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Date:      Fri, 28 Feb 2003 20:09:24 -0800 (PST)
From:      Shizuka Kudo <shizukakudo_99@yahoo.com>
To:        Bruce Cran <bruce@cran.org.uk>, current@freebsd.org
Subject:   Me Too: HPT372 UDMA detection problem on current (was Re: High % interrupt when building world)
Message-ID:  <20030301040924.31545.qmail@web11405.mail.yahoo.com>
In-Reply-To: <20030228153820.GA3020@fourtytwo.brucec.backnet>

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--- Bruce Cran <bruce@cran.org.uk> wrote:
> 
> Just to add to this, when I run the above 'dd' command, I see top reporting 35-40% interrupt
> usage on the drive on the RAID controller, while it's
> 3-5% for the drive on the VIA controller, and the drive itself is:
> 
> 0 READY ad4: 58644MB <IC35L060AVER07-0> [119150/16/63] at ata2-master UDMA100
> 
> Bruce Cran
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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I have "sysctl -a" showing "hw.ata.ata_dma: 1", but "atacontrol mode" showing "PIO4" for the
drives attached to HP370A. Setting them to mode "udma6" was just ignored.

regards,

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