* Merge Andrea's priotree fix.
    * Add a debug configuration to i386. It's currently still disabled, but
      I verified it compiles. Some notes:
      - Config is based on bigsmp
      - I turned on ACPI debugging; it can be configured at runtime, so this
        is a no-brainer IMHO
      - I turned on debugging for some filesystems. Subject to debate ...
      - I turned all the hack support options on except for
        KDB modules which don't compile.
    
    Testers may want to have a look at ~garloff/Export/SLES9/