I cant stop at the break point !

[lonelobo]

hello every one! when I debug the u-boot with bdi2000 ,I set the break point at the 
board_init_r but it cannot stop there. I do this as fellow: 1.symbol-file 
2.add-symbol-file u-boot address 3.b board_init_r 4. c  The address is which u-boot reloaded itself to.I get the addrees by printing before u-boot relocated. what's more,IT can stop when I set the hard break point there! please help me !thanks!
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