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Possible Duplicate:
GRUB: “invalid arch independent ELF magic” after install on SSD

I am currently trying at get a dual boot computer to work, where the Ubuntu 12.04 operating system is spread over two drives.

The setup of the two drives are:

HDD:
/dev/sda1 /boot/efi
/dev/sda2 some unknown msftres at 128MB (don't bother about this as long as the rest works)
/dev/sda3 Windows 7
/dev/sda4 /home
/dev/sda5 swap
/dev/sda6 /tmp
/dev/sda7 /var

SSD:
/dev/sdb1 /

In an attempt to combine speed with SSD durability. That might be a topic in itself, but for now I would be very happy just to get the grub bootloader to work.

When booting at either HDD or SSD, I get this error:

error: invalid arch independent ELF magic.
grub rescue>
karel
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Peter
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  • Unlike the above, where / and /boot were on separate partitions, yours is all on /dev/sdb1, is that correct? Are you booting from the hard disk or from the SSD? – John S Gruber Oct 14 '12 at 15:31

2 Answers2

2

I had the same problem “invalid arch independent ELF magic”.

I was installing from a USB stick booted from the Bios in UEFI mode.

After a couple a couple unsuccessful reinstallation of 12.04,I tried the same installation with the the USB stick booted without the UEFI mode and it works.

For your information my setting on a 120GB SSD

sda1 /windows 90 GB windows 7 64bits

sda2 /boot 100 MB

sda5 swap 1 GB

sda6 / 18GB ubuntu 12.04

sda7 /home 8GB

My motherboard is P8P67 Pro with Asus EZbios and I had two choices in my boot menu for the USB with 12.04 installation.

Hope it helps!

Snoopy
  • 61
  • Fixed the elf arch magic problem for me. The installer then failed with migration assistant but that's separate. – kikixx May 06 '12 at 13:40
1

I have fixed the same problem with Backtrack on VMware the boot was broken after installing vmware tools.

I used the following commands :

sudo mount /dev/sda1 /mnt

then

sudo grub-install --root-directory=/mnt /dev/sda
jokerdino
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dr_ggm
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