Exactly the same topic just came up on the MSP430 Forum - so I shan't duplicate it all here:
http://e2e.ti.com/support/microcontrollers/msp430/f/166/p/258421/904551.aspx
Andy Neil said:They've been through this nonsense multiple times with Stellaris.http://e2e.ti.com/support/microcontrollers/msp430/f/166/p/180498/650567.aspx#650567