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-   -   Can't always switch user account in Ubuntu 13.10 (Saucy Salamander) (http://www.linuxquestions.org/questions/linux-desktop-74/cant-always-switch-user-account-in-ubuntu-13-10-saucy-salamander-4175491812/)

wichiff 01-19-2014 12:03 PM

Can't always switch user account in Ubuntu 13.10 (Saucy Salamander)
 
Hello,

Since I upgraded to ubuntu 13.10 (from 13.04), it's not always possible to switch users:
a black screen and an arrow are displayed when an attempt is made to switch from a logged-in account to another one.

My desktop is Unity. I haven't installed another one.
The display manager is lightdm.

The system does not freeze, it's possible to escape by going into a console with Ctrl-alt-F1
and kill the current session to return to the login screen. Still, it's annoying.

I rebooted after removing .Xauthority files, including /var/lib/lightdm/.Xauthority,
but the problem comes back after a day or two.

Do you have any idea what's going on ?

fuorviato 01-20-2014 04:48 AM

What does your
Quote:

/var/log/Xorg.0.log
say?

wichiff 01-20-2014 05:10 AM

I rebooted this morning, and the switch-user feature works. Let us wait until the problem comes back.

fuorviato 01-20-2014 05:16 AM

All right. In case it doesn't, wait few days and mark the thread as "SOLVED" please.

wichiff 01-21-2014 03:28 AM

The problem is back.

Here is a link to the latest Xorg.0.log

In ~/.xsession-errors, there is:

Code:

Script for ibus started at run_im.
Script for auto started at run_im.
Script for default started at run_im.
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd main process ended, respawning
init: at-spi2-registryd respawning too fast, stopped


fuorviato 01-21-2014 01:01 PM

Can you reproduce the problem and attach 50 last lines of
Quote:

/var/log/syslog
?

After switching mine looks like this:

J
Quote:

an 21 19:55:27 fuorviatos kernel: [51576.337902] type=1400 audit(1390330527.536:32): apparmor="DENIED" operation="open" parent=1 profile="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" name="/proc/13634/cmdline" pid=13628 comm="dbus-daemon" requested_mask="r" denied_mask="r" fsuid=115 ouid=0
Jan 21 19:55:27 fuorviatos kernel: [51576.338986] type=1400 audit(1390330527.536:33): apparmor="DENIED" operation="open" parent=1 profile="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" name="/proc/13633/cmdline" pid=13628 comm="dbus-daemon" requested_mask="r" denied_mask="r" fsuid=115 ouid=0
Jan 21 19:55:27 fuorviatos kernel: [51576.343086] type=1400 audit(1390330527.540:34): apparmor="DENIED" operation="open" parent=1 profile="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" name="/proc/13636/cmdline" pid=13628 comm="dbus-daemon" requested_mask="r" denied_mask="r" fsuid=115 ouid=0
Jan 21 19:55:27 fuorviatos kernel: [51576.344533] type=1400 audit(1390330527.544:35): apparmor="DENIED" operation="open" parent=1 profile="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" name="/proc/13637/cmdline" pid=13628 comm="dbus-daemon" requested_mask="r" denied_mask="r" fsuid=115 ouid=0
Jan 21 19:55:27 fuorviatos kernel: [51576.380844] type=1400 audit(1390330527.580:36): apparmor="DENIED" operation="open" parent=1 profile="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" name="/proc/13643/cmdline" pid=13628 comm="dbus-daemon" requested_mask="r" denied_mask="r" fsuid=115 ouid=0
Jan 21 19:55:28 fuorviatos kernel: [51577.729913] type=1400 audit(1390330528.928:37): apparmor="DENIED" operation="mount" parent=1 profile="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" name="/tmp/guest-O7IkJZ/.gvfs/" pid=13653 comm="gvfs-fuse-daemo" fstype="fuse.gvfs-fuse-daemon" srcname="gvfs-fuse-daemon" flags="rw, nosuid, nodev"

For better understanding: You are experiencing this issue with all accounts or only some of them?
Can you create one more and check if you're able to switch to it?

wichiff 01-21-2014 01:56 PM

Yes, there are 2 user accounts and the problem happens when I try to switch from user1 to user2 or from user2 to user1.

I created user3 and I can't switch from user3 to user1 or vice versa.

Here are lines from /var/log/syslog:

there is a compiz segfault at some point.

Code:

host colord: Profile removed: icc-55303de648d08ecf6fe6b3629444798e
Jan 21 20:33:28 host acpid: client 32489[0:0] has disconnected
Jan 21 20:33:28 host acpid: client 32489[0:0] has disconnected
Jan 21 20:33:28 host acpid: client 1050[0:0] has disconnected
Jan 21 20:33:28 host acpid: client 1050[0:0] has disconnected
Jan 21 20:33:28 host acpid: client connected from 1119[0:0]
Jan 21 20:33:28 host acpid: 1 client rule loaded
Jan 21 20:33:28 host acpid: client connected from 1119[0:0]
Jan 21 20:33:28 host acpid: 1 client rule loaded
Jan 21 20:33:29 host dbus[954]: [system] Activating service name='org.freedesktop.systemd1' (using servicehelper)
Jan 21 20:33:29 host dbus[954]: [system] Successfully activated service 'org.freedesktop.systemd1'
Jan 21 20:33:29 host colord: Device added: xrandr-LVDS1
Jan 21 20:33:29 host colord: Automatic metadata add icc-8ace54019e5280438a689120a597c0db to xrandr-LVDS1
Jan 21 20:33:29 host colord: Profile added: icc-8ace54019e5280438a689120a597c0db
Jan 21 20:33:29 host pulseaudio[1279]: [pulseaudio] authkey.c: Failed to open cookie file '/var/lib/lightdm/.config/pulse/cookie': No such file or directory
Jan 21 20:33:29 host pulseaudio[1279]: [pulseaudio] authkey.c: Failed to load authorization key '/var/lib/lightdm/.config/pulse/cookie': No such file or directory
Jan 21 20:33:29 host rtkit-daemon[1987]: Successfully made thread 1326 of process 1326 (n/a) owned by '104' high priority at nice level -11.
Jan 21 20:33:29 host rtkit-daemon[1987]: Supervising 4 threads of 2 processes of 2 users.
Jan 21 20:33:29 host goa[1328]: goa-daemon version 3.8.3 starting [main.c:113, main()]
Jan 21 20:33:29 host rtkit-daemon[1987]: Successfully made thread 1356 of process 1326 (n/a) owned by '104' RT at priority 5.
Jan 21 20:33:29 host rtkit-daemon[1987]: Supervising 5 threads of 2 processes of 2 users.
Jan 21 20:33:29 host rtkit-daemon[1987]: Successfully made thread 1360 of process 1326 (n/a) owned by '104' RT at priority 5.
Jan 21 20:33:29 host rtkit-daemon[1987]: Supervising 6 threads of 2 processes of 2 users.
Jan 21 20:33:29 host pulseaudio[1326]: [pulseaudio] authkey.c: Failed to open cookie file '/var/lib/lightdm/.config/pulse/cookie': No such file or directory
Jan 21 20:33:29 host pulseaudio[1326]: [pulseaudio] authkey.c: Failed to load authorization key '/var/lib/lightdm/.config/pulse/cookie': No such file or directory
Jan 21 20:33:31 host kernel: [86828.582061] [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:23:6c:9a:bb:80:08:00 SRC=10.0.1.2 DST=224.0.0.1 LEN=44 TOS=0x00 PREC=0x00 TTL=1 ID=35211 PROTO=UDP SPT=64144 DPT=8612 LEN=24
Jan 21 20:33:38 host colord: device removed: xrandr-LVDS1
Jan 21 20:33:38 host colord: Profile removed: icc-8ace54019e5280438a689120a597c0db
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.enable-disable-network: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.sleep-wake: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.enable-disable-wifi: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.enable-disable-wwan: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.enable-disable-wimax: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.network-control: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.wifi.share.protected: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.wifi.share.open: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.settings.modify.system: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.settings.modify.own: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host NetworkManager[1124]: <warn> error requesting auth for org.freedesktop.NetworkManager.settings.modify.hostname: (3) GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get UID of name ':1.776': no such name
Jan 21 20:33:38 host gnome-session[1717]: WARNING: Could not parse desktop file jupiter.desktop or it references a not found TryExec binary
Jan 21 20:33:38 host gnome-session[1717]: WARNING: Could not parse desktop file indicator-ubuntuone.desktop or it references a not found TryExec binary
Jan 21 20:33:38 host gnome-session[1717]: WARNING: Could not parse desktop file jupiter-startup.desktop or it references a not found TryExec binary
Jan 21 20:33:39 host colord: Device added: xrandr-LVDS1
Jan 21 20:33:39 host colord: Automatic metadata add icc-08eb5743f9015502fb498e395d858031 to xrandr-LVDS1
Jan 21 20:33:39 host colord: Profile added: icc-08eb5743f9015502fb498e395d858031
Jan 21 20:33:39 host goa[2042]: goa-daemon version 3.8.3 starting [main.c:113, main()]
Jan 21 20:33:39 host nautilus: [N-A] Nautilus-Actions Menu Extender 3.2.2 initializing...
Jan 21 20:33:39 host nautilus: [N-A] Nautilus-Actions Tracker 3.2.2 initializing...
Jan 21 20:33:45 host kernel: [86842.728867] [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:23:6c:9a:bb:80:08:00 SRC=10.0.1.2 DST=224.0.0.1 LEN=44 TOS=0x00 PREC=0x00 TTL=1 ID=64961 PROTO=UDP SPT=59271 DPT=8612 LEN=24
Jan 21 20:34:02 host wpa_supplicant[1345]: wlan0: WPA: Group rekeying completed with 00:1e:52:6c:0f:63 [GTK=TKIP]
Jan 21 20:34:07 host kernel: [86864.256882] [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:23:6c:9a:bb:80:08:00 SRC=10.0.1.2 DST=224.0.0.1 LEN=44 TOS=0x00 PREC=0x00 TTL=1 ID=33107 PROTO=UDP SPT=55972 DPT=8612 LEN=24
Jan 21 20:34:28 host kernel: [86885.477196] [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:23:6c:9a:bb:80:08:00 SRC=10.0.1.2 DST=224.0.0.1 LEN=44 TOS=0x00 PREC=0x00 TTL=1 ID=50322 PROTO=UDP SPT=54795 DPT=8612 LEN=24
Jan 21 20:34:49 host kernel: [86906.697369] [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:23:6c:9a:bb:80:08:00 SRC=10.0.1.2 DST=224.0.0.1 LEN=44 TOS=0x00 PREC=0x00 TTL=1 ID=10510 PROTO=UDP SPT=62387 DPT=8612 LEN=24
Jan 21 20:35:11 host kernel: [86927.917818] [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:23:6c:9a:bb:80:08:00 SRC=10.0.1.2 DST=224.0.0.1 LEN=44 TOS=0x00 PREC=0x00 TTL=1 ID=17180 PROTO=UDP SPT=62837 DPT=8612 LEN=24
Jan 21 20:35:25 host kernel: [86942.372095] [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:23:6c:9a:bb:80:08:00 SRC=10.0.1.2 DST=224.0.0.1 LEN=44 TOS=0x00 PREC=0x00 TTL=1 ID=25215 PROTO=UDP SPT=61015 DPT=8612 LEN=24
Jan 21 20:35:32 host acpid: client connected from 2414[0:0]
Jan 21 20:35:32 host acpid: 1 client rule loaded
Jan 21 20:35:33 host acpid: client connected from 2414[0:0]
Jan 21 20:35:33 host acpid: 1 client rule loaded
Jan 21 20:35:46 host kernel: [86963.597842] [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:23:6c:9a:bb:80:08:00 SRC=10.0.1.2 DST=224.0.0.1 LEN=44 TOS=0x00 PREC=0x00 TTL=1 ID=33440 PROTO=UDP SPT=57781 DPT=8612 LEN=24
Jan 21 20:36:01 host kernel: [86978.560017] compiz[1916]: segfault at 7f32a1a5e1b0 ip 00007f32a1a5e1b0 sp 00007fff1ac676e8 error 15 in libcompiz_core.so.0.9.10.2[7f32a1a5a000+5000]
Jan 21 20:36:01 host colord: device removed: xrandr-LVDS1
Jan 21 20:36:01 host colord: Profile removed: icc-08eb5743f9015502fb498e395d858031
Jan 21 20:36:01 host acpid: client 1119[0:0] has disconnected
Jan 21 20:36:01 host acpid: client 1119[0:0] has disconnected
Jan 21 20:36:01 host acpid: client 2414[0:0] has disconnected
Jan 21 20:36:01 host acpid: client 2414[0:0] has disconnected
Jan 21 20:36:01 host acpid: client connected from 2498[0:0]
Jan 21 20:36:01 host acpid: 1 client rule loaded
Jan 21 20:36:01 host acpid: client connected from 2498[0:0]
Jan 21 20:36:01 host acpid: 1 client rule loaded
Jan 21 20:36:02 host dbus[954]: [system] Activating service name='org.freedesktop.systemd1' (using servicehelper)
Jan 21 20:36:02 host dbus[954]: [system] Successfully activated service 'org.freedesktop.systemd1'
Jan 21 20:36:02 host colord: Device added: xrandr-LVDS1
Jan 21 20:36:02 host colord: Automatic metadata add icc-8ace54019e5280438a689120a597c0db to xrandr-LVDS1
Jan 21 20:36:02 host colord: Profile added: icc-8ace54019e5280438a689120a597c0db
Jan 21 20:36:02 host pulseaudio[2619]: [pulseaudio] authkey.c: Failed to open cookie file '/var/lib/lightdm/.config/pulse/cookie': No such file or directory
Jan 21 20:36:02 host pulseaudio[2619]: [pulseaudio] authkey.c: Failed to load authorization key '/var/lib/lightdm/.config/pulse/cookie': No such file or directory
Jan 21 20:36:02 host rtkit-daemon[1987]: Successfully made thread 2651 of process 2651 (n/a) owned by '104' high priority at nice level -11.
Jan 21 20:36:02 host rtkit-daemon[1987]: Supervising 1 threads of 1 processes of 1 users.
Jan 21 20:36:02 host rtkit-daemon[1987]: Successfully made thread 2664 of process 2651 (n/a) owned by '104' RT at priority 5.
Jan 21 20:36:02 host rtkit-daemon[1987]: Supervising 2 threads of 1 processes of 1 users.
Jan 21 20:36:02 host rtkit-daemon[1987]: Successfully made thread 2665 of process 2651 (n/a) owned by '104' RT at priority 5.
Jan 21 20:36:02 host rtkit-daemon[1987]: Supervising 3 threads of 1 processes of 1 users.
Jan 21 20:36:02 host goa[2660]: goa-daemon version 3.8.3 starting [main.c:113, main()]
Jan 21 20:36:02 host pulseaudio[2651]: [pulseaudio] authkey.c: Failed to open cookie file '/var/lib/lightdm/.config/pulse/cookie': No such file or directory
Jan 21 20:36:02 host pulseaudio[2651]: [pulseaudio] authkey.c: Failed to load authorization key '/var/lib/lightdm/.config/pulse/cookie': No such file or directory
Jan 21 20:36:07 host kernel: [86984.812064] [UFW BLOCK] IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:23:6c:9a:bb:80:08:00 SRC=10.0.1.2 DST=224.0.0.1 LEN=44 TOS=0x00 PREC=0x00 TTL=1 ID=45408 PROTO=UDP SPT=59081 DPT=8612 LEN=24
Jan 21 20:36:10 host acpid: client 2498[0:0] has disconnected
Jan 21 20:36:10 host acpid: client connected from 2498[0:0]
Jan 21 20:36:10 host acpid: 1 client rule loaded
Jan 21 20:36:17 host colord: device removed: xrandr-LVDS1
Jan 21 20:36:17 host colord: Profile removed: icc-8ace54019e5280438a689120a597c0db
Jan 21 20:36:17 host dbus[954]: [system] Activating service name='org.freedesktop.systemd1' (using servicehelper)
Jan 21 20:36:17 host dbus[954]: [system] Successfully activated service 'org.freedesktop.systemd1'
Jan 21 20:36:18 host rtkit-daemon[1987]: Successfully made thread 3195 of process 3195 (n/a) owned by '1000' high priority at nice level -11.
Jan 21 20:36:18 host rtkit-daemon[1987]: Supervising 4 threads of 2 processes of 2 users.
Jan 21 20:36:18 host rtkit-daemon[1987]: Successfully made thread 3240 of process 3195 (n/a) owned by '1000' RT at priority 5.
Jan 21 20:36:18 host rtkit-daemon[1987]: Supervising 5 threads of 2 processes of 2 users.
Jan 21 20:36:18 host rtkit-daemon[1987]: Successfully made thread 3243 of process 3195 (n/a) owned by '1000' RT at priority 5.
Jan 21 20:36:18 host rtkit-daemon[1987]: Supervising 6 threads of 2 processes of 2 users.
Jan 21 20:36:18 host goa[3260]: goa-daemon version 3.8.3 starting [main.c:113, main()]
Jan 21 20:36:18 host rtkit-daemon[1987]: Successfully made thread 3270 of process 3270 (n/a) owned by '1000' high priority at nice level -11.
Jan 21 20:36:18 host rtkit-daemon[1987]: Supervising 7 threads of 3 processes of 2 users.
Jan 21 20:36:18 host pulseaudio[3270]: [pulseaudio] pid.c: Daemon already running.
Jan 21 20:36:18 host rtkit-daemon[1987]: Successfully made thread 3275 of process 3275 (n/a) owned by '1000' high priority at nice level -11.
Jan 21 20:36:18 host rtkit-daemon[1987]: Supervising 7 threads of 3 processes of 2 users.
Jan 21 20:36:18 host pulseaudio[3275]: [pulseaudio] pid.c: Daemon already running.
Jan 21 20:36:18 host colord: Device added: xrandr-LVDS1
Jan 21 20:36:18 host colord: Automatic metadata add icc-08eb5743f9015502fb498e395d858031 to xrandr-LVDS1
Jan 21 20:36:18 host colord: Profile added: icc-08eb5743f9015502fb498e395d858031
Jan 21 20:36:18 host nautilus: [N-A] Nautilus-Actions Menu Extender 3.2.2 initializing...
Jan 21 20:36:18 host nautilus: [N-A] Nautilus-Actions Tracker 3.2.2 initializing...


fuorviato 01-27-2014 04:47 AM

Can you try logging in with unity 2d to check if the hang persists?

wichiff 01-27-2014 05:26 AM

- I don't think so: unity-2d is a dummy package.

http://www.webupd8.org/2012/08/unity...y-default.html

Is it worth trying XFCE ?

- I did not have to wait for a day after reboot before seeing the hang again.
It happened after the machine had been suspended for a few minutes.

Someone else thinks it is a screensaver issue and Launchpad has this Saucy bug:
https://bugs.launchpad.net/ubuntu/+s...r/+bug/1259940

fuorviato 01-28-2014 11:03 AM

I've asked you about unity2d to make sure the hang is not related to 3rd acceleration.
AFAIK, unity will enable compiz by default, so the only way is to boot to different environment to check if the problem is still there.
XFCE is fair enough IMHO, just for test.

wichiff 01-29-2014 06:31 AM

I downgraded gnome-screensaver to 3.6.1-0ubuntu6.
We'll see what happens.
If the hang comes back I will probably try XFCE desktop.

fuorviato 01-29-2014 10:32 AM

Another solution is to boot up a live cd with 13.10 and reproduce all the steps causing the hang. If it doesn't happen, that means your issue is related to the upgrade, so doing a fresh install may solve it.
(when creating a live cd, make sure to preserve some empty space for the config/temp files that are being saved on the device)

wichiff 02-02-2014 04:39 AM

The problem came back.

Interesting: I installed XFCE4 (xfce4 package, not xubuntu-desktop) with xfswitch-plugin.
The same problem happens with 'switch user'. What does it suggest ?

Lock/unlock with xscreensaver does work.

wichiff 03-17-2014 07:39 AM

I tried to replace lightdm (display manager) with gdm, as suggested here:

http://askubuntu.com/a/421880/1780

It seems to go fine.

I haven't tried the development version of lightdm yet.

ivtec 03-22-2014 04:09 PM

I don't understand why you want to run Ubuntu 13.10 while you have already a stable lts 14.04 version that is more stable then 13.10!


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