Date: Thu, 29 Oct 1998 19:36:31 +0800 From: Stephen Hocking-Senior Programmer PGS Tensor Perth <shocking@prth.pgs.com> To: Peter Wemm <peter@netplex.com.au> Cc: hackers@FreeBSD.ORG Subject: Re: The new bootloader - how do you set it up? Message-ID: <199810291136.TAA05338@ariadne.tensor.pgs.com> In-Reply-To: Your message of "Thu, 29 Oct 1998 14:38:40 %2B0800." <199810290638.OAA04511@spinner.netplex.com.au>
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Eureka - it works! Now for the modules.....
> Chuck Robey wrote:
> > On Wed, 28 Oct 1998, Mike Smith wrote:
> >
> > > > Can someone give me a pointer? I'm still running an a.out kernel on a sys
> tem
> > > > that was installed from a 3.0 snapshot CD and has been kept upto date via
> cvs
> > > > since.
> > >
[Deletia]
> I'll also mention that this is jumping in at the deep end. You can
> shortcut and do this: echo "/boot/loader" > /boot.config
> as an intermediate step and test that. This will cause the existing
> bootblocks to load the 3rd stage boot loader by default instead of
> /kernel - but you are not yet committed. You still have the old boot:
> prompt and can load /kernel.aout explicitly. The command that Mike has
> given puts the new boot *blocks* on the disk which are not strictly
> necessary to use the /boot/loader boot loader.
>
> You can actually test the new bootloader out by explicitly typing in
> /boot/loader at the existing boot: prompt.
>
> > Excuse me (I'm worried about doing something inordinately dumb), just to
> > verify, if I do that line above, after a buildworld/installworld, and
> > then build a new kernel with KERNFORMAT set to elf, and install it, I
> > should be running ok, right? All my newly regenned lkms will keep on
> > humming fine, same obj files that powered the aout kernel, right?
>
> If you build an ELF kernel, you throw out the lkm's. They are a.out only,
> because it depends on the a.out 'ld' command. Instead you can use the src/
> sys/modules stuff with kldload/kldunload and/or loading them at boot time
> via the /boot/loader command prompt or the /boot/loader.conf script.
>
> One of my machines has:
>
> peter@overcee[2:34pm]~src-240> cat /boot/boot.conf
> load kernel
> load nfs.ko
> autoboot 10
>
--
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