ewww.  this just happened on the console:

login: isp0: Internal FW Error @ RISC Addr 0x3aab
isp0: Ultra Mode Capable
isp0: Board Revision 1040B, loaded F/W Revision 7.55
isp0: Last F/W revision was 5.57

fatal kernel trap:

    trap entry = 0x3 (instruction fault)
    a0         = 0x3
    a1         = 0xfffffc0000dd0144
    a2         = 0xc
    pc         = 0xfffffc0000dd0140
    ra         = 0xfffffc0000dd0140
    curproc    = 0xfffffc0000e3e988
        pid = 123, comm = update

panic: trap
Stopped in update at    Debugger+0x4:   ret     zero,(ra)
db> 

and there it sits for now. :)

	Sean.