Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 981508, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.

** Description changed:

- uname -a
- Linux L1fu510n 3.2.0-21-generic #34-Ubuntu SMP Fri Mar 30 04:25:35 UTC 2012 
x86_64 x86_64 x86_64 GNU/Linux
- 
  Running LibreOffice 1:3.5.1-1ubuntu4, Mendeley desktop 1.5 dev-4,
  Nautilus 1:3.4.0-0ubuntu1
  
  Background with (systray only):
  Wallch 3.01-0ubuntu1
  nautilus-dropbox 0.7.1-2
  Weather Indicator 11.11.28 'Cloudy 9'
- remmina 1.0.0-1ubuntu5 
+ remmina 1.0.0-1ubuntu5
  
  Sporadically, when pausing for arbitrary times, the gnome desktop
  disappears leaving all windows open with no title bar (windows are still
  operational, can still be closed using the menus)
  
  Several instances when this occurs:
  
  "polkitd(authority=local): Unregistered Authentication Agent for unix-
  session:/org/freedesktop/ConsoleKit/Session7 (system bus name :1.167,
  object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale
  en_US.UTF-8) (disconnected from bus)"
  
- Coincide with the above phenomena, as shown in the auth.log below:
- 
- Apr  1 13:09:00 L1fu510n sudo: pam_unix(sudo:session): session opened for 
user root by darian(uid=1000)
- Apr  1 13:09:01 L1fu510n CRON[19201]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 13:09:01 L1fu510n CRON[19201]: pam_unix(cron:session): session closed 
for user root
- Apr  1 13:09:21 L1fu510n sudo: pam_unix(sudo:session): session closed for 
user root
- Apr  1 13:09:36 L1fu510n lightdm: pam_unix(lightdm:session): session closed 
for user darian
- Apr  1 13:09:37 L1fu510n polkitd(authority=local): Unregistered 
Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session7 
(system bus name :1.167, object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) 
(disconnected from bus)
- Apr  1 13:09:40 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user lightdm by (uid=0)
- Apr  1 13:09:40 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 13:09:41 L1fu510n lightdm: pam_succeed_if(lightdm:auth): requirement 
"user ingroup nopasswdlogin" not met by user "darian"
- Apr  1 13:09:41 L1fu510n dbus[895]: [system] Rejected send message, 2 matched 
rules; type="method_call", sender=":1.261" (uid=104 pid=19782 
comm="/usr/lib/indicator-datetime/indicator-datetime-ser") 
interface="org.freedesktop.DBus.Properties" member="GetAll" error 
name="(unset)" requested_reply="0" destination=":1.34" (uid=0 pid=1496 
comm="/usr/sbin/console-kit-daemon --no-daemon ")
- Apr  1 13:09:48 L1fu510n lightdm: pam_unix(lightdm:session): session closed 
for user lightdm
- Apr  1 13:09:48 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user darian by (uid=0)
- Apr  1 13:09:48 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 13:09:53 L1fu510n dbus[895]: [system] Rejected send message, 2 matched 
rules; type="method_return", sender=":1.2" (uid=0 pid=933 
comm="/usr/sbin/bluetoothd ") interface="(unset)" member="(unset)" error 
name="(unset)" requested_reply="0" destination=":1.278" (uid=1000 pid=19918 
comm="/usr/bin/gnome-shell ")
- Apr  1 13:09:53 L1fu510n polkitd(authority=local): Registered Authentication 
Agent for unix-session:/org/freedesktop/ConsoleKit/Session24 (system bus name 
:1.279 [/usr/bin/gnome-shell], object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
- Apr  1 13:09:56 L1fu510n gnome-keyring-daemon[19831]: unsupported key 
algorithm in certificate: 1.2.840.10045.2.1
- Apr  1 13:11:03  gnome-keyring-daemon[19831]: last message repeated 9 times
- Apr  1 13:11:36 L1fu510n sudo:   darian : TTY=pts/1 ; PWD=/home/darian ; 
USER=root ; COMMAND=/usr/bin/apt-get purge wallch
- Apr  1 13:11:36 L1fu510n sudo: pam_unix(sudo:session): session opened for 
user root by darian(uid=1000)
- Apr  1 13:11:50 L1fu510n sudo: pam_unix(sudo:session): session closed for 
user root
- Apr  1 13:12:33 L1fu510n sudo:   darian : TTY=pts/1 ; PWD=/home/darian ; 
USER=root ; COMMAND=/usr/bin/apt-get install wallch
- Apr  1 13:12:33 L1fu510n sudo: pam_unix(sudo:session): session opened for 
user root by darian(uid=1000)
- Apr  1 13:12:44 L1fu510n sudo: pam_unix(sudo:session): session closed for 
user root
- Apr  1 13:13:16 L1fu510n polkitd(authority=local): Unregistered 
Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session24 
(system bus name :1.279, object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) 
(disconnected from bus)
- Apr  1 13:13:18 L1fu510n dbus[895]: [system] Rejected send message, 2 matched 
rules; type="method_return", sender=":1.2" (uid=0 pid=933 
comm="/usr/sbin/bluetoothd ") interface="(unset)" member="(unset)" error 
name="(unset)" requested_reply="0" destination=":1.291" (uid=1000 pid=21390 
comm="/usr/bin/gnome-shell ")
- Apr  1 13:13:18 L1fu510n polkitd(authority=local): Registered Authentication 
Agent for unix-session:/org/freedesktop/ConsoleKit/Session24 (system bus name 
:1.292 [/usr/bin/gnome-shell], object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
- Apr  1 13:13:19 L1fu510n polkitd(authority=local): Unregistered 
Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session24 
(system bus name :1.292, object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) 
(disconnected from bus)
- Apr  1 13:16:40 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user lightdm by (uid=0)
- Apr  1 13:16:40 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 13:16:41 L1fu510n lightdm: pam_succeed_if(lightdm:auth): requirement 
"user ingroup nopasswdlogin" not met by user "darian"
- Apr  1 13:16:41 L1fu510n dbus[857]: [system] Rejected send message, 2 matched 
rules; type="method_call", sender=":1.43" (uid=104 pid=1740 
comm="/usr/lib/indicator-datetime/indicator-datetime-ser") 
interface="org.freedesktop.DBus.Properties" member="GetAll" error 
name="(unset)" requested_reply="0" destination=":1.35" (uid=0 pid=1483 
comm="/usr/sbin/console-kit-daemon --no-daemon ")
- Apr  1 13:17:00 L1fu510n CRON[1854]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 13:17:00 L1fu510n CRON[1854]: pam_unix(cron:session): session closed 
for user root
- Apr  1 13:17:40 L1fu510n dbus[857]: [system] Rejected send message, 3 matched 
rules; type="error", sender=":1.50" (uid=104 pid=1764 comm="/usr/bin/pulseaudio 
--start --log-target=syslog ") interface="(unset)" member="(unset)" error 
name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" 
destination=":1.3" (uid=0 pid=903 comm="/usr/sbin/bluetoothd ")
- Apr  1 13:18:33  dbus[857]: last message repeated 3 times
- Apr  1 13:19:26  dbus[857]: last message repeated 2 times
- Apr  1 13:19:26 L1fu510n lightdm: pam_unix(lightdm:session): session closed 
for user lightdm
- Apr  1 13:19:26 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user darian by (uid=0)
- Apr  1 13:19:26 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 13:19:30 L1fu510n dbus[857]: [system] Rejected send message, 2 matched 
rules; type="method_return", sender=":1.3" (uid=0 pid=903 
comm="/usr/sbin/bluetoothd ") interface="(unset)" member="(unset)" error 
name="(unset)" requested_reply="0" destination=":1.70" (uid=1000 pid=2016 
comm="/usr/bin/gnome-shell ")
- Apr  1 13:19:31 L1fu510n polkitd(authority=local): Registered Authentication 
Agent for unix-session:/org/freedesktop/ConsoleKit/Session2 (system bus name 
:1.71 [/usr/bin/gnome-shell], object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
- Apr  1 13:19:33 L1fu510n gnome-keyring-daemon[1933]: unsupported key 
algorithm in certificate: 1.2.840.10045.2.1
- Apr  1 13:20:35  gnome-keyring-daemon[1933]: last message repeated 9 times
- Apr  1 13:21:03 L1fu510n lightdm: pam_unix(lightdm:session): session closed 
for user darian
- Apr  1 13:21:04 L1fu510n polkitd(authority=local): Unregistered 
Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session2 
(system bus name :1.71, object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) 
(disconnected from bus)
- Apr  1 13:21:05 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user lightdm by (uid=0)
- Apr  1 13:21:05 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 13:21:06 L1fu510n lightdm: pam_succeed_if(lightdm:auth): requirement 
"user ingroup nopasswdlogin" not met by user "darian"
- Apr  1 13:21:06 L1fu510n dbus[857]: [system] Rejected send message, 2 matched 
rules; type="method_call", sender=":1.86" (uid=104 pid=2525 
comm="/usr/lib/indicator-datetime/indicator-datetime-ser") 
interface="org.freedesktop.DBus.Properties" member="GetAll" error 
name="(unset)" requested_reply="0" destination=":1.35" (uid=0 pid=1483 
comm="/usr/sbin/console-kit-daemon --no-daemon ")
- Apr  1 13:21:09 L1fu510n lightdm: pam_unix(lightdm:session): session closed 
for user lightdm
- Apr  1 13:21:09 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user darian by (uid=0)
- Apr  1 13:21:09 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 13:21:13 L1fu510n dbus[857]: [system] Rejected send message, 2 matched 
rules; type="method_return", sender=":1.3" (uid=0 pid=903 
comm="/usr/sbin/bluetoothd ") interface="(unset)" member="(unset)" error 
name="(unset)" requested_reply="0" destination=":1.103" (uid=1000 pid=2657 
comm="/usr/bin/gnome-shell ")
- Apr  1 13:21:13 L1fu510n polkitd(authority=local): Registered Authentication 
Agent for unix-session:/org/freedesktop/ConsoleKit/Session4 (system bus name 
:1.104 [/usr/bin/gnome-shell], object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
- Apr  1 13:21:16 L1fu510n gnome-keyring-daemon[2573]: unsupported key 
algorithm in certificate: 1.2.840.10045.2.1
- Apr  1 13:22:22  gnome-keyring-daemon[2573]: last message repeated 9 times
- Apr  1 13:22:22 L1fu510n sudo:   darian : TTY=unknown ; PWD=/home/darian ; 
USER=root ; COMMAND=/usr/share/apport/apport-gtk
- Apr  1 13:22:22 L1fu510n sudo: pam_unix(sudo:session): session opened for 
user root by (uid=1000)
- Apr  1 13:22:49 L1fu510n sudo: pam_unix(sudo:session): session closed for 
user root
- Apr  1 13:39:01 L1fu510n CRON[3809]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 13:39:02 L1fu510n CRON[3809]: pam_unix(cron:session): session closed 
for user root
- Apr  1 14:09:01 L1fu510n CRON[4493]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 14:09:01 L1fu510n CRON[4493]: pam_unix(cron:session): session closed 
for user root
- Apr  1 14:17:01 L1fu510n CRON[4524]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 14:17:01 L1fu510n CRON[4524]: pam_unix(cron:session): session closed 
for user root
- Apr  1 14:39:01 L1fu510n CRON[4665]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 14:39:01 L1fu510n CRON[4665]: pam_unix(cron:session): session closed 
for user root
- Apr  1 15:09:01 L1fu510n CRON[4985]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 15:09:01 L1fu510n CRON[4985]: pam_unix(cron:session): session closed 
for user root
- Apr  1 15:17:01 L1fu510n CRON[5032]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 15:17:01 L1fu510n CRON[5032]: pam_unix(cron:session): session closed 
for user root
- Apr  1 15:39:01 L1fu510n CRON[5307]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 15:39:01 L1fu510n CRON[5307]: pam_unix(cron:session): session closed 
for user root
- Apr  1 16:09:01 L1fu510n CRON[5924]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 16:09:01 L1fu510n CRON[5924]: pam_unix(cron:session): session closed 
for user root
- Apr  1 16:16:47 L1fu510n polkitd(authority=local): Unregistered 
Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session4 
(system bus name :1.104, object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) 
(disconnected from bus)
- Apr  1 16:17:01 L1fu510n CRON[6316]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 16:17:01 L1fu510n CRON[6316]: pam_unix(cron:session): session closed 
for user root
- Apr  1 16:18:06 L1fu510n login[1337]: pam_unix(login:session): session opened 
for user darian by LOGIN(uid=0)
- Apr  1 16:21:06 L1fu510n lightdm: pam_unix(lightdm:session): session closed 
for user darian
- Apr  1 16:21:08 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user lightdm by (uid=0)
- Apr  1 16:21:08 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 16:21:09 L1fu510n lightdm: pam_succeed_if(lightdm:auth): requirement 
"user ingroup nopasswdlogin" not met by user "darian"
- Apr  1 16:21:10 L1fu510n dbus[857]: [system] Rejected send message, 2 matched 
rules; type="method_call", sender=":1.131" (uid=104 pid=6778 
comm="/usr/lib/indicator-datetime/indicator-datetime-ser") 
interface="org.freedesktop.DBus.Properties" member="GetAll" error 
name="(unset)" requested_reply="0" destination=":1.35" (uid=0 pid=1483 
comm="/usr/sbin/console-kit-daemon --no-daemon ")
- Apr  1 16:21:30 L1fu510n login[1337]: pam_unix(login:session): session closed 
for user darian
- Apr  1 16:21:35 L1fu510n lightdm: pam_unix(lightdm:session): session closed 
for user lightdm
- Apr  1 16:21:35 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user darian by (uid=0)
- Apr  1 16:21:35 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 16:21:39 L1fu510n dbus[857]: [system] Rejected send message, 2 matched 
rules; type="method_return", sender=":1.3" (uid=0 pid=903 
comm="/usr/sbin/bluetoothd ") interface="(unset)" member="(unset)" error 
name="(unset)" requested_reply="0" destination=":1.153" (uid=1000 pid=6930 
comm="/usr/bin/gnome-shell ")
- Apr  1 16:21:40 L1fu510n polkitd(authority=local): Registered Authentication 
Agent for unix-session:/org/freedesktop/ConsoleKit/Session7 (system bus name 
:1.154 [/usr/bin/gnome-shell], object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
- Apr  1 16:21:42 L1fu510n gnome-keyring-daemon[6849]: unsupported key 
algorithm in certificate: 1.2.840.10045.2.1
- Apr  1 16:22:43  gnome-keyring-daemon[6849]: last message repeated 9 times
- Apr  1 16:36:59 L1fu510n polkitd(authority=local): Unregistered 
Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session7 
(system bus name :1.154, object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) 
(disconnected from bus)
- Apr  1 16:38:00 L1fu510n login[6824]: pam_unix(login:auth): check pass; user 
unknown
- Apr  1 16:38:00 L1fu510n login[6824]: pam_unix(login:auth): authentication 
failure; logname=LOGIN uid=0 euid=0 tty=/dev/tty1 ruser= rhost= 
- Apr  1 16:38:00 L1fu510n login[6824]: pam_winbind(login:auth): getting 
password (0x00000388)
- Apr  1 16:38:00 L1fu510n login[6824]: pam_winbind(login:auth): pam_get_item 
returned a password
- Apr  1 16:38:02 L1fu510n login[6824]: FAILED LOGIN (1) on '/dev/tty1' FOR 
'UNKNOWN', Authentication failure
- Apr  1 16:38:04 L1fu510n login[6824]: pam_unix(login:session): session opened 
for user darian by LOGIN(uid=0)
- Apr  1 16:38:10 L1fu510n sudo:   darian : TTY=tty1 ; PWD=/home/darian ; 
USER=root ; COMMAND=/bin/bash
- Apr  1 16:38:10 L1fu510n sudo: pam_unix(sudo:session): session opened for 
user root by darian(uid=1000)
- Apr  1 16:38:46 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user lightdm by (uid=0)
- Apr  1 16:38:46 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 16:38:47 L1fu510n lightdm: pam_succeed_if(lightdm:auth): requirement 
"user ingroup nopasswdlogin" not met by user "darian"
- Apr  1 16:38:47 L1fu510n dbus[835]: [system] Rejected send message, 2 matched 
rules; type="method_call", sender=":1.40" (uid=104 pid=1583 
comm="/usr/lib/indicator-datetime/indicator-datetime-ser") 
interface="org.freedesktop.DBus.Properties" member="GetAll" error 
name="(unset)" requested_reply="0" destination=":1.34" (uid=0 pid=1423 
comm="/usr/sbin/console-kit-daemon --no-daemon ")
- Apr  1 16:39:01 L1fu510n CRON[1749]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 16:39:01 L1fu510n CRON[1749]: pam_unix(cron:session): session closed 
for user root
- Apr  1 16:40:05 L1fu510n lightdm: pam_unix(lightdm:session): session closed 
for user lightdm
- Apr  1 16:40:05 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user darian by (uid=0)
- Apr  1 16:40:05 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 16:40:09 L1fu510n dbus[835]: [system] Rejected send message, 2 matched 
rules; type="method_return", sender=":1.2" (uid=0 pid=860 
comm="/usr/sbin/bluetoothd ") interface="(unset)" member="(unset)" error 
name="(unset)" requested_reply="0" destination=":1.69" (uid=1000 pid=1971 
comm="/usr/bin/gnome-shell ")
- Apr  1 16:40:10 L1fu510n polkitd(authority=local): Registered Authentication 
Agent for unix-session:/org/freedesktop/ConsoleKit/Session2 (system bus name 
:1.70 [/usr/bin/gnome-shell], object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
- Apr  1 16:40:12 L1fu510n gnome-keyring-daemon[1887]: unsupported key 
algorithm in certificate: 1.2.840.10045.2.1
- Apr  1 16:41:12  gnome-keyring-daemon[1887]: last message repeated 9 times
- Apr  1 17:09:01 L1fu510n CRON[2483]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 17:09:01 L1fu510n CRON[2483]: pam_unix(cron:session): session closed 
for user root
- Apr  1 17:17:01 L1fu510n CRON[2512]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 17:17:01 L1fu510n CRON[2512]: pam_unix(cron:session): session closed 
for user root
- Apr  1 17:39:01 L1fu510n CRON[2537]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 17:39:01 L1fu510n CRON[2537]: pam_unix(cron:session): session closed 
for user root
- Apr  1 18:09:01 L1fu510n CRON[3311]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 18:09:01 L1fu510n CRON[3311]: pam_unix(cron:session): session closed 
for user root
- Apr  1 18:17:01 L1fu510n CRON[3378]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 18:17:01 L1fu510n CRON[3378]: pam_unix(cron:session): session closed 
for user root
- Apr  1 18:27:29 L1fu510n polkitd(authority=local): Unregistered 
Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session2 
(system bus name :1.70, object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) 
(disconnected from bus)
- Apr  1 18:28:27 L1fu510n login[1307]: pam_unix(login:session): session opened 
for user darian by LOGIN(uid=0)
- Apr  1 18:32:55 L1fu510n sudo:   darian : TTY=tty1 ; PWD=/var/log ; USER=root 
; COMMAND=/sbin/reboot
- Apr  1 18:32:55 L1fu510n sudo: pam_unix(sudo:session): session opened for 
user root by darian(uid=1000)
- Apr  1 18:32:55 L1fu510n sudo: pam_unix(sudo:session): session closed for 
user root
- Apr  1 18:33:36 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user lightdm by (uid=0)
- Apr  1 18:33:36 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 18:33:37 L1fu510n lightdm: pam_succeed_if(lightdm:auth): requirement 
"user ingroup nopasswdlogin" not met by user "darian"
- Apr  1 18:33:37 L1fu510n dbus[858]: [system] Rejected send message, 2 matched 
rules; type="method_call", sender=":1.43" (uid=104 pid=1735 
comm="/usr/lib/indicator-datetime/indicator-datetime-ser") 
interface="org.freedesktop.DBus.Properties" member="GetAll" error 
name="(unset)" requested_reply="0" destination=":1.27" (uid=0 pid=1385 
comm="/usr/sbin/console-kit-daemon --no-daemon ")
- Apr  1 18:34:09 L1fu510n lightdm: pam_unix(lightdm:session): session closed 
for user lightdm
- Apr  1 18:34:09 L1fu510n lightdm: pam_unix(lightdm:session): session opened 
for user darian by (uid=0)
- Apr  1 18:34:09 L1fu510n lightdm: pam_ck_connector(lightdm:session): nox11 
mode, ignoring PAM_TTY :0
- Apr  1 18:34:13 L1fu510n dbus[858]: [system] Rejected send message, 2 matched 
rules; type="method_return", sender=":1.3" (uid=0 pid=900 
comm="/usr/sbin/bluetoothd ") interface="(unset)" member="(unset)" error 
name="(unset)" requested_reply="0" destination=":1.71" (uid=1000 pid=1955 
comm="/usr/bin/gnome-shell ")
- Apr  1 18:34:13 L1fu510n polkitd(authority=local): Registered Authentication 
Agent for unix-session:/org/freedesktop/ConsoleKit/Session2 (system bus name 
:1.72 [/usr/bin/gnome-shell], object path 
/org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
- Apr  1 18:34:16 L1fu510n gnome-keyring-daemon[1868]: unsupported key 
algorithm in certificate: 1.2.840.10045.2.1
- Apr  1 18:35:04  gnome-keyring-daemon[1868]: last message repeated 9 times
- Apr  1 18:39:01 L1fu510n CRON[2585]: pam_unix(cron:session): session opened 
for user root by (uid=0)
- Apr  1 18:39:01 L1fu510n CRON[2585]: pam_unix(cron:session): session closed 
for user root
- Apr  1 18:39:01 L1fu510n sudo:   darian : TTY=pts/0 ; PWD=/var/log ; 
USER=root ; COMMAND=/bin/bash
- Apr  1 18:39:01 L1fu510n sudo: pam_unix(sudo:session): session opened for 
user root by darian(uid=1000)
- --- 
+ ---
  ApportVersion: 2.0.1-0ubuntu2
  Architecture: amd64
  DistroRelease: Ubuntu 12.04
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  NonfreeKernelModules: nvidia
  Package: policykit-1-gnome 0.105-1ubuntu3
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Tags:  precise
  Uname: Linux 3.2.0-23-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
- --- 
- ApportVersion: 2.0.1-0ubuntu2
- Architecture: amd64
- DistroRelease: Ubuntu 12.04
- InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
- NonfreeKernelModules: nvidia
- Package: policykit-1-gnome 0.105-1ubuntu3
- PackageArchitecture: amd64
- ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
- Tags:  precise
- Uname: Linux 3.2.0-23-generic x86_64
- UpgradeStatus: No upgrade log present (probably fresh install)
- UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

** Changed in: policykit-1-gnome (Ubuntu)
       Status: Incomplete => New

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https://bugs.launchpad.net/bugs/970897

Title:
  polkitd reports "Unregistered Authentication Agent" crashing Gnome
  windowing - sporadically (?)

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