You should try GAG, I use it to dual-boot a windows/openbsd box. it will allow for installation of several OSes...
http://gag.sourceforge.net/ On Wed, May 6, 2009 at 19:37, Nick Holland <n...@holland-consulting.net> wrote: > Feifei (7I7I) wrote: >> Hi, guys, >> >> I just install the OpenBSD 4.5, but my grub configuration can't boot it. >> Before that, I use OpenBSD 4.2, it is a new installation, not upgrade. > ... >> It works well with the OpenBSD 4.2, >> >> But , if I use it to boot 4.5, I only get a error : >> Starting up ... >> Loading ... >> ERR M > > man biosboot > will tell you what the error means. > http://www.openbsd.org/faq/faq14.html will show you how > the boot process works. B I'm going to assume you read that > before I expect you to understand this: > > short version: the PBR read something, but it wasn't /boot. > > I'm not a grub expert, but obviously the PBR you are running > isn't the one that OpenBSD put into place. B Some boot loaders > do silly things like store a copy of the real PBR somewhere > they think is cool, and when you reinstall the OS, the stored > PBR doesn't get replaced when the real one is. B So now you have > the old PBR reading ...something other than /boot > > If you replace your grub boot loader with a normal MBR and flag > the OpenBSD partition as active, I bet the system will boot just > fine. > > Alternatively, do whatever voodoo you need to do to tell grub > there is a new PBR for it to use. > > Nick.
