[pkg-apparmor] Bug#884278: prevent deinstallation of boot-critical package

[Vincas Dargis]

On Wed, 13 Dec 2017 14:19:13 +0100 Joachim Wuttke <j.wuttke at fz-juelich.de> wrote:
> > How did you draw the conclusion that this system
> > hang was caused by deinstalling the apparmor package?
> 
> After the Grub chooser, on default boot mode, I got
> a black text screen, then one line, saying that /dev/sdb1
> was clean, then nothing more happened.

I have failed to reproduce it on Sid VM using Linux 4.14.0-1.

Maybe some daemon needs AppArmor for some reason and breaks boot.

Could you check what packages on your system have installed have shipped AppArmor
profile, and so maybe causing the issue, like this:

dpkg -S /etc/apparmor.d/

Thanks!