Bug#1116563: gdm3: Version 49 does not start properly

[Dmitry Shachnev]

Control: tags -1 - moreinfo

Hi Simon!

On Sun, Sep 28, 2025 at 05:09:00PM +0100, Simon McVittie wrote:
> Control: tags -1 + moreinfo
> 
> On Sun, 28 Sep 2025 at 18:53:45 +0300, Dmitry Shachnev wrote:
> > After I upgraded gdm3 to the version from experimental, it does not start
> > anymore. Systemd reports that a process is running, but all I see is a
> > blinking TTY cursor. There is no stdout/stderr, and the /var/log/gdm3
> > directory is empty.
> 
> This version is working fine for me. Is anything of interest logged in
> the systemd Journal?
> 
> If there isn't much there, `systemctl edit gdm.service` and adding
> 
> [Service]
> Environment=DEBUG_INVOCATION=1
> 
> might help to get more information.

Tried that. Attaching the log from systemctl.

--
Dmitry Shachnev
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-- Boot 775e1033e27948a2b76f9709d9fe8d90 --
Sep 28 19:25:48 l3 systemd[1]: Starting gdm.service - GNOME Display Manager...
Sep 28 19:25:48 l3 systemd[1]: Started gdm.service - GNOME Display Manager.
Sep 28 19:25:48 l3 gdm3[6019]: varlink: Setting state idle-client
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/org.gnome.DisplayManager: Sending message: {"method":"io.systemd.UserDatabase.GetUserRecord","parameters":{"uid":60578,"service":"org.gnome.DisplayManager"}}
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/org.gnome.DisplayManager: Changing state idle-client ? awaiting-reply
Sep 28 19:25:48 l3 gdm3[6019]: varlink: Setting state idle-client
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/io.systemd.DynamicUser: Sending message: {"method":"io.systemd.UserDatabase.GetUserRecord","parameters":{"uid":60578,"service":"io.systemd.DynamicUser"}}
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/io.systemd.DynamicUser: Changing state idle-client ? awaiting-reply
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/org.gnome.DisplayManager: Received message: {"error":"io.systemd.UserDatabase.NoRecordFound","parameters":{}}
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/org.gnome.DisplayManager: Changing state awaiting-reply ? processing-reply
Sep 28 19:25:48 l3 gdm3[6019]: Got lookup error: io.systemd.UserDatabase.NoRecordFound
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/org.gnome.DisplayManager: Changing state processing-reply ? idle-client
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/io.systemd.DynamicUser: Received message: {"error":"io.systemd.UserDatabase.NoRecordFound","parameters":{}}
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/io.systemd.DynamicUser: Changing state awaiting-reply ? processing-reply
Sep 28 19:25:48 l3 gdm3[6019]: Got lookup error: io.systemd.UserDatabase.NoRecordFound
Sep 28 19:25:48 l3 gdm3[6019]: /run/systemd/userdb/io.systemd.DynamicUser: Changing state processing-reply ? idle-client
Sep 28 19:25:48 l3 gdm-session-worker[6028]: varlink: Setting state idle-client
Sep 28 19:25:48 l3 gdm-session-worker[6028]: /run/systemd/userdb/org.gnome.DisplayManager: Sending message: {"method":"io.systemd.UserDatabase.GetUserRecord","parameters":{"userName":"gdm-greeter","service":"org.gnome.DisplayManager"}}
Sep 28 19:25:48 l3 gdm-session-worker[6028]: /run/systemd/userdb/org.gnome.DisplayManager: Changing state idle-client ? awaiting-reply
Sep 28 19:25:48 l3 gdm-session-worker[6028]: varlink: Setting state idle-client
Sep 28 19:25:48 l3 gdm-session-worker[6028]: /run/systemd/userdb/io.systemd.DynamicUser: Sending message: {"method":"io.systemd.UserDatabase.GetUserRecord","parameters":{"userName":"gdm-greeter","service":"io.systemd.DynamicUser"}}
Sep 28 19:25:48 l3 gdm-session-worker[6028]: /run/systemd/userdb/io.systemd.DynamicUser: Changing state idle-client ? awaiting-reply
Sep 28 19:25:48 l3 gdm-session-worker[6028]: /run/systemd/userdb/org.gnome.DisplayManager: Received message: {"parameters":{"record":{"userName":"gdm-greeter","uid":60578,"gid":125,"realName":"GDM Greeter","homeDirectory":"/run/gdm3/home/gdm-greeter","shell":"/usr/sbin/nologin","service":"org.gnome.DisplayManager","disposition":"dynamic"}}}
Sep 28 19:25:48 l3 gdm-session-worker[6028]: /run/systemd/userdb/org.gnome.DisplayManager: Changing state awaiting-reply ? processing-reply
Sep 28 19:25:48 l3 gdm-session-worker[6028]: /run/systemd/userdb/org.gnome.DisplayManager: Changing state processing-reply ? idle-client
Sep 28 19:27:43 l3 systemd[1]: Stopping gdm.service - GNOME Display Manager...
Sep 28 19:27:43 l3 systemd[1]: gdm.service: Deactivated successfully.
Sep 28 19:27:43 l3 systemd[1]: Stopped gdm.service - GNOME Display Manager.
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