ruby on rails - Segfault on Mongrel_Rails start -

When I start mongrel_rails for my application, I get the following error:

 < Code> / system / library / framework / ruby Framework / Version / 1.8 / USR / BB / Rabbi / Ratna / 1.8 / Ratna / Mongar-1.1.1 / BB / HP11. Bundle: [Bug] Segmentation mistake Ruby 1.8.7 (2010- 06-23 Patchleval 29 9) [ I686-darwin10]  

I am walking through Snow Leopard and Ruby, Rail, and PostGreySQL 8.4 Macports.

Update: Even if I

To do this, Sudo This command on this current machine