> I got this panic when I am trying to boot OpenBSD 4.5/sparc64. > The installation was painful, the system panic with cdrom access, http > access, and only worked with the ftp install by network :( > > I read the documentation and set security-mode, but it does not work.
On a few sparc64 machines, with specific models of cdrom drives, we hit a race in the ide driver, probably related to the cruddy chipset Sun uses. We've hunted for it but we can't find the bug yet. You could try -current. As a bonus, the install is way easier.