On Wed, 26 Nov 2008, Mark E Mason wrote: > Data bus error, epc == 803ef178, ra == 80017030 > Oops[#1]: > Cpu 0 > $ 0 : 00000000 1000a800 fffd9000 00000001 > $ 4 : 810a6000 fffd9000 810a6f00 fffd9000 This is a load from 0(a1) which is 0xfffd9000 and which looks suspicious. You can investigate code at epc to see why it is happening. Maciej