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Date:      Fri, 11 Dec 2009 09:45:32 +0100
From:      "Johan Hendriks" <>
To:        "Graeme Dargie" <>
Subject:   RE: FreeBSD and ACHI driver
Message-ID:  <57200BF94E69E54880C9BB1AF714BBCBA5735D@w2003s01.double-l.local>
References:  <01FB8F39BAD0BD49A6D0DA8F7897392904F750@Mercury.galaxy.lan.lcl>

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>Hello List

>Having upgraded to FreeBSD 8.0 everything is running fine, I decided to
>try the ahci_load=3D"YES" in /boot/loader.conf=20

>The first machine was fine after a reboot,=20

>Aside from different motherboards in the machines, the machine that is
>not working is has 2 x 3bay icy dock hot swap bays. Does anyone have
>clues as to why this is happening?





on the First machine the ahci driver detects the drives hence the
ada[0-9] interfaces.
It looks like on the other machine that ahci did not find the drives,
there are stil called ad[0-9]=20

Ahci sees the drives as ada as the normal ata driver sees them as ad

Maybe you will need to go into the BIOS of the second machine and enable


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