On 30/11/17 18:45, solitone wrote:
The only other suspect I have is apparmor, which was installed in a recent security update. But can this be the reason?
Yes. For example: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882043 Kind regards, -- Ben Caradoc-Davies <ben@transient.nz> Director Transient Software Limited <http://transient.nz/> New Zealand