Qubes 3.2 installation on Lenovo Thinkpad P51

[sw...@petaramesh.org]

Hi there,

I'm trying to install Qubes 3.2 on a Lenovo Thinkpad P51, and I know
that some have succeeded.

But so far my issue is very basic : I can't get the installer to start
in GUI mode, as X11 fails starting, falling back to the text installaer
mode which is known to be bugged and unusable (it complains about having
no disk encryption key provided).

I'm about sure that all I need is a boot option to add to the kernel
parameters, but googling the group archives didn't help.

Any clue ?

TIA.

Kind regards.