On Fri, Jul 09, 2010 at 12:43:22AM -0700, Chris Rhodin wrote: > tip22: IP22 Linux tftpboot loader 0.3.8.6 > Loading program segment 2 at 0x88002000, size = 0x218000 > Zeroing memory at 0x8821a000, size = 0x365b0 > Starting kernel; entry point = 0x881e0040 > Copied initrd from 0x88aab190 to 0x88251000 (0x1d5ce2 bytes) > > Exception: <vector=Normal> > Status register: 0x30044803<CU1,CU0,CH,IM7,IM4,IPL=???,MODE=KERNEL,EXL,IE> > Cause register: 0x30008010<CE=3,IP8,EXC=RADE> > Exception PC: 0x88124c74, Exception RA: 0x881f61b0 > Read address error exception, bad address: 0x2a > Local I/O interrupt register 1: 0x80 <VR/GIO2> > Local I/O interrupt register 2: 0xc8 <EISA,SLOT0,SLOT1> > Saved user regs in hex (&gpda 0xa8740e48, &_regs 0xa8741048): > arg: a8740000 881dffe0 882505ac 88000000 > tmp: a8740000 2 887fe378 887fe4cc 0 8 887fe7d4 881e0040 > sve: a8740000 3 400000 8000000 16 3f80 0 c000000 > t8 a8740000 t9 fffff7ff at bfefff7f v0 ffbff5ef v1 fff71fbf k1 500 > gp a8740000 fp fefbfeff sp fffdffff ra feeffff7 > > PANIC: Unexpected exception > > It looks like the kernel is loading at 0x88002000 which is more than > 128MB away from the beginning of kseg0. Yes and that's correct. Memory doesn't always start at address zero! Ralf