the problem is that CMM can't acces the compute modules. in events the following error messages ca be found: component unfit, sensor 70h error.
the server have 4 modules : 2 with 2 E5530 processor and 2 with X5550 .
Have you updated the system firmware to 3.0?
This will allow your system to detect the new Nehalem based compute module MFS5520VI.