fai 4.0.5: dracut boot ends with kernel panic

[Thomas Lange]

    >>> I'm trying to use dracut in FAI 4.0.5 on a wheezy 64bits server, and the initial boot on nfsroot quickly goes into kernel panic:
    >>> 
    >>> [   11.578824] dracut: Mounted root filesystem a.b.c.d:/srv/fai/wheezy/nfsroot-amd64
    >>> [   11.581213] aufs: module is from the staging directory, the quality is unknown, you have been warned
    >>> [   11.582117] aufs 3.2-20120827
    >>> warning: can't open /etc/fstab: No such file or directory
    >>> [   12.010629] aufs test_add:261:mount[366]: uid/gid/perm /live/image 65534/65534/0755, 0/0/01777
    >>> [   12.015811] type=1702 audit(1358959337.356:2): op=follow_link action=denied pid=371 comm="ls" path="/sysroot/initrd.img" dev="aufs" ino=149
    >>> [   12.015995] type=1702 audit(1358959337.356:2): op=follow_link action=denied pid=371 comm="ls" path="/sysroot/vmlinuz" dev="aufs" ino=165
    >>> /init: 42://lib/dracut/hooks/pre-pivot/50mount-usr.sh: cannot open /sysroot/etc/fstab: No such file
    >>> [   12.260523] dracut: Switching root
    >>> pcbind: rpcbind terminating on signal. Restart with "rpcbind -u"
    >>> switch_root: failed to execute /sbin/init: Not a directory
    >>> [   12.262090] Kernel panic - not syncing: attempting to kill init!

JFTR:
This is also described in
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=676883#10

-- 
regards Thomas