On the Linux side, I only ever use Jack as well, often in combination with Ardour (which causes more Jack problems than PD ever did!)
Rock solid, but I'm also running everything sudo or root when performing.
YMMV. d.
Derek Holzer wrote:
But that said, when I want to do *serious* PD work, I do it on Linux anyway, where I get almost double the power from the same machine as with OS X.