I've asked this question in the past and just havn't been able to get an
answer with a solution, or if I can even do what I want to do so I'm
going to throw it out here again.
I have a QEMU/KVM environment with flat disk images, no partitioning, no
MBR, just a ext filesystem. These instances are not all the same and are
running different OS's (RHEL, Ubuntu, etc). I'm wanting to boot these
instances using grub, it's configs, and modules from the disk just the
way it would if grub was installed onto the disk. So far I've been
building grub images using grub-mkimage -O i386-pc -o grub.img biosdisk
ext2 normal -p '(hd0)/boot/grub' and using the -kernel option with QEMU.
This does work but not always. There are some situations where i'm
seeing errors like this.
unaligned pointer 0x684355af
Aborted. Press any key to exit.
The reason I want to load grub, it's modules, and config from the disk
is that distributions like redhat have decided to create modules like
blscfg that are not part of grubs core and I need my grub image to load
those from the disk so that the instance boots correctly.
Can I do what I'm wanting to do? If so, how? I don't want to have to
build a bunch of grub versions to match each OS.
--
Shaun Reitan
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