Public bug reported:
/etc/init/systemd-logind.conf contains the following:
# only start if PAM module is actually available, not if libpam-systemd is
# removed but not purged
[ -e /lib/*/security/pam_systemd.so ] || { stop; exit 0; }
Which is a wrongly written script. It assumes that there is at most one file
matching the wildcard. It is not true in my system.
If your system have both libpam-systemd:amd64 and libpam-systemd:i386 then:
# ls /lib/*/security/pam_systemd.so
/lib/i386-linux-gnu/security/pam_systemd.so
/lib/x86_64-linux-gnu/security/pam_systemd.so
and you get the following:
# cat /var/log/upstart/systemd-logind.log
/proc/self/fd/9: 4: [: /lib/i386-linux-gnu/security/pam_systemd.so: unexpected
operator
systemd-logind stop/pre-start, process 2462
systemd-logind does not start at all. This causes many bad things to
happen later.
There are many ways to fix this. For my purposes I removed the faulty
line from the file. I don't know what is the expected behaviour. Maybe
this one:
ls /lib/*/security/pam_systemd.so &> /dev/null || { stop; exit 0; }
This bug might be the root cause of other bugs. Like this one: #1372187 (and
#1377727)
My system info:
# lsb_release -rd
Description: Ubuntu 14.04.1 LTS
Release: 14.04
# apt-cache policy libpam-systemd
libpam-systemd:
Installed: 204-5ubuntu20.7
Candidate: 204-5ubuntu20.7
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1382510
Title:
systemd-logind upstart script is flawed
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