K 10 svn:author V 10 nwhitehorn K 8 svn:date V 27 2009-07-30T17:36:13.427417Z K 7 svn:log V 211 Bring up PPC64 threading and DDB tracing, as well as fleshing out Mambo support with some bits from P4. Also fix a typo in aim/swtch.S that should be merged to head. We now boot until a WITNESS panic in the vm. END