Hello Rene, On Sun, Nov 26, 2017 at 11:16:57PM +0100, René Seindal wrote: > Hi Carsten, > > On 2017-11-23 21:02, Carsten Schoenert wrote: > > > You have installed apparmor. Have you tried to disable the AppArmor > > profile for Thunderbird and check for the further existence of the issue? > > > > $ sudo aa-disable /etc/apparmor.d/usr.bin.thunderbird > > This resolved everything. > > I had no idea apparmor was installed and active - I had never heard of it > before.
AppArmor is a Recommends in recents kernel versions in unstable and testing, so if you don't have disabled the installations of recommended packages you will get apparmor now without extra interaction. The installation of Recommends is the default. Regards Carsten