On 14.02.2013 16:05, Phillip Susi wrote: > I recently had an incident that reminded me that while the grub rescue > shell is better than nothing when there's a problem, it often isn't > enough to troubleshoot and work around the error. These days most > disks start the first partition at 1 MiB, so there is no need to keep > the core.img slim and trim, so it would be really nice to throw all of > the modules in there, so you can have a fully functional grub to help > troubleshoot when things go wrong. > > Now I realize that I can manually build a ramdisk image to contain all > modules, and pass that to grub-mkimage, but then as soon as grub is > updated, and grub-install is re-run automatically, my changes would be > wiped out. > > So I think what needs to happen is for grub-install to grow an > --everything option where it would build the ramdisk and attach it > automatically. Additionally there needs to be a conf file or > something where this could be enabled so that it will be applied when > grub is updated. It may also be nice to have this enabled by default > when the embed area is detected to be large enough. > > Thoughts?
GRUB diskboot.S runs in real mode. No way it can load more than ~512K
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