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[bug #29873] GRUB2 - can't read the 'grub' dir from /boot-partition at a

From: Eugene
Subject: [bug #29873] GRUB2 - can't read the 'grub' dir from /boot-partition at a "cold" start
Date: Thu, 27 May 2010 06:37:29 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; ru; rv: Gecko/20100401 Ubuntu/9.10 (karmic) Firefox/3.5.9

Follow-up Comment #7, bug #29873 (project grub):

Reply to https://savannah.gnu.org/bugs/index.php?29873#comment3

The method of proof by contradiction.

Assume that the FS (in the first partition of sda, sizeof(sda1) = 64 Mb)
places directory /grub after the Limit, and BIOS can't read after this Limit.

With this assumption, the following statements are true:
- Limit is less than 64 Mb
- At the beginning of boot of linux from /dev/sdb directory /grub on
/dev/sda1 moves below the Limit and becomes readable
- At the powering off directory /grub on /dev/sda1 is moved above the Limit
and becomes unreadable


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