Adaptec 7805H drivers

Ian Lepore ian at
Sun Apr 19 22:36:00 UTC 2015

On Mon, 2015-04-20 at 09:53 +1200, Phil Murray wrote:
> Hi,
> I have a few Adaptec 7805H HBA cards which FreeBSD doesn’t support natively. However Adaptec have provided binary drivers for FreeBSD 9.2 (9.3 and 10.x support sadly absent).
> The problem I have is with the GENERIC kernel the compiled in ahd driver tries to attach to the controller and fails. This prevents the pmspcv (Adaptec binary) driver from working.
> I’d like to keep using GENERIC for freebsd-update etc., so is there a way I can stop the ahd driver from trying to attach without rebuilding the kernel? Perhaps change their priority or precedence somehow?
> Is porting the open source Linux driver to FreeBSD a possibility? 
> Cheers
> Phil

Try setting hw.ahd.0.disabled=1 in /boot/loader.conf.

-- Ian

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