[bug #33501] can t boot on lvm volumes with pxe boot

[christian dare]

URL:
  <http://savannah.gnu.org/bugs/?33501>

                 Summary: can t boot on lvm volumes with pxe boot
                 Project: GNU GRUB
            Submitted by: christian_dare
            Submitted on: jeu. 09 juin 2011 13:40:19 GMT
                Category: Network
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: other
         Reproducibility: Every Time
         Planned Release: None

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Details:

Hi,
I ve compiled grub 1.99 on a debian squeeze without any problem.
I ve used grub-mknetdir to create necessary files to pxe boot grub.
My computer boots fine with pxe grub , i ve got the menu i ve defined ,
evething seems OK.

But i can t boot  my linux, grub can t see my lvm volumes.

I ve grub installed on the computer disk too with the same grub.cfg and if i
boot locally , it works.

Here what i ve done :

grub-mknetdir --net-directory=/tftpboot --subdir=pxegrub

configure dhcpd with filename "pxegrub/i386-pc/core.0";

create in pxegrub/i386-pc a grub.cfg like this :

menuentry 'Linux Sauvegarde/Restauration' --class debian --class gnu-linux
--class gnu --class os {
        insmod lvm
        insmod part_msdos
        insmod ext2
        set root='(lvmelec-boot)'
        linux   /vmlinuz-2.6.32-5-amd64 root=/dev/mapper/lvmelec-admin ro
        initrd  /initrd.img-2.6.32-5-amd64
}

After booting by pxe , on a grub console ,here what i see even after inserting
biosdisk lvm ext2 part_msdos modules:
grub>ls
(hd0) (hd0,msdos2) (hd0,msdos1) (pxe)

No lvm volumes

After booting locally, i have that in grub console :
grub>ls
(lvmelec-admin) (lvmelec-swap) (lvmelec-boot) (hd0) (hd0,msdos2) (hd0,msdos1)
I can see the lvm volumes !

I ve tried this to include the modules in core.0 but it s the same result :
grub-mknetdir --net-directory=/boot --subdir=pxegrub --modules=lvm
--modules=ext2 --modules=biosdisk --modules=normal --modules=part_msdos

Is there something bad in my method ? something missing ?

cheers,












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