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Boot BitDefender Rescue ISO from USB mystery

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BitDefender seems to have changed and is now Knoppix/Gentoo based (I think)

 

The following menu works but only if the drive is formatted as FAT32 (not NTFS)

title BitDefender Rescue CD (FAT32)\n Boot from BitDefender ISO
set /p ask=Do you want manually set the VGA Mode (Y/N) ?
if /i "%ask%"=="Y" set ask=vga=ask || set ask=
echo
partnew (hd0,3) 0x0 $HOME$/bitdefender-rescue-cd.isomap $HOME$/bitdefender-rescue-cd.iso (0xff)
map --hook
root (0xff)
set SQUASH=/rescue/livecd.squashfs
set common=root=/dev/ram0  real_root=/dev/loop0 loop=%SQUASH% cdroot_marker=%SQUASH% initrd udev cdroot scandelay=2
set silent=quiet splash
set silent=
set lang=en
debug on
errorcheck on
kernel /boot/kernel.i386-pc %common% %silent% lang=%lang%
initrd /boot/initfs.i386-pc

Note that this destroys the 4th partition on your USB drive - so be careful if testing it!

 

The thing is, this menu does not work on an NTFS drive and I cannot understand why not!

Once the initrd is loaded, it should find the CDFS on partition 4 of the USB drive and load the squashfs - but it doesn't if the boot partition is NTFS.

 

I don't see what difference it makes if the partition 1 of the USB drive is FAT32 or NTFS ???

 

P.S. This ISO does not boot straight from Easy2Boot (i.e. using partnew to make a CDFS partition and then booting directly from the ISO - this works for most other ISOs, but not this one).

 

 

Anyone any ideas?

 

 

 

 

 

 


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