In reference to question GUI/Unity crashing in 16.04 LTS after updates 2018-01-04, compiz segfaults I want to add more information:
The referenced problem occured on my dad's laptop, and applying the trick from above's answer helped - but only for a day. Today I got another phone call and after logging in to the machine I saw this "-lowgfx" suffix had magically re-appeared in that file.
So, I edited it out again, and then did:
sudo chattr +i ~/.config/compiz-1/compizconfig/config
which I hope it will prevent that lowgfx from slipping in again.
