Problems with `pam` on Ubuntu 22.10 #103

kmephistoh · 2022-12-02T07:41:13Z

➜ lightdm cd /etc/lemurs
➜ lemurs ls
config.toml wayland wms xsetup.sh
➜ lemurs tree
.
├── config.toml
├── wayland
│ ├── sway
│ └── ubuntu
├── wms
└── xsetup.sh

2 directories, 4 files
➜ lemurs cat wayland/ubuntu
#! /bin/sh
exec gnome-session --session=gnome-wayland
➜ lemurs ls -al wayland/ubuntu
-rwxr-xr-x 1 root root 54 Dec 1 15:50 wayland/ubuntu
➜ lemurs cat /var/log/lemurs.log
[2022-12-01][15:19:41][lemurs][INFO] Lemurs logger is running
[2022-12-01][15:19:41][lemurs][INFO] Switching to tty 2
[2022-12-01][15:19:41][lemurs][INFO] UI booted up
[2022-12-01][15:19:41][lemurs::info_caching][INFO] Attempting to get a cached information from '/var/cache/lemurs'
[2022-12-01][15:19:41][lemurs::info_caching][INFO] Read cache file and found environment 'mephisto' and username 'None'
[2022-12-01][15:19:41][lemurs::ui][INFO] Loading environment 'mephisto' from cache
[2022-12-01][15:19:41][lemurs::ui::switcher][WARN] Failed to find selection with title: 'mephisto'
[2022-12-01][15:19:52][lemurs::auth][INFO] Login attempt for 'mephisto'
[2022-12-01][15:19:52][lemurs::auth::pam][INFO] Started opening session
[2022-12-01][15:19:52][lemurs::auth::pam][INFO] Gotten Authenticator
[2022-12-01][15:19:52][lemurs::auth::pam][INFO] Got handler
[2022-12-01][15:19:52][lemurs::auth::pam][INFO] Validated account
[2022-12-01][15:19:52][lemurs::auth::pam][INFO] Opened session
[2022-12-01][15:19:52][lemurs::ui][INFO] Setting cached information
[2022-12-01][15:19:52][lemurs::info_caching][INFO] Attempting to set cache
[2022-12-01][15:19:52][lemurs::info_caching][INFO] Successfully set username in cache file
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'HOME' to '/home/mephisto'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Successfully changed working directory to /home/mephisto!
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'SHELL' to '/usr/bin/zsh'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'USER' to 'mephisto'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'LOGNAME' to 'mephisto'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'PATH' to '/usr/local/sbin:/usr/local/bin:/usr/bin'
[2022-12-01][15:19:52][lemurs::post_login][INFO] Set environment variables.
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_CONFIG_DIR' to '/home/mephisto/.config'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_CACHE_HOME' to '/home/mephisto/.cache'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_DATA_HOME' to '/home/mephisto/.local/share'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_STATE_HOME' to '/home/mephisto/.local/state'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_DATA_DIRS' to '/usr/local/share:/usr/share'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_CONFIG_DIRS' to '/etc/xdg'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_RUNTIME_DIR' to '/run/user/1000'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_SESSION_DIR' to 'user'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_SESSION_ID' to '1'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_SEAT' to 'seat0'
[2022-12-01][15:19:52][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_VTNR' to '2'
[2022-12-01][15:19:52][lemurs::post_login][INFO] Set XDG environment variables
[2022-12-01][15:19:52][lemurs::post_login][INFO] Starting Wayland Session
[2022-12-01][15:19:52][lemurs::post_login][INFO] Entered Wayland compositor
[2022-12-01][15:19:52][lemurs::auth::utmpx][INFO] Adding UTMPX record
[2022-12-01][15:19:52][lemurs::auth::utmpx][INFO] Added UTMPX record
[2022-12-01][15:19:53][lemurs::auth::utmpx][INFO] Removing UTMPX record

When input username and password, it didn't enter gnome desktop, just stay on greeter page.
By the way, this repo is impressive.

coastalwhite · 2022-12-02T20:29:40Z

Hi,

Thank you for this report. I spend quite some time on trying to find the solution to this. GDM is doing some special stuff normally to make sure gnome-session works fine.

I have been able to identify some points. These are more reminders for me when I continue working on this.

We really should be setting XDG_SESSION_TYPE=x11/wayland/tty depending on the post_login type.
We should set MOZ_ENABLE_WAYLAND=1 QT_QPA_PLATFORM=wayland for Wayland sessions.
Some of the error logging in the post_login/mod.rs file is not really helping.
You need to install libpam-dev on Ubuntu to use this project.
You can log gnome-session with the --debug flag.
The debug output shows that the display is not properly set. Using DISPLAY=:1 does not resolve the issue. In fact the documentation stated that gnome-session does this itself.
Starting a gnome-session from the tty is quite difficult.

To be honest, I am having many problems with setting up a good testing environment.

I will follow up soon.

kmephistoh · 2022-12-05T08:20:41Z

If you want start a gnome-sesion from available tty, this arch wiki may helpfull arch gnome

XDG_SESSION_TYPE=wayland dbus-run-session gnome-session or gnome-shell --wayland

➜  wayland pwd
/etc/lemurs/wayland
➜  wayland grep -v '^#' ubuntu
exec env GNOME_SHELL_SESSION_MODE=ubuntu XDG_SESSION_TYPE=wayland MOZ_ENABLE_WAYLAND=1 QT_QPA_PLATFORM=wayland dbus-run-session /usr/bin/gnome-session --session=ubuntu
➜  wayland ls
sway  ubuntu

The above config still didn't work, but it works if you execute it from tty. when enable --debug, the log screen disappear too fast, can't find a way to review the debug log

coastalwhite · 2022-12-08T09:20:48Z

I think this is a problem with gnome-session in general. I had someone message me about the same problem for the X11 gnome-session. I didn't test this yet, but according to the arch wiki somewhere. GDM puts the Xauthority file somewhere else than the home directory. This might well be the problem.

There is also a possibility that it has something to do with the rights given to the Xauthority file in the home directory.

coastalwhite · 2022-12-08T23:14:47Z

The problem seems to be exclusively with Ubuntu. I tested it with a fresh arch setup and gnome and everything seems to work fine. I will investigate more later.

coastalwhite · 2022-12-09T18:49:20Z

Okay. I have tracked the issue down. It turns out that the PAM services are very different between Ubuntu and other distributions. Now, I just need to find a fix that seems reasonable.

Relwi · 2022-12-09T19:53:23Z

I have the same problem and logs as @kmephistoh, but instead Ubuntu I'm trying to launch labwc in Arch Linux. I have the wayland folder created and the labwc file with the script, I didn't change anything else.

labwc

#! /bin/sh 
exec labwc

Logs

[2022-12-09][20:33:10][lemurs::auth][INFO] Login attempt for 'relwi'
[2022-12-09][20:33:10][lemurs::auth::pam][INFO] Started opening session
[2022-12-09][20:33:10][lemurs::auth::pam][INFO] Gotten Authenticator
[2022-12-09][20:33:10][lemurs::auth::pam][INFO] Got handler
[2022-12-09][20:33:10][lemurs::auth::pam][INFO] Validated account
[2022-12-09][20:33:10][lemurs::auth::pam][INFO] Opened session
[2022-12-09][20:33:10][lemurs::ui][INFO] Setting cached information
[2022-12-09][20:33:10][lemurs::info_caching][INFO] Attempting to set cache
[2022-12-09][20:33:10][lemurs::info_caching][INFO] Successfully set username in cache file
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'HOME' to '/home/relwi'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Successfully changed working directory to /home/relwi!
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'SHELL' to '/bin/nu'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'USER' to 'relwi'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'LOGNAME' to 'relwi'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'PATH' to '/usr/local/sbin:/usr/local/bin:/usr/bin'
[2022-12-09][20:33:10][lemurs::post_login][INFO] Set environment variables.
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_CONFIG_DIR' to '/home/relwi/.config'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_CACHE_HOME' to '/home/relwi/.cache'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_DATA_HOME' to '/home/relwi/.local/share'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_STATE_HOME' to '/home/relwi/.local/state'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_DATA_DIRS' to '/usr/local/share:/usr/share'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_CONFIG_DIRS' to '/etc/xdg'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_RUNTIME_DIR' to '/run/user/1000'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_SESSION_DIR' to 'user'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_SESSION_ID' to '1'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_SEAT' to 'seat0'
[2022-12-09][20:33:10][lemurs::post_login::env_variables][INFO] Set environment variable 'XDG_VTNR' to '2'
[2022-12-09][20:33:10][lemurs::post_login][INFO] Set XDG environment variables
[2022-12-09][20:33:10][lemurs::post_login][INFO] Starting Wayland Session
[2022-12-09][20:33:10][lemurs::post_login][INFO] Entered Wayland compositor
[2022-12-09][20:33:10][lemurs::auth::utmpx][INFO] Adding UTMPX record
[2022-12-09][20:33:10][lemurs::auth::utmpx][INFO] Added UTMPX record
[2022-12-09][20:33:10][lemurs::auth::utmpx][INFO] Removing UTMPX record

If I change to another tty and run the command labwc it starts correctly.

coastalwhite · 2022-12-22T16:40:09Z

After looking at this problem some more. I am surprised logging in with lemurs works at all on Ubuntu. The current PAM configuration is totally unsuited for Ubuntu. I will see what I can do about this.

coastalwhite · 2023-03-03T20:30:34Z

Is there any chance you can both try again? It works now on my side, but your issues may be different?

Relwi · 2023-03-04T09:41:50Z

Unfortunately it still doesn't work for me, here is the logs, btw, is there the possibility that I'm missing some packages?
Update: I'm using Nushell as my primary bash

Logs

[INFO  lemurs] Lemurs logger is running
[INFO  lemurs] Switching to tty 2
[INFO  lemurs] UI booted up
[WARN  lemurs::post_login] Failed to read from the X folder '/etc/lemurs/wms'
[INFO  lemurs::info_caching] Attempting to get a cached information from '/var/cache/lemurs'
[INFO  lemurs::info_caching] Read cache file and found environment 'labwc' and username 'relwi'
[INFO  lemurs::ui] Loading username 'relwi' from cache
[INFO  lemurs::ui] Loading environment 'labwc' from cache
[INFO  lemurs] Starting new session for 'relwi' in environment 'Wayland { script_path: "/etc/lemurs/wayland/labwc" }'
[ERROR lemurs::env_container] Could not find the working directory when taking snapshot
[INFO  lemurs::post_login::env_variables] Setting Display
[INFO  lemurs::env_container] Set environment variable 'DISPLAY' to ':1'
[INFO  lemurs::post_login::env_variables] Setting XDG Session Parameters
[INFO  lemurs::env_container] Set environment variable 'XDG_SESSION_CLASS' to 'user'
[INFO  lemurs::env_container] Set environment variable 'XDG_SESSION_TYPE' to 'wayland'
[INFO  lemurs::auth] Login attempt for 'relwi'
[INFO  lemurs::auth::pam] Started opening session
[INFO  lemurs::auth::pam] Gotten Authenticator
[INFO  lemurs::auth::pam] Got handler
[INFO  lemurs::auth::pam] Validated account
[INFO  lemurs::auth::pam] Opened session
[INFO  lemurs::ui] Setting cached information
[INFO  lemurs::info_caching] Attempting to set cache
[INFO  lemurs::info_caching] Successfully set username in cache file
[INFO  lemurs::post_login::env_variables] Setting XDG Seat Variables
[INFO  lemurs::env_container] Skipped setting environment variable 'XDG_SEAT'. It was already set to 'seat0'
[INFO  lemurs::env_container] Skipped setting environment variable 'XDG_VTNR'. It was already set to '2'
[INFO  lemurs::post_login::env_variables] Setting XDG Session Variables
[INFO  lemurs::env_container] Skipped setting environment variable 'XDG_RUNTIME_DIR'. It was already set to '/run/user/1000'
[INFO  lemurs::env_container] Skipped setting environment variable 'XDG_SESSION_ID'. It was already set to 'c1'
[INFO  lemurs::post_login::env_variables] Setting Basic Environment Variables
[INFO  lemurs::env_container] Successfully changed working directory to /home/relwi!
[INFO  lemurs::env_container] Set environment variable 'HOME' to '/home/relwi'
[INFO  lemurs::env_container] Set environment variable 'SHELL' to '/bin/nu'
[INFO  lemurs::env_container] Set environment variable 'USER' to 'relwi'
[INFO  lemurs::env_container] Set environment variable 'LOGNAME' to 'relwi'
[INFO  lemurs::env_container] Set environment variable 'PATH' to '/usr/local/sbin:/usr/local/bin:/usr/bin'
[INFO  lemurs::post_login::env_variables] Setting XDG Common Paths
[INFO  lemurs::env_container] Set environment variable 'XDG_CONFIG_DIR' to '/home/relwi/.config'
[INFO  lemurs::env_container] Set environment variable 'XDG_CACHE_HOME' to '/home/relwi/.cache'
[INFO  lemurs::env_container] Set environment variable 'XDG_DATA_HOME' to '/home/relwi/.local/share'
[INFO  lemurs::env_container] Set environment variable 'XDG_STATE_HOME' to '/home/relwi/.local/state'
[INFO  lemurs::env_container] Set environment variable 'XDG_DATA_DIRS' to '/usr/local/share:/usr/share'
[INFO  lemurs::env_container] Set environment variable 'XDG_CONFIG_DIRS' to '/etc/xdg'
[INFO  lemurs::post_login] Starting Wayland session
[INFO  lemurs::auth::utmpx] Adding UTMPX record
[INFO  lemurs::auth::utmpx] Added UTMPX record
[INFO  lemurs::env_container] Removing session environment variables
[INFO  lemurs::env_container] Reverting to environment before session
[ERROR lemurs::env_container] Failed to change the working directory back to
[INFO  lemurs] Waiting for environment to terminate
[WARN  lemurs::post_login] Environment came back with non-zero exit code.
[WARN  lemurs::post_login] Environment's stderr: """
    00:00:00.053 [ERROR] [backend/x11/backend.c:408] Failed to open xcb connection
    00:00:00.053 [ERROR] [../labwc-0.6.1/src/server.c:214] unable to create backend
    """
[INFO  lemurs] Environment terminated. Returning to Lemurs...
[INFO  lemurs::auth::utmpx] Removing UTMPX record

kmephistoh · 2023-03-07T06:12:17Z

log info:

➜  ~ lemurs -V
0.3.1

➜  ~ cat /var/log/lemurs.log
[INFO  lemurs] Lemurs logger is running
[INFO  lemurs] Switching to tty 2
[INFO  lemurs] UI booted up
[INFO  lemurs::info_caching] Attempting to get a cached information from '/var/cache/lemurs'
[INFO  lemurs::info_caching] Read cache file and found environment 'xinitrc\nmephisto' and username 'None'
[INFO  lemurs::ui] Loading environment 'xinitrc\nmephisto' from cache
[WARN  lemurs::ui::switcher] Failed to find selection with title: 'xinitrc\nmephisto'
[INFO  lemurs] Starting new session for 'mephisto' in environment 'Wayland { script_path: "/etc/lemurs/wayland/ubuntu" }'
[ERROR lemurs::env_container] Could not find the working directory when taking snapshot
[INFO  lemurs::post_login::env_variables] Setting Display
[INFO  lemurs::env_container] Set environment variable 'DISPLAY' to ':1'
[INFO  lemurs::post_login::env_variables] Setting XDG Session Parameters
[INFO  lemurs::env_container] Set environment variable 'XDG_SESSION_CLASS' to 'user'
[INFO  lemurs::env_container] Set environment variable 'XDG_SESSION_TYPE' to 'wayland'
[INFO  lemurs::auth] Login attempt for 'mephisto'
[INFO  lemurs::auth::pam] Started opening session
[INFO  lemurs::auth::pam] Gotten Authenticator
[INFO  lemurs::auth::pam] Got handler
[INFO  lemurs::auth::pam] Validated account
[INFO  lemurs::auth] Authentication failed for 'mephisto'. Reason: Failed to open a PAM session
[INFO  lemurs::env_container] Removing session environment variables
[INFO  lemurs::env_container] Reverting to environment before session
[ERROR lemurs::env_container] Failed to change the working directory back to


➜  ~ cat /var/log/auth.log
Mar  7 13:50:12 workpc systemd-logind[3982]: New seat seat0.
Mar  7 13:50:12 workpc systemd-logind[3982]: Watching system buttons on /dev/input/event2 (Power Button)
Mar  7 13:50:12 workpc systemd-logind[3982]: Watching system buttons on /dev/input/event1 (Lid Switch)
Mar  7 13:50:12 workpc systemd-logind[3982]: Watching system buttons on /dev/input/event0 (Sleep Button)
Mar  7 13:50:12 workpc systemd-logind[3982]: Watching system buttons on /dev/input/event5 (CHERRY Mechanical Keyboard)
Mar  7 13:50:12 workpc systemd-logind[3982]: Watching system buttons on /dev/input/event6 (CHERRY Mechanical Keyboard)
Mar  7 13:50:12 workpc systemd-logind[3982]: Watching system buttons on /dev/input/event3 (AT Translated Set 2 keyboard)
Mar  7 13:50:26 workpc lemurs: pam_loginuid(lemurs:session): Error writing /proc/self/#uid: Operation not permitted
Mar  7 13:50:26 workpc lemurs: pam_loginuid(lemurs:session): set_loginuid failed
Mar  7 13:50:26 workpc lemurs: pam_unix(lemurs:session): session opened for user mephisto(uid=1000) by (uid=0)
Mar  7 13:50:26 workpc systemd-logind[3982]: New session c1 of user mephisto.
Mar  7 13:50:26 workpc systemd: pam_unix(systemd-user:session): session opened for user mephisto(uid=1000) by (uid=0)
Mar  7 13:50:30 workpc systemd: pam_unix(login:session): session opened for user mephisto(uid=1000) by (uid=0)
Mar  7 13:50:30 workpc systemd: pam_unix(login:session): session closed for user mephisto
Mar  7 13:50:30 workpc dbus-daemon[3944]: [system] Rejected send message, 2 matched rules; type="method_call", sender=":1.507" (uid=1000 pid=6165 comm="(sd-pam)" label="unconfined") interface="org.freedesktop.login1.Manager" member="ReleaseSession" error name="(unset)" requested_reply="0" destination="org.freedesktop.login1" (uid=0 pid=3982 comm="/lib/systemd/systemd-logind" label="unconfined")
Mar  7 13:50:30 workpc systemd: pam_systemd(login:session): Failed to release session: Access denied
Mar  7 13:50:32 workpc systemd: pam_unix(login:session): session opened for user mephisto(uid=1000) by (uid=0)
Mar  7 13:50:32 workpc systemd: pam_unix(login:session): session closed for user mephisto
Mar  7 13:50:32 workpc dbus-daemon[3944]: [system] Rejected send message, 2 matched rules; type="method_call", sender=":1.540" (uid=1000 pid=6252 comm="(sd-pam)" label="unconfined") interface="org.freedesktop.login1.Manager" member="ReleaseSession" error name="(unset)" requested_reply="0" destination="org.freedesktop.login1" (uid=0 pid=3982 comm="/lib/systemd/systemd-logind" label="unconfined")
Mar  7 13:50:32 workpc systemd: pam_systemd(login:session): Failed to release session: Access denied
Mar  7 13:50:36 workpc login[6218]: pam_unix(login:session): session opened for user mephisto(uid=1000) by LOGIN(uid=0)
Mar  7 13:50:36 workpc systemd-logind[3982]: New session 4 of user mephisto.
Mar  7 13:51:23 workpc sudo: mephisto : TTY=tty3 ; PWD=/home/mephisto ; USER=root ; COMMAND=/usr/local/bin/vim /var/log/lemurs.log
Mar  7 13:51:23 workpc sudo: pam_unix(sudo:session): session opened for user root(uid=0) by mephisto(uid=1000)
Mar  7 13:51:30 workpc sudo: pam_unix(sudo:session): session closed for user root
Mar  7 13:51:37 workpc sudo: mephisto : TTY=tty3 ; PWD=/home/mephisto ; USER=root ; COMMAND=/usr/local/bin/vim /var/log/auth.log
Mar  7 13:51:37 workpc sudo: pam_unix(sudo:session): session opened for user root(uid=0) by mephisto(uid=1000)
---------------lemurs:above---------------------------gdm3:below-----------------------------------------------------------------
Mar  7 13:57:22 workpc systemd-logind[4040]: New seat seat0.
Mar  7 13:57:22 workpc systemd-logind[4040]: Watching system buttons on /dev/input/event2 (Power Button)
Mar  7 13:57:22 workpc systemd-logind[4040]: Watching system buttons on /dev/input/event1 (Lid Switch)
Mar  7 13:57:22 workpc systemd-logind[4040]: Watching system buttons on /dev/input/event0 (Sleep Button)
Mar  7 13:57:22 workpc systemd-logind[4040]: Watching system buttons on /dev/input/event5 (CHERRY Mechanical Keyboard)
Mar  7 13:57:22 workpc systemd-logind[4040]: Watching system buttons on /dev/input/event6 (CHERRY Mechanical Keyboard)
Mar  7 13:57:22 workpc systemd-logind[4040]: Watching system buttons on /dev/input/event3 (AT Translated Set 2 keyboard)
Mar  7 13:57:23 workpc gdm-launch-environment]: pam_env(gdm-launch-environment:session): deprecated reading of user environment enabled
Mar  7 13:57:23 workpc gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session opened for user gdm(uid=127) by (uid=0)
Mar  7 13:57:23 workpc systemd-logind[4040]: New session c1 of user gdm.
Mar  7 13:57:23 workpc systemd: pam_unix(systemd-user:session): session opened for user gdm(uid=127) by (uid=0)
Mar  7 13:57:28 workpc polkitd(authority=local): Registered Authentication Agent for unix-session:c1 (system bus name :1.83 [/usr/bin/gnome-shell], object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
Mar  7 13:57:45 workpc gdm-password]: gkr-pam: unable to locate daemon control file
Mar  7 13:57:45 workpc gdm-password]: gkr-pam: stashed password to try later in open session
Mar  7 13:57:45 workpc gdm-password]: pam_env(gdm-password:session): deprecated reading of user environment enabled
Mar  7 13:57:45 workpc gdm-password]: pam_unix(gdm-password:session): session opened for user mephisto(uid=1000) by (uid=0)
Mar  7 13:57:45 workpc systemd-logind[4040]: New session 2 of user mephisto.
Mar  7 13:57:45 workpc systemd: pam_unix(systemd-user:session): session opened for user mephisto(uid=1000) by (uid=0)
Mar  7 13:57:45 workpc gdm-password]: gkr-pam: unlocked login keyring
Mar  7 13:57:46 workpc systemd: pam_unix(login:session): session opened for user mephisto(uid=1000) by (uid=0)
Mar  7 13:57:46 workpc gnome-keyring-daemon[6167]: The PKCS#11 component was already initialized
Mar  7 13:57:46 workpc gnome-keyring-daemon[6384]: discover_other_daemon: 1
Mar  7 13:57:46 workpc systemd: pam_unix(login:session): session closed for user mephisto
Mar  7 13:57:46 workpc dbus-daemon[4003]: [system] Rejected send message, 2 matched rules; type="method_call", sender=":1.432" (uid=1000 pid=6372 comm="(sd-pam)" label="unconfined") interface="org.freedesktop.login1.Manager" member="ReleaseSession" error name="(unset)" requested_reply="0" destination="org.freedesktop.login1" (uid=0 pid=4040 comm="/lib/systemd/systemd-logind" label="unconfined")
Mar  7 13:57:46 workpc systemd: pam_systemd(login:session): Failed to release session: Access denied
Mar  7 13:57:46 workpc gnome-keyring-daemon[6167]: The Secret Service was already initialized
Mar  7 13:57:46 workpc gnome-keyring-daemon[6387]: discover_other_daemon: 1
Mar  7 13:57:46 workpc gnome-keyring-daemon[6389]: discover_other_daemon: 1
Mar  7 13:57:48 workpc polkitd(authority=local): Registered Authentication Agent for unix-session:2 (system bus name :1.434 [/usr/bin/gnome-shell], object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
Mar  7 13:57:52 workpc gdm-launch-environment]: pam_unix(gdm-launch-environment:session): session closed for user gdm
Mar  7 13:57:52 workpc systemd-logind[4040]: Session c1 logged out. Waiting for processes to exit.
Mar  7 13:57:52 workpc systemd-logind[4040]: Removed session c1.
Mar  7 13:58:01 workpc polkitd(authority=local): Unregistered Authentication Agent for unix-session:c1 (system bus name :1.83, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected from bus)
Mar  7 13:58:01 workpc PackageKit: uid 1000 is trying to obtain org.freedesktop.packagekit.system-sources-refresh auth (only_trusted:0)
Mar  7 13:58:01 workpc PackageKit: uid 1000 obtained auth for org.freedesktop.packagekit.system-sources-refresh
Mar  7 13:58:01 workpc gnome-keyring-daemon[6167]: asked to register item /org/freedesktop/secrets/collection/#/2, but it's already registered
Mar  7 13:59:45 workpc dbus-daemon[6161]: [session uid=1000 pid=6161] Failed to activate service 'org.freedesktop.Tracker3.Miner.Files': timed out (service_start_timeout=120000ms)
Mar  7 14:00:48 workpc sudo: mephisto : TTY=pts/5 ; PWD=/home/mephisto ; USER=root ; COMMAND=/usr/local/bin/vim /var/log/auth.log
Mar  7 14:00:48 workpc sudo: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000)
Mar  7 14:01:45 workpc dbus-daemon[6161]: [session uid=1000 pid=6161] Failed to activate service 'org.freedesktop.Tracker3.Miner.Files': timed out (service_start_timeout=120000ms)
Mar  7 14:03:14 workpc sudo: pam_unix(sudo:session): session closed for user root
Mar  7 14:03:15 workpc sudo: mephisto : TTY=pts/5 ; PWD=/home/mephisto ; USER=root ; COMMAND=/usr/local/bin/vim /var/log/auth.log
Mar  7 14:03:15 workpc sudo: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000)

➜  lemurs git:(main) ✗ git log | head -n 5
commit d84deacb2b5da69663e5f6c825b43629957c0a4f
Author: Gijs Burghoorn <g.burghoorn@gmail.com>
Date:   Fri Mar 3 23:03:31 2023 +0100
    Add `shell_login_flag` option in config (#129)

Hi, I pull the latest main branch(no dev branch exist),
at lemurs.log:
[INFO lemurs::auth] Authentication failed for 'mephisto'. Reason: Failed to open a PAM session
at auth.log:
Mar 7 13:50:26 workpc lemurs: pam_loginuid(lemurs:session): Error writing /proc/self/#uid: Operation not permitted
Mar 7 13:50:26 workpc lemurs: pam_loginuid(lemurs:session): set_loginuid failed
By the way

if lemurs.log would add timestamp info at the beginning of each line, that may helpful for multi times test.
libpam-dev has updated to libpam0g-dev at Ubuntu 22.10.

➜  ~ sudo apt install libpam-dev
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Note, selecting 'libpam0g-dev' instead of 'libpam-dev'
libpam0g-dev is already the newest version (1.5.2-2ubuntu1.3).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
➜  ~ cat /etc/issue
Ubuntu 22.10 \n \l

coastalwhite · 2023-03-09T19:20:36Z

Hey @Relwi, you were probably experiencing the same issue as #131. After resolving that issue, I can now run LabWC just fine. (Where it didn't before for me).

Thank you a lot for this debugging. I am talking to the maintainer of the pam crate because there seem to be some problems on that side. I will come back to this.

Relwi · 2023-03-09T20:28:24Z

Yep, I recently updated the package and is working now, thanks!

kqvanity · 2024-05-15T23:55:06Z

Speaking of pam, I think you should include libpam0g-dev for building at Ubuntu 22.04

coastalwhite changed the title ~~ubuntu 22.10 wayland not working~~ gnome-session not working Dec 8, 2022

coastalwhite changed the title ~~gnome-session not working~~ ubuntu 22.10 not working Dec 8, 2022

coastalwhite changed the title ~~ubuntu 22.10 not working~~ Problems with GNOME on Ubuntu 22.10 and labwc Mar 3, 2023

coastalwhite added the bug Something isn't working label Mar 9, 2023

coastalwhite changed the title ~~Problems with GNOME on Ubuntu 22.10 and labwc~~ Problems with pam on Ubuntu 22.10 Mar 9, 2023

This was referenced Mar 9, 2023

Problems with pam_loginuid with Sway #126

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Add Timestamps in the log files #132

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tkapias mentioned this issue Jul 6, 2023

Authentication error with PAM: Error writing /proc/self/#uid #166

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Problems with `pam` on Ubuntu 22.10 #103

Problems with `pam` on Ubuntu 22.10 #103

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Problems with pam on Ubuntu 22.10 #103

Problems with pam on Ubuntu 22.10 #103

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Problems with `pam` on Ubuntu 22.10 #103

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