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Unable to specify root options

Hi list,

I seem to be unable to specify root mount options with etherboot etherboot 5.04
and mknbi 1.2. I want the kernel to mount root fs with options


so i call mknbi-linux with

mknbi-linux --rootdir=/tftpboot/%s,v3,rsize=16384,wsize=16384 \
	--ip=dhcp bzImage > diskless.sys

Looking into diskless.sys shows: root=/dev/nfs nfsroot=/tftpboot/%s,v3,rsize=16384,wsize=16384 ip=dhcp..

However, when i boot the client, its cmdline reads:

rw root=/dev/nfs nfsroot=/tftpboot/%s,v3,rsize=16384,wsize=16384 ip=dhcp

Who appends the second nfsroot=... ? Is this done by etherboot? Can i disable this?

It used to work w/ older etherboot/mknbi but my new Tyan Tiger board seems only
to work with newer etherboot.

Thanks in advance,


Heinrich Rebehn
                          "Have disk - will travel"
University of Bremen
Physics / Electrical and Electronics Engineering
- Department of Telecommunications -

Phone : +49/421/218-4664
Fax   :            -3341

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