Hello, My zImage hangs immediately after executing the 'mtmsr' instruction in the arch/ppc/boot/head.S file. li r3, 0 mtmsr r3 isync This is in the very beginning of the zImage, where it uncompresses the actual image. Can some one help me out. Thanks in advance. -- Siva ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/