Subject: Re: grub and amd64.. issues?
To: Manuel Bouyer <email@example.com>
From: Garrett D'Amore <Garrett.Damore@Sun.COM>
Date: 07/02/2007 13:08:05
Manuel Bouyer wrote:
> On Sun, Jul 01, 2007 at 11:33:46PM -0700, Garrett D'Amore wrote:
>> In short: is it possible to get grub to directly boot an amd64 kernel
>> without going through the chainloader?
>> Here's why I need to do that.
>> I'm trying to test a kernel to which I've added LSI SAS support to the
>> mpt driver. This is on hardware to which I have remote console and
>> power, but no direct access. The hardware has 8GB RAM, and therefore
>> cannot boot an i386 kernel. It already has the grub that comes with
>> Solaris installed. (Its a Sun x4200.)
>> I don't have access to the DHCP server, nor to the server where the grub
>> menu.lst file is loaded. I do however have root access to other
>> machines on the same subnet, so I can set up an alternate TFTP or NFS
>> server (not DHCP!)
>> As far as I know, there are no physical removable storage, and in fact
>> the only mass storage on the system is the mpt-connected SAS drives
>> (which I need my newly modified driver to access!)
>> I do have access to the local ufs filesystem, which has Solaris
>> installed on it.
>> What I'd love to be able to do is something like:
>> grub> root (hd0,0,a)
>> grub> kernel /netbsd
>> (or kernel --type=netbsd /netbsd)
>> grub> boot
>> The problem is that the kernel command doesn't seem to like amd64 files.
>> Is there something I can do to work around this, without having to ask
>> someone to change hardware around for me?
> An i386 kernel should work on a box with 8G, it just will see only
> about 3Gb. It may not be what you expect, but it should be a solution
> to start working on the patches :)
No, it panics with start > end in uvm_load_physpage.