Re: Kernel sometimes (!) not loading module
Sorry for not answering - I had to make sure my solution works, and so far it does.
Thank you very much for your help. It seems that the problem is not with nouveau, as it was not solved by blacklisting it. The problem is that ubuntu pre-loads the driver vga16fb in order to enable plymouth graphical boot.
sudo gedit /etc/modprobe.d/blacklist.conf
And added the following lines:
And now my system behaves, although with textual booting sequence.