nfsroot with kernel 3.X vs 4.X and kernel tftp options

[Thomas Lange]

>>>>> On Tue, 9 Oct 2018 12:03:24 +0200, Rémy Dernat <remy.d1 at gmail.com> said:

    > If I use a kernel 3.X (3.16.0-6-amd64) created with another fai server, my clients boot fine, but if I try to create a kernel 4.9.0-8, my clients
    > are always stuck in a "read only file system" error ( The exact error message is the same than this one: 
With the 3.x kernel FAI is using aufs as an kernel commandline
option. This activates the aufs (another overlay fs). 4.X does not
include aufs any more but instead is has overlayfs. The kernel cmdline
must be different. Please use fai-chboot for generating the pxe config
file.

-- 
regards Thomas