From: "Vladimir 'φ-coder/phcoder' Serbinenko" <phcoder@gmail.com>
To: The development of GRUB 2 <grub-devel@gnu.org>
Cc: Ron <theoneandonlyron@gmail.com>
Subject: Re: "error: invalid magic number" when booting from ISO loopback
Date: Wed, 05 Jan 2011 14:43:37 +0100 [thread overview]
Message-ID: <4D247589.101@gmail.com> (raw)
In-Reply-To: <1257008516.3149.45.camel@ron-desktop>
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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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prev parent reply other threads:[~2011-01-05 13:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-31 17:01 "error: invalid magic number" when booting from ISO loopback Ron
2009-10-31 17:30 ` Robert Millan
2009-10-31 18:55 ` Slow grub boot when /boot/grub is not on first partition Simon Wagner
2009-10-31 19:03 ` Vladimir 'phcoder' Serbinenko
2009-11-16 7:30 ` Felix Zielcke
2009-10-31 23:50 ` "error: invalid magic number" when booting from ISO loopback Ron
2009-11-01 7:53 ` Vladimir 'phcoder' Serbinenko
2009-11-01 14:37 ` Ron
2011-01-05 13:43 ` Vladimir 'φ-coder/phcoder' Serbinenko [this message]
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