Comment # 1 on bug 1096775 from Knut Alejandro Anderssen Gonz�lez

(In reply to Jason Mader from comment #0)
> I use the following options in grub.cfg on installation media to start
> autoinstallation,
> 
> splash=verbose autoyast=usb:///CTRL/ instmode=http netsetup=dhcp
> language=en_US textmode=1 mem=4g
> 
> And in the autoyast file, just have,
> 
>   <bootloader><global><append>plymouth.enable=0</append>
> 
> But, rather unexpectedly found that AutoYaST is also adding "instmode=http
> mem=4g" to the installed system grub.cfg.
> 
> I would think that the <append/> should override everything from the
> installation media grub.cfg. At the very least it should strip
> 'instmode=http'.

https://susedoc.github.io/doc-sle/develop/SLES-autoyast/html/configuration.html#CreateProfile.Bootloader.globals

The append will add the kernel parameters at the end of the boot entries, so it
looks like the expected behavior.