Yes. I’ve done it. Booted 4.7.3 and shutdown, everything worked properly: a black screen and after few seconds the computer was off. Then I’ve booted 4.8.1 and tried again: a black screen, a openmandriva splash screen that lasts (maybe) forever.
Maybe my poor english let it misunderstood. The computer does not turn off if I boot it with kernel 4.8.1 (as it still does with kernel 4.7.3) and use regular
$/bin/systemctl poweroff -p
but, as I said in the first message, it does shutdown if I, as root, do
As you’ve probably noticed you keep having problems no one else does. Also you have a complicated and unusual graphics setup. Now that you know how to get your graphics to work I’d consider a fresh install and see if that doesn’t minimize problems.
I did it three times. The third attempt, I uninstall kernel 4.8.1 and reinstalled it since simple urpmi --replacepkgs refuse to change some inits. But it did not change the picture. It does shutdown properly with kernel 4.7.3 and not with new kernel 4.8.1.
I’ll file a bug on it because it can be something that one could figure out how to improve the distro. Although nobody else seems to have this problem, I don’t believe I am so different …