>  > DIOCGDINFO: No such file or directory
>  
>  Hmm, sys/arch/sgimips/stand/sgivol/sgivol.c rev 1.9 has been pulled up
>  to netbsd-2 but rev 1.10 is not, then it causes the problem:
>  http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/arch/sgimips/stand/sgivol/sgivol.c#rev1.10

Could you try the attached kernel?
http://www.ceres.dti.ne.jp/~tsutsui/netbsd/netbsd-INSTALL32_IP3x.gz

If it works I'll send a pullup request.
---
Izumi Tsutsui