Bug#614348: grub-legacy: won't boot but reboots computer (workaround)

[auil at usp.br]

I would like to comment a related issue (and a workaround) similar to the reported in: 

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=614348 

Having already installed Debian squeezy (stable) on /dev/sda1, I installed Debian wheezy (testing) on /dev/sda2. 

The grub-legacy of Debian wheezy is only installed on the boot sector of the partition /dev/sda2, but *not* on the MBR of the disk (sda). 

Therefore, at boot time, I use the (squeezy) grub at MBR to chainload to /dev/sda2: 

grub> chainloader (hd0,1)+1 
grub> boot 

Then, appears the grub shell of /dev/sda2, I mean just the shell, but not the menu, as expected. In this case, I enter the "kernel" and "initrd" info, but when I enter "boot", the computer reboots. 

However I discover the following workaround. When appears the grub shell of /dev/sda2, do not enter kernel and initrd info, but the commands: 

grub> root (hd0,1) 
grub> configfile /boot/grub/menu.lst 

Then the menu appears and you can boot the system as usual. 

I do not know which is the issue, neither because this fix works. But I tested many times and always works. 

Regards, 

Fernando Auil 

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