Date: Mon, 10 Jan 2005 12:30:15 +1030 From: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au> To: freebsd-current@freebsd.org Subject: Re: pci powerstate related: aac(4) broken on Perc 3/Di on -CURRENT Message-ID: <20050110015842.GA24213@squash.dsto.defence.gov.au> In-Reply-To: <41DDC29F.9000002@freebsd.org> References: <20041223123621.GB17515@eddie.nitro.dk> <41CADACC.9050607@freebsd.org> <20050106131327.GE801@zaphod.nitro.dk> <20050106.134852.41638084.imp@harmony.village.org> <41DDC29F.9000002@freebsd.org>
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0n Thu, Jan 06, 2005 at 03:58:39PM -0700, Scott Long wrote:
>It should be noted that WinXP tried to get fancy in a similar way with
>automatic powerdown of devices, and broke these PERC devices in a
>similar way. Due to restrictions of the MS driver framework, the only
>solution that Adaptec could use was to modify the firmware to make the
>bridge be opaque. This solved the issue of the OS seeing devices that
>belong to the firmware, but made it impossible to run the controller in
>split-channel mode, where one channel is for RAID and the other channel
>is pure SCSI.
Scott, what is meant by "...to make the bridge be opaque." ?
- aW
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