Re: "error: invalid magic number" when booting from ISO loopback

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 10/31/2009 06:01 PM, Ron wrote:
> This entry fails silently and when the commands were executed one by one
> the linux command shows the error message "error: invalid magic number".
>
>   
This can be caused by BIOS cutting last sectors of the disk to make it
appear to have C/H/S geometry of some kind. Can you compare "ls -l" from
GRUB shell and
grub-fstest /dev/sdX ls -- -l
especially compare the total sector count in both cases.
> A short google search gave me the following similar bug report but no
> solution:
>
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=543924
>
>   
This was on ext2 and the cause were triple indirect blocks



-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko

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