[systemd-devel] Running "systemd --user" and creating a new session

[Иван Шаповалов]

Hi all,

Recently I've attempted to switch my user session to "systemd --user". The
configuration is pretty simple - no multiseat, nothing special.
I start the user session with provided "user at .service" with some
modifications:

--- /usr/lib/systemd/system/user at .service 2013-05-30 16:55:28.000000000
+0400
+++ /etc/systemd/system/user at .service 2013-06-07 03:46:27.158435556 +0400
@@ -13,11 +13,14 @@
 User=%I
 PAMName=systemd-shared
 # in order to allow MEM_CG features to work, add "memory:/" here
-ControlGroup=%R/user/%U.user/shared cpu:/
+# note to myself: cpu:/ has been removed due to running a -ck kernel
+ControlGroup=%R/user/%U.user/shared
 ControlGroupModify=yes
 Type=notify
 ExecStart=-/usr/lib/systemd/systemd --user
+Environment=XDG_RUNTIME_DIR=/run/user/%U
 Environment=DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/%U/dbus/user_bus_socket
+Environment=SHELL=%s

 [Install]
 Alias=user@%i.service
--

This modified unit works (almost) as expected, however, everything that is
started under that systemd instance does _not_ get its own session.
For example, $XDG_SESSION_ID is empty and there are no new records
in output of 'loginctl list-sessions'.

So, a question: is this the desired behavior, and, if yes, how can I create
a session manually?

systemd version:
systemd 204
+PAM -LIBWRAP -AUDIT -SELINUX -IMA -SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ

Distribution is Arch Linux.

Thanks,
Ivan.
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