[U-Boot] Continuos reboot in u-boot 1.3.4

Hi I am using u-boot 1.3.4 ( got from atmel) on AT91SAM9G20 , If enable the ethernet related code in the u-boot ( drivers etc) the board starts resetting again and again continuously without giving any error message. Please somebody tell me what type of mistakes ( coding errors ) make the boa

Re: [U-Boot] USB not working with 4.3.2 gcc compiler in u-boot 1.1.5

Thanks You are correct if i use u-boot 1.3.0 with this 4.3.2 compiler, usb works fine. we have done a lot of customization on u-boot 1.1.5 and it will take a lot of time to do those changes to the new u-boot 1.3.0. can u please tell me what compiler related change is done in the new u-boot