It does only work with ulsata2.device atm, so with a sata2-pci-card.
On any other device, the GUI is ghosted. I wrote the tool for ulsata2
and released some infos so other device-drivers may also support
a simple SMART-interface in the futue...

I wasn't able to reproduce the problems you mentioned,
but maybe something is messed up here...

Edit: Please post the list of devices running in your system.
Open a shell an type: "devlist >ram:post.txt"