To the attention of Andy and Mac (with many thanks for having
considered my problem).
This is how the things go.
I installed LFS-6.8 on a notebook HP Pavilion dv6215ea with i386 dual
core CPU. My situation at the moment is the following:
(1) 500 GB HD partitioned so to have Windows 7 (reserved) in the first
partition, Windows 7 (OS) in the second, LFS in the third, Ubuntu 11.4
in the fifth, ArchLinux in the sixth, and one 2 GB swap in the
seventh;
(2) ArchLinux and Ubuntu do have grub2 perfectly recognizing every OS
I put in the HD, so that I can easily use the grub2 that, at the
moment, is installed on the MBR, to boot also LFS;
(3) On the contrary, LFS doesn't succeed to read any OS but itself;
(4) According to your suggestions I added to /usr/etc/grub.d/40_custom
the menuentry for "Windows 7", but it is not recognized because I
haven't any /usr/etc/default/grub file that grub-mkconfig requests to
act on /usr/etc/grub.d/ files to generate /boot/grub/grub.cfg. This is
the problem!
(5) But also if I manually modify grub.cfg introducing the new
menuentry (and, obviously, I don't use grub-mkconfig), nothing
changes.
Could there be a bug in the tarball of grub? I don't think it
possible, since the other OSs do use grub2 successfully (one in the
1.98, the other in the 1.99 version).
So I think I have mistaken some passage during LFS building.
That is all.
Again many thanks for your courtesy, kindness and tolerance towards a
newbie. I do appreciate very much.
giocitta
2011/8/17 Andrew Benton <b3n...@gmail.com>:
> On Tue, 16 Aug 2011 12:46:46 -0500
> Mike McCarty <mike.mcca...@sbcglobal.net> wrote:
>> Andrew Benton wrote:
>> > You don't need to reinstall grub. If it's working Ok and you can boot
>> > into LFS then just edit grub.cfg to make an entry for windows,
>> > something like this:
>> >
>> > menuentry "Windows" {
>> > set root=(hd0,1)
>> > chainloader +1
>> > }
>>
>> Back when I was making a dual boot system, this didn't work
>> for me. I had a machine which "wanted" the Windows Boot Manager
>> to be in control of boot. Fortunately, the Windows Boot Manager
>> is actually a reasonable piece of software, and I was able to
>> configure it to load GRUB for me.
>>
>> What you suggest may work in most circumstances, and it's the
>> solution I usually see, but it is not a universal solution.
>
> I didn't suggest it was a universal solution. Windows XP likes to be on
> the first partition of the first disk. On this computer I've set the
> BIOS with my linux disk as the first disk and Windows XP on the second
> disk. So to make windows think it's on the first disk I have to make
> grub lie to it ans tell windows that it's on the first disk so the
> windows entry in my grub.cfg looks like this:
>
> menuentry "Windows XP" {
> set root=(hd1,1)
> drivemap -s (hd0) ${root}
> chainloader +1
> }
>
> However the original poster said he was using windows 7 which can be
> installed on any partition which is why I didn't put this in my
> original reply.
>
> Andy
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