On 20.06.2012 02:57, Bernie Innocenti wrote: > (adding bug-grub@) > > Hello, > > I've created an md root partition on a couple of drives and installed > grub in the master boot record the usual way: > > mount --bind /dev /newroot/dev > mount --bind /sys /newroot/sys > mount --bind /proc /newroot/proc > chroot /newroot > grub-install /dev/sda > grub-install /dev/sdb > exit > # umount everything and reboot > > After this, the machine won't boot off the new drives. It will simply > hang with a black screen after the POST, when the grub menu would > normally come up. It looks almost like the mbr can't locate the blocks > to load next. >
Do you see "GRUB" or "Welcome to GRUB" messages? > I also tried booting off a USB stick and using --boot-directory from the > live distro rather than chrooting. I also tried specifying '(hd0)' and > '(hd1)' instead of the device nodes. > > This is grub_1.99-21ubuntu3.1 on Precise. The md is raid1 with metadata > 0.90 and the filesystem is ext4 with the flex_bg and uninit_bg features. > Could you try latest upstream bzr? Ubuntu decided that it's unestethic to show progress messages and removed them making it impossible to handle problem like yours. > I used this trick a million times with all versions of grub and this is > the first time I observe such behavior. Any ideas? > -- Regards Vladimir 'φ-coder/phcoder' Serbinenko
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