As I said, this has now become academic for me, but for the record: This is a 64 bit, not 32 bit system, and I'm running on Linux, not Windows and no app domains. -- View this message in context: http://mono.1490590.n4.nabble.com/Too-many-root-sets-tp4661307p4661550.html Sent from the Mono - General mailing list archive at Nabble.com.