Re: pci powerstate related: aac(4) broken on Perc 3/Di on -CURRENT

From: Wilkinson, Alex (alex.wilkinson_at_dsto.defence.gov.au)
Date: 01/10/05

  • Next message: Scott Long: "Re: pci powerstate related: aac(4) broken on Perc 3/Di on -CURRENT" 
    Date: Mon, 10 Jan 2005 12:30:15 +1030
To: freebsd-current@freebsd.org

        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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  • Next message: Scott Long: "Re: pci powerstate related: aac(4) broken on Perc 3/Di on -CURRENT"

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