===== 01 BUK CPU BUS KUSEG | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000400

cpu/bus kuseg past 512MB
lw  7FFAF614: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lhu 7FFAF614: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lbu 7FFAF614: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lw  20000000: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lhu 20000000: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lbu 20000000: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lw  40000000: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lhu 40000000: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lbu 40000000: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lw  7FFFFFFC: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lhu 7FFFFFFC: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
lbu 7FFFFFFC: exception 7, reg 5A5A5A5A, badvaddr 00000400 to 00000400
Done.