> I test both kernel on my Quadra950, But both kernel are stoped
> 
> mrg: a super wd 0xa087 OS #0x87 addr 0x0
> unknown OS trap 0xa087 no trap address available
> mrg_aline_super()
> 
> This is ADB part.
> If you would like to know How it work SCSI driver, Please Skip or use another
> method for ADB.
> Only netbsd.9.26 kernel which made by John P. Wittkoski last year recognize
> ADB device on my Quadra950.

If you have the means, please try a serial console boot on your machine.  
This should avoid the ADB problems, and perhaps Allen can see how well 
his driver works.

Later.

-- 
Colin Wood                                      ender@is.rice.edu
Consultant                                        Rice University
Information Technology Services                       Houston, TX