help, system reboot everyday after panic

[dioworld]

savecore: [ID 570001 auth.error] reboot after panic: BAD
TRAP: type=31 rp=2a10007d490 addr=de98 mmu_fsr=0 occurred in module "genunix" d
ue to an illegal access to a user address


This is what i got from /var/adm/messages
i'm running solaris 8 on a ultra 60
anyone got clue how to resolve this? is it hardware or software problem?

 

[Phrazz]

Sounds like hardwware. Did you use adb to examine the kernel dump? What are you doing (to the system) or what is going on when this occurs?