Martin Husemann wrote:
> On Mon, Jun 11, 2007 at 11:28:18AM -0400, Chris Ross wrote:
>>   Now, would booting a GENERIC.MP kernel give me anything of  
>> value?  ;-)  Is there anything useful I could provide to that effort  
>> without spending days learning about the hard-core internals of UPA  
>> and UltraSparc II processors?
> 
> Well, if you are able to use ddb, you can try ;-)
> 
> It should boot single user with no problems (with all cpus active), but then
> will die "soon". There are varying failure modes - last time I saw curlwp
> being NULL (which is impossible at this state in -current), and the kernel
> crashed dereferencing that NULL pointer.
> 
> Ddb mostly works ok, but the machine (at least for me) sometimes hangs
> if you go to the prom with the wrong cpu active.
> 
> Collecting various failure modes could be interesting.

Updating motd.
trap type 0x10: cpu 1, pc=1008e5c npc=1008e60 pstate=44820006<PRIV,IE>
kernel trap 10: illegal instruction
cpu0: kdb breakpoint at 1008ee4
cpu0 paused.
Stopped in pid 0.3 (system) at 0x1008e5c: done
db{1}>

HTH,
-- 
khorben