Bug#801354: libpam-systemd: breaks lightdm: Failed to create session: Connection timed out

[Vincent Lefevre]

Package: libpam-systemd
Version: 227-1
Severity: serious

After the upgrade to systemd packages 227-1, I get various timeouts
with lightdm:

[...]
Oct 09 02:57:45 zira systemd[1581]: run-rpc_pipefs.mount: Mount process exited, code=exited status=1
Oct 09 02:57:45 zira systemd[1581]: Failed unmounting /run/rpc_pipefs.
Oct 09 02:57:45 zira umount[1587]: umount: /boot: umount failed: Operation not permitted
Oct 09 02:57:45 zira umount[1588]: umount: /dev/hugepages: umount failed: Operation not permitted
Oct 09 02:57:45 zira umount[1589]: umount: /sys/kernel/debug: umount failed: Operation not permitted
Oct 09 02:57:45 zira umount[1591]: umount: /run/rpc_pipefs: umount failed: Operation not permitted
Oct 09 02:57:45 zira umount[1590]: umount: /dev/mqueue: umount failed: Operation not permitted
Oct 09 02:57:45 zira umount[1593]: umount: /proc/sys/fs/binfmt_misc: umount failed: Operation not permitted
Oct 09 02:57:56 zira ModemManager[1054]: <info>  Creating modem with plugin 'Generic' and '1' ports
Oct 09 02:57:56 zira ModemManager[1054]: <warn>  Could not grab port (tty/ttyS0): 'Cannot add port 'tty/ttyS0', unhandled serial type'
Oct 09 02:57:56 zira ModemManager[1054]: <warn>  Couldn't create modem for device at '/sys/devices/pci0000:00/0000:00:16.3': Failed to find primary AT port
Oct 09 02:57:57 zira ntpd[797]: peer 195.154.189.15 now valid
Oct 09 02:57:58 zira ntpd[797]: peer 91.194.60.128 now valid
Oct 09 02:58:02 zira ntpd[797]: peer 62.210.85.244 now valid
Oct 09 02:58:03 zira ntpd[797]: peer 195.154.10.80 now valid
Oct 09 02:58:03 zira ntpd[797]: peer 195.154.216.35 now valid
Oct 09 02:58:03 zira ntpd[797]: peer 195.154.216.44 now valid
Oct 09 02:58:04 zira ntpd[797]: peer 212.47.239.163 now valid
Oct 09 02:58:10 zira lightdm[1578]: pam_systemd(lightdm-greeter:session): Failed to create session: Connection timed out
[...]
Oct 09 02:58:28 zira umount[1665]: umount: /run/rpc_pipefs: umount failed: Operation not permitted
Oct 09 02:58:53 zira lightdm[1640]: pam_systemd(lightdm:session): Failed to create session: Connection timed out
Oct 09 02:58:53 zira lightdm[1267]: ** (process:1640): WARNING **: Failed to open CK session: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.ConsoleKit was not provided by any .service files
[...]

In short, it takes 25 seconds for the login screen to appear, and
again 25 seconds just after login, to get my X session. This is a
major regression.

-- System Information:
Debian Release: stretch/sid
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.2.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages libpam-systemd depends on:
ii  dbus            1.10.0-3
ii  libacl1         2.2.52-2
ii  libc6           2.19-22
ii  libcap2         1:2.24-12
ii  libgcrypt20     1.6.3-2
ii  liblzma5        5.1.1alpha+20120614-2.1
ii  libpam-runtime  1.1.8-3.1
ii  libpam0g        1.1.8-3.1
ii  libseccomp2     2.2.3-2
ii  libselinux1     2.3-2+b1
ii  systemd         227-1
ii  systemd-sysv    227-1

libpam-systemd recommends no packages.

libpam-systemd suggests no packages.

-- no debconf information