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root device for linux when booting from eltorito-cd

From: Armin Herbert
Subject: root device for linux when booting from eltorito-cd
Date: Wed, 22 Sep 2004 12:51:44 +0200
User-agent: KMail/1.6.2


I created a bootable CD with grub 0.95 according to 
which works fine so far (can boot the kernel).

In menu.lst, I need to specify a root device to the linux kernel, but 
the CD should be bootable from any device.

Can't grub give the kernel a hint? Why isn't it possible to make this:

root (cd)                       # works of course
kernel /vmlinuz root=(cd)       # (cd) is substituted with the device name

It would be very _very_ nice if this worked, because if it did, I 
wouldn't need to build an initrd. :-)

Thanks for hints in advance,


Armin Herbert

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