wimboot 2.1+ from pxelinux

[BitBub]

I have been using wimboot with pxelinux (6.02) for a few months with great success. Never had an issue with v1.0.6 or more recently v2.0.

However, if I update to 2.1 or 2.2.2, I can no longer boot wim files. The bootloader and wim load fine, but then I get a 'Unrecognized argument error' (see screenshot).



My menu entry looks like this:

Code:

LABEL winpe
    MENU LABEL WinPE
    COM32 linux.c32
    APPEND wimboot initrdfile=winpe/bootmgr.exe,winpe/bcd,winpe/boot.sdi,winpe/boot.wim

If I downgrade to wimboot v2.0, I can immediately boot to WinPE again.

Did the required arguments or order of them recently change, or I am doing something wrong?

Thanks.