> 
> vm_fault(1e2000, 404000, 1, 0) -> 1
>    type 8, code [mmu,,ssw]: 402074d
> trap type 8, code =3D 402074d, v =3D 404c3c
> pid =3D 2040, pc =3D 00052054, ps =3D 2008, sfc =3D 0001, dfc =3D 0001
> Registers:
> 
>              0        1        2        3        4        5        6     =
>    7
> dreg: 00000000 FFFFFFFF 00000000 00000000 00000099 00000099 00000400 0000=
> 001F
> areg: 00610600 00404C00 0080D82C 0080D874 00648100 01DA3E40 01DA3E28 0DFF=
> F080
> 
> [...]
> 
> panic: MMU fault
> Stopped at    _Debugger+0x6:   unlk     a6
> db>
We've had this kind of trouble before. It turned out to be flakey RAM. I don't
know _exactly_ what kind of hardware is on the caTTamaran board (maybe you
can tell me? ), but it seems to make your ram unstable. 

Leo.