Finally found what changed. I updated /etc/fstab to have /proc mounted with hidepid=2,gid=sudo for added security. This works perfectly on 16.04 but totally breaks on 17.10.
To recap: mounting /proc with "nodev,noexec,nosuid" works but adding "hidepid=2,gid=sudo" breaks.
Finally found what changed. I updated /etc/fstab to have /proc mounted with hidepid=2,gid=sudo for added security. This works perfectly on 16.04 but totally breaks on 17.10.
To recap: mounting /proc with "nodev, noexec, nosuid" works but adding "hidepid= 2,gid=sudo" breaks.