It had stopped (don't know why). Since yesterday, after a big update, I have got these on auth.log every minute:
Dec 18 17:03:01 tucano CRON[3228265]: PAM unable to dlopen(pam_systemd.so): /lib/security/pam_systemd.so: cannot open shared object file: No such file or directory Dec 18 17:03:01 tucano CRON[3228265]: PAM adding faulty module: pam_systemd.so -- Francesco Potortì (ricercatore) Voice: +39.050.621.3058 ISTI - Area della ricerca CNR Mobile: +39.348.8283.107 via G. Moruzzi 1, I-56124 Pisa Skype: wnlabisti (gate 20, 1st floor, room C71) Web: http://fly.isti.cnr.it
