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[Bug 1316320] Re: Screen Lock does not prompt for password

 

I've noticed some errors that may be related inside the ~/.Xsession-
errors file:


Xsession: X session started for cott at Thu May 15 10:10:22 EDT 2014
localuser:cott being added to access control list
Script for ibus started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
Script for ibus started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
x-session-manager[13561]: WARNING: Could not parse desktop file gnome-screensaver.desktop or it references a not found TryExec binary
GNOME_KEYRING_CONTROL=/run/user/59319/keyring-w66G9H
GNOME_KEYRING_PID=13690
GNOME_KEYRING_CONTROL=/run/user/59319/keyring-w66G9H
SSH_AUTH_SOCK=/run/user/59319/keyring-w66G9H/ssh
GNOME_KEYRING_CONTROL=/run/user/59319/keyring-w66G9H
GNOME_KEYRING_CONTROL=/run/user/59319/keyring-w66G9H
SSH_AUTH_SOCK=/run/user/59319/keyring-w66G9H/ssh
GPG_AGENT_INFO=/run/user/59319/keyring-w66G9H/gpg:0:1

** (unity-settings-daemon:13702): WARNING **: Name taken or bus went away - shutting down
compiz (core) - Info: Loading plugin: core
compiz (core) - Info: Starting plugin: core
compiz (core) - Info: Loading plugin: ccp
compiz (core) - Info: Starting plugin: ccp

(gnome-settings-daemon:13694): media-keys-plugin-WARNING **: Grab failed
for some keys, another application may already have access the them.

(gnome-settings-daemon:13694): dconf-WARNING **: failed to commit
changes to dconf:
GDBus.Error:org.gtk.GDBus.UnmappedGError.Quark._g_2dfile_2derror_2dquark.Code24:
Failed to rename file '/home/cott/.config/dconf/user.DRS4FX' to
'/home/cott/.config/dconf/user': g_rename() failed: Device or resource
busy

** (process:13749): CRITICAL **: bluez.vala:104: GDBus.Error:org.bluez.Error.NoSuchAdapter: No such adapter
compiz (core) - Info: Loading plugin: composite
compiz (core) - Info: Starting plugin: composite

(process:13803): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed
compiz (core) - Info: Loading plugin: opengl

** (process:13765): CRITICAL **: volume_control_set_volume_internal: assertion '_tmp1_ == PA_CONTEXT_READY' failed
compiz (core) - Info: Unity is fully supported by your hardware.
compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow).

** (indicator-printers-service:13759): WARNING **: Error subscribing to
CUPS notifications: Bad file descriptor

compiz (core) - Info: Starting plugin: opengl

** (process:13765): CRITICAL **: file /build/buildd/indicator-sound-12.10.2+14.04.20140401/obj-x86_64-linux-gnu/src/volume-control.c: line 1775: uncaught error: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: No such interface (g-dbus-error-quark, 16)
compiz (core) - Info: Loading plugin: place
compiz (core) - Info: Starting plugin: place
compiz (core) - Info: Loading plugin: regex
compiz (core) - Info: Starting plugin: regex
compiz (core) - Info: Loading plugin: resize
compiz (core) - Info: Starting plugin: resize
compiz (core) - Info: Loading plugin: session
compiz (core) - Info: Starting plugin: session
I/O warning : failed to load external entity "/home/cott/.compiz/session/10ae8d458df8cacea2140016302341646600000135610001"
compiz (core) - Info: Loading plugin: snap
compiz (core) - Info: Starting plugin: snap
compiz (core) - Info: Loading plugin: vpswitch
compiz (core) - Info: Starting plugin: vpswitch
compiz (core) - Info: Loading plugin: wall
compiz (core) - Info: Starting plugin: wall
compiz (core) - Info: Loading plugin: animation
compiz (core) - Info: Starting plugin: animation
compiz (core) - Info: Loading plugin: commands
compiz (core) - Info: Starting plugin: commands
compiz (core) - Info: Loading plugin: compiztoolbox
compiz (core) - Info: Starting plugin: compiztoolbox
compiz (core) - Info: Loading plugin: copytex
compiz (core) - Info: Starting plugin: copytex
compiz (core) - Info: Loading plugin: fade
compiz (core) - Info: Starting plugin: fade
compiz (core) - Info: Loading plugin: grid
compiz (core) - Info: Starting plugin: grid
compiz (core) - Info: Loading plugin: imgpng
compiz (core) - Info: Starting plugin: imgpng
compiz (core) - Info: Loading plugin: mousepoll
compiz (core) - Info: Starting plugin: mousepoll
compiz (core) - Info: Loading plugin: move
compiz (core) - Info: Starting plugin: move
compiz (core) - Info: Loading plugin: scale
compiz (core) - Info: Starting plugin: scale
compiz (core) - Info: Loading plugin: unitymtgrabhandles
compiz (core) - Info: Starting plugin: unitymtgrabhandles

(nm-applet:13787): nm-applet-WARNING **: Error connecting to ModemManager: Error calling StartServiceByName for org.freedesktop.ModemManager1: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ExecFailed: Cannot launch daemon, file not found or permissions invalid
compiz (core) - Info: Loading plugin: workarounds
compiz (core) - Info: Starting plugin: workarounds
compiz (core) - Info: Loading plugin: expo
compiz (core) - Info: Starting plugin: expo
compiz (core) - Info: Loading plugin: ezoom
compiz (core) - Info: Starting plugin: ezoom
compiz (core) - Info: Loading plugin: unityshell
compiz (core) - Info: Starting plugin: unityshell
compizconfig - Info: Backend     : gsettings
compizconfig - Info: Integration : true
compizconfig - Info: Profile     : unity
WARN  2014-05-15 10:10:25 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.Shell' yet as we don't have a connection, waiting for it...
ERROR 2014-05-15 10:10:25 unity.debug.interface DebugDBusInterface.cpp:196 Unable to load entry point in libxpathselect: libxpathselect.so.1.4: cannot open shared object file: No such file or directory
WARN  2014-05-15 10:10:25 xim.controller XIMController.cpp:103 IBus natively supported.
WARN  2014-05-15 10:10:26 unityct(io) <unknown>:0 Desktop file '/usr/share/applications/google-chrome.desktop' is using a deprecated format for its actions that will be dropped soon.
WARN  2014-05-15 10:10:26 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Launcher' yet as we don't have a connection, waiting for it...
WARN  2014-05-15 10:10:26 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Dash' yet as we don't have a connection, waiting for it...
WARN  2014-05-15 10:10:26 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.SessionManager.EndSessionDialog' yet as we don't have a connection, waiting for it...
WARN  2014-05-15 10:10:26 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Session' yet as we don't have a connection, waiting for it...
WARN  2014-05-15 10:10:26 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.ScreenSaver' yet as we don't have a connection, waiting for it...
ERROR 2014-05-15 10:10:27 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'org.gnome.Shell'
ERROR 2014-05-15 10:10:27 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'com.canonical.Unity'

(nm-applet:13787): nm-applet-WARNING **: Could not find ShellVersion
property on org.gnome.Shell after 5 tries

(gnome-terminal:14024): GLib-GIO-CRITICAL **: g_settings_get: the format
string may not contain '&' (key 'monospace-font-name' from schema
'org.gnome.desktop.interface'). This call will probably stop working
with a future version of glib.

(zeitgeist-datahub:14066): GLib-GObject-WARNING **: invalid (NULL)
pointer instance

(zeitgeist-datahub:14066): GLib-GObject-CRITICAL **:
g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)'
failed

** (zeitgeist-datahub:14066): WARNING **: recent-manager-
provider.vala:132: Desktop file for
"file:///home/cott/Pictures/useravatar.png" was not found, exec: google-
chrome-stable, mime_type: image/png

** (zeitgeist-datahub:14066): WARNING **: recent-manager-provider.vala:132: Desktop file for "file:///home/cott/Documents/isolinux.cfg" was not found, exec: google-chrome-stable, mime_type: application/octet-stream
Nautilus-Share-Message: Called "net usershare info" but it failed: 'net usershare' returned error 255: net usershare: cannot open usershare directory /var/lib/samba/usershares. Error No such file or directory
Please ask your system administrator to enable user sharing.





I believe the issue with the recent-manager-provider may just be the
home folder not being mounted before checking?  I don't really know
though.

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https://bugs.launchpad.net/bugs/1316320

Title:
  Screen Lock does not prompt for password

Status in Unity:
  Confirmed
Status in “unity” package in Ubuntu:
  Confirmed

Bug description:
  I am using LTSP fat clients, created with:

  $ sudo ltsp-build-image --arch amd64 --fat-client-desktop ubuntu-
  desktop

  LTSP server has sssd authentication utilizing pam and ldap.  Users can
  log in without issue and the home folder is available.  Everything
  works as expected except for screen locking.

  When locking the screen, the displays first go blank and the monitor
  goes to sleep.

  Then if i move the mouse or press a keystroke, They go black but the
  mouse is visible.

  Once I move the mouse or strike a key the second time, everything
  comes back up without password prompt.  However, password prompt is
  enabled in "Brightness & Lock"

  The client hardware is an Intel NUC D34010WYK

  Also maybe related, there seems to be no system tray.  No clock or
  username/logout buttons.  I am using Ctrl + Alt + L to lock the
  screen. (See attached screenshot)

  This is a security vulnerability and I can not make the new 14.04
  image available as fat clients, since they users cannot lock their
  workstation.

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References