gpg-agent keeps running after session logout if the user chose to not launch GNOME services on session startup (Settings Manager > Session and Startup > Advanced).
thad@local:~$ loginctl list-sessions
SESSION UID USER SEAT
c17 1001 bob seat0
c19 1000 thad seat0
2 sessions listed.
$ ps -u bob
PID TTY TIME CMD
16903 ? 00:00:00 gpg-agent
$ ps aux | grep bob
bob 16903 0.0 0.0 6464 332 ? Ss 17:10 0:00 /usr/bin/gpg-agent --sh --daemon --write-env-file /home/bob/.cache/gpg-agent-info
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xfce4-session 4.10.1-3ubuntu3
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
Uname: Linux 3.13.0-5-generic i686
NonfreeKernelModules: fglrx
ApportVersion: 2.13.2-0ubuntu2
Architecture: i386
CurrentDesktop: XFCE
Date: Thu Jan 30 19:05:09 2014
InstallationDate: Installed on 2013-09-21 (131 days ago)
InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Alpha i386 (20130920)
SourcePackage: xfce4-session
UpgradeStatus: Upgraded to trusty on 2013-11-08 (83 days ago)
gpg-agent keeps running after session logout if the user chose to not launch GNOME services on session startup (Settings Manager > Session and Startup > Advanced).
thad@local:~$ loginctl list-sessions
SESSION UID USER SEAT
c17 1001 bob seat0
c19 1000 thad seat0
2 sessions listed.
$ ps -u bob
PID TTY TIME CMD
16903 ? 00:00:00 gpg-agent
$ ps aux | grep bob .cache/ gpg-agent- info
bob 16903 0.0 0.0 6464 332 ? Ss 17:10 0:00 /usr/bin/gpg-agent --sh --daemon --write-env-file /home/bob/
ProblemType: Bug ature: Ubuntu 3.13.0-5.20-generic 3.13.0 dules: fglrx
DistroRelease: Ubuntu 14.04
Package: xfce4-session 4.10.1-3ubuntu3
ProcVersionSign
Uname: Linux 3.13.0-5-generic i686
NonfreeKernelMo
ApportVersion: 2.13.2-0ubuntu2
Architecture: i386
CurrentDesktop: XFCE
Date: Thu Jan 30 19:05:09 2014
InstallationDate: Installed on 2013-09-21 (131 days ago)
InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Alpha i386 (20130920)
SourcePackage: xfce4-session
UpgradeStatus: Upgraded to trusty on 2013-11-08 (83 days ago)