[pca] PCA goes interactive

[Martin Paul]

Hi Andrew,

> fixed! Our DNS proxy was broken and couldn't resolve sunsolve.sun.com. Now
> the proxy is fixed automated downloading of patches works just fine.

DNS problems was what I wanted to suggest to look at, after seeing this 
error in your debug output:

   Resolving sunsolve.sun.com... failed: node name or service name not 
known.

Good to hear that it's working again - and that it wasn't a fault in PCA :)

Martin.