-05 22:34 Problem setting dma using pata_it821x driver in vanilla 2.6.23.12 and gentoo-sources 2.6.23-r3 Marc Zuckman
2008-01-09 2:43 ` Tejun Heo [this message]
2008-01-10 13:02 ` Marc Howard Zuckman
2008-01-10 13:17 ` Tejun Heo
2008-01-11 3:00 ` Marc Howard Zuckman
2008-01-11 3:11 ` Tejun Heo
2008-01-13 5:12 ` Marc Howard Zuckman
2008-01-13 5:36 ` Tejun Heo
2008-01-13 5:59 ` Marc Howard Zuckman
2008-01-13 6:37 ` Marc Howard Zuckman
2008-01-12 14:42 ` Bartlomiej Zolnierkiewicz
2008-01-13 5:39 ` Marc Howard Zuckman
2008-01-13 6:01 ` Tejun Heo
2008-01-13 13:12 ` Alan Cox
2008-01-13 15:18 ` Marc Howard Zuckman
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