Kallol Biswas writes: > mr r6,r3 > 1: dcbst 0,r3 > addi r3,r3,L1_CACHE_LINE_SIZE > bdnz 1b > > The instruction takes a store fault (DST bit, bit 8 of ESR gets > set), kernel panics with oops (signal 11). What processor are you using? Which instruction takes a store fault? Paul.