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Date: Thu, 29 Sep 2005 21:08:26 +0300
From: Pertti Kosunen <pertti.kosunen@pp.nic.fi>
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To: Jeremie Le Hen <jeremie@le-hen.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: ATA/DMA problem after reboot
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Jeremie Le Hen wrote:
> I tried to disable APIC, S.M.A.R.T, IDE DMA Burst, IDE Block Mode.
> I don't know what the last one does, but anyway, nothing corrected
> my problem.
> 
> Other suggestions are welcome.

Try slower ata mode.

cat /etc/rc.local
#!/bin/sh
atacontrol mode ad0 UDMA66
atacontrol mode ad4 UDMA66
atacontrol mode ad5 UDMA66
atacontrol mode ad6 UDMA66