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Date:      Thu, 28 Aug 2003 18:57:04 +0200
From:      Mark Huizer <freebsd@dohd.org>
To:        Mark Huizer <freebsd@dohd.org>
Cc:        Soren Schmidt <sos@spider.deepcore.dk>
Subject:   Re: ATAng no PIO fallback?
Message-ID:  <20030828165704.GB8309@eeyore.local.dohd.org>
In-Reply-To: <20030828164321.GA8309@eeyore.local.dohd.org>
References:  <200308281040.15343.mistry.7@osu.edu> <200308281447.h7SElu27025585@spider.deepcore.dk> <20030828164321.GA8309@eeyore.local.dohd.org>

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> For the kernel before ATAng:
>    see dmesg.beforeATAng
> 
> For a small list of DMA according to Windows XP
>    see dmesg.windows
> 
> I'm still looking how I can get it to boot with a kernel after ATAng.
> It fails with "ad0: WARNING: READ_DMA ICRC warning" or something like
> that.
> 
With ata_dma and atapi_dma set to zero I can boot the box (hey, that's
as expected :-).

acpi_cpu: throttling enabled, 16 steps (100% to 6.2%), currently 100.0%
ad0: 117246MB <Maxtor 6Y120L0> [238216/16/63] at ata0-master PIO4
ata1-slave: FAILURE - ATA_IDENTIFY status=51<READY,DSC,ERROR>
error=4<ABORTED>
acd0: CDRW <PHILIPS CDRW4012P> at ata1-master PIO4
Mounting root from ufs:/dev/ad0s2a

So the DVDROM drive is missing.

Mark



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