On Fri, Jan 12, 2007 at 01:55:19AM -0500, the carlos wrote:
> Greetings all.  Long-time reader, first time poster.
> 
> I can't seem to get my Silicon Image SI-3114 sata controller
> (satalink driver) to play nicely with the 3ware 9550SX-8-LP (twa) in
> netbsd 3.1 amd64.  If I disable one or the other in the BIOS, the
> lone device works fine*.  Everything works* in 3.0 (presumably
> because there is no twa driver) and the 4.0beta LiveCD.  If both are
> enabled under 3.1, I get a "fatal protection fault in supervisor
> mode" hang, and the system reboots.
> 
> My motherboard is a Tyan Thunder K8S-D Pro (S2882-D).
> 
> with the recently patched 3.1 GENERIC kernel, I have a few moments to
> capture dmesg, etc. before the following comes up.
> with the recently patched 3.1 GENERIC.MP kernel, the following comes
> up instantly, then reboots.
> 
> fatal protection fault in supervisor mode
> trap type 4 code 38b rip ffffffff8043e01b cs 8 rflags 10206 cr2
> 52f000 cpl 7 rs
> p ffff800046cabe00
> panic: trap
> syncing disks... satalink0:1:0: lost interrupt
> 	type: ata tc_bcount: 16384 tc_skip: 0

Do you have ddb compiled in your kernel, and ddb.onpanic set to 0 ? 
Having a stack trace from ddb would be usefull here.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--