Description of problem: In Fedora 20 (systemd 208 + GNOME 3.10 + GDM 3.10), I'm observing a strange behaviour in my multiseat system. When a user logs in at non-seat0 seat, its session is no longer activated automatically. I need to activate it manually by running "loginctl activate <user-session-id>". I've observed that, when my system boots, gdm greeter sessions in both seat0 and non-seat0 seats are active, as expected. However, when a user logs in at non-seat0, its session remains inactive. If I activate manually the user session and log him out, now the greeter session becomes inactive. If a user logs in once again, now its session becomes active automatically. Shortly, it seems my system fails to switch safely from an active greeter session to an active user session and vice-versa. It only switches correctly from an inactive session to an active one. This problem does not happen in Fedora 19 (systemd 204 + GNOME 3.8 + GDM 3.8). It also disappears when I replace GDM with KDM (with Fedora multiseat patches), which seems not to open greeter sessions. Version-Release number of selected component (if applicable): Fedora 20 systemd 208 GNOME 3.10 GDM 3.10 How reproducible: Always Steps to Reproduce: 1. Boot Fedora 20 (GNOME) (greeter session is active) 2. Log in at a non-seat0 seat (it starts an inactive user session) 3. Run "loginctl activate <user-session-id>" (user session becomes active) 4. Log out (greeter session now becomes inactive) 5. Log in once again (user session now is active) 6. Log out once again (greeter session is inactive again) 7. Log in one more time (user session is active) 8. And so on... Actual results: Expected results: Additional info:
I can confirm this problem. However, it also occurs on my multi-seat setup with seat0. This is problematic as inactive sessions require authentication from policykit to do just about anything (mounting usb, shutting down, ...) Just to clarify, here is some output from loginctl root@localhost ~> loginctl SESSION UID USER SEAT c1 42 gdm seat0 c2 42 gdm seat2 9 1000 toon seat0 3 sessions listed. root@localhost ~> loginctl show-session c1 Id=c1 Timestamp=Thu 2014-08-07 12:01:52 CEST TimestampMonotonic=8962500 VTNr=0 Display=:0 Remote=no Service=gdm-launch-environment Scope=session-c1.scope Leader=1112 Audit=0 Type=x11 Class=greeter Active=no State=closing IdleHint=no IdleSinceHint=0 IdleSinceHintMonotonic=0 Name=gdm root@localhost ~> loginctl show-session c2 Id=c2 Timestamp=Thu 2014-08-07 12:01:52 CEST TimestampMonotonic=9047612 VTNr=0 Display=:1 Remote=no Service=gdm-launch-environment Scope=session-c2.scope Leader=1138 Audit=0 Type=x11 Class=greeter Active=yes State=active IdleHint=yes IdleSinceHint=1407406012116551 IdleSinceHintMonotonic=309042921 Name=gdm root@localhost ~> loginctl show-session 9 Id=9 Timestamp=Thu 2014-08-07 19:33:06 CEST TimestampMonotonic=27083856607 VTNr=0 Display=:0 Remote=no Service=gdm-password Scope=session-9.scope Leader=6967 Audit=9 Type=x11 Class=user Active=no State=online IdleHint=no IdleSinceHint=0 IdleSinceHintMonotonic=0 Name=toon
The problem with inactive non-seat0 seats can be solved with a patch David Herrmann pushed to systemd v209: http://cgit.freedesktop.org/systemd/systemd/commit/?id=3fdb2494c1e24c0a020f5b54022d2c751fd26f50 On the other hand, the problem with inactive seat0 sessions may be related to a race condition between seat0 and non-seat0 X servers, with the non-seat0 one "stealing" the VT from the seat0 one. xorg-server 1.16 includes a patch that prevents non-seat0 X servers from touching VTs (since they don't use it at all), avoiding that race condition. The patch is available here: http://cgit.freedesktop.org/xorg/xserver/commit/?id=46cf2a60934076bf568062eb83121ce90b6ff596
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Fedora 20 changed to end-of-life (EOL) status on 2015-06-23. Fedora 20 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.