It seems that AppArmor may activate during kernel (linux-image) update because it is one of dependencies.
Dňa 11. 9. 2019 o 9:18 Philipp Pilhofer napísal(a): > Am 02.01.19 um 09:39 schrieb Carsten Schoenert: >>> The only things I don't understand, how was AppArmor enabled, and how >>> was it working for years until the last update of kernel/TB/whatever; I >>> have symlinked home dir for long time now... Could be that only the last >>> TB update enabled it? >> very very unlikely. We are in the middle of an ESR release and thus the >> packaging typically itself isn't changing much. >> The code responsible for this wasn't touched for over year now. But we >> won't get new information on this what really did happen on your system. >> Only if it is reproducible we would see if and were something is maybe >> broken and not correctly working. >> > After updating from stretch to buster, I did have exactly that problem. After > longer testing I found > it's apparmor. I never used apparmor at all or activated anything, so I don't > know how this happened. > > Switching off the profile as described here > (https://help.ubuntu.com/community/AppArmor) made it > work again. Is this the way to go or is there anything else I have to take > care of? > > > Thank you very much, > Philipp > > > >