Russell Gadd (russ.mail.li...@gmail.com on 2011-05-14 07:18 +0100):
> One of my operating systems (a version of Debian Squeeze) is now
> refusing to boot. It just shows a black screen with the 2 words GRUB
> GRUB in the top left hand corner. I wonder if anyone has seen this
> sort of behaviour before?
I've never had it display "GRUB GRUB" before, but a single "GRUB" is a
regular occurrence on my systems (well, for several values of "regular"
at least).

I've seen it happen when grub's stage2, which is located after the
bootsector, gets corrupted somehow, e.g. by some partitioning tools. A
re-invocation of grub-install (hdX) should solve the issue.

Nowadays, all my disks are GPT partitioned, which allows a special "BIOS
Boot Partition" (type ef02 I think) as a more structural way to solve
this issue.


Regards,
Arno


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