Ubuntu :: Switching Users Freezes Workstation Temporarily
Aug 3, 2010
I have been experiencing issues when switching users since my last update; I filed a bug, but I was interested if anybody else was having the same problem:URL...In a nutshell the computer freezes temporarily during the switch user process. The longer it is running, the longer the freeze lasts. When frozen the screen is black except for a mouse pointer; but the mouse and keyboard are not responsive including the usual X command keys (Ctrl-Alt-Del, Ctrl-Alt-Bksp, Ctrl-Alt-F1, etc.).When I get the chance I am going to rollback gdm to see if that makes a difference.
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Jun 19, 2011
When connecting to my Ubuntu box from my Windows 7 machine via Telnet, the session will sometimes freeze for a few seconds before allowing me to continue typing. This seems to happen every few minutes. Both machines are wireless and I am connecting through my local network.
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Jul 11, 2009
The system runs just fine then all of a sudden it "freezes". For example an input box doesn't respond nor can I scroll down the page. But when the system comes out of the freeze 5-15 seconds later, it suddenly does all the input that was used during the freeze. The scroll and letters suddenly show up. I don't loose mouse control and I can do some other system functions but not all of them.
Here are some various system info's
[osprey@host ~]$ uname -a
Linux host.tranquilpenguin.com 2.6.27.25-170.2.72.fc10.i686 #1 SMP Sun Jun 21 19:03:24 EDT 2009 i686 athlon i386 GNU/Linux
[osprey@host ~]$ firefox -v
Mozilla Firefox 3.0.11, Copyright (c) 1998 - 2009 mozilla.org
[osprey@host ~]$ df .....
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Mar 16, 2011
I just installed openSuse 11.4 on my tablet pc HP Pavillion tx 2000 and then I installed Nvidia driver by Yast, adding before the official repository NVidia.Sometimes, it happens that I can move the cursor mouse but when I click nothing happens, while the keyboard works properly. After more some seconds mouse works again.
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Jun 9, 2010
Is there any way I can install an older version of kde like the on on suselinux 10.1 because the newer desktops are very unstable on my computers. stuff closes, stuff freezes temperarly, fortunetly nothing perminent has happened yet but its been threating to abolish my computer. Ive had other cases like this end up making me reinstall my operating system and Id really like to just fix the problem before it happens. page down is overrun with this horribly lagging scroll.buttons look like there clicking occasionally and again it closes programs and has logged me out once already.
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Apr 30, 2011
I recently upgraded from 10.10 to 11.04 and have been unable to switch to console mode (Ctrl+Alt+Fx key combo). The system just freezes on attempt (not even capslock on off works) and the only option is hard reset. I am on a SONY VAIO VGN-CR353, just in case.
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Apr 29, 2010
I have linux workstation. All users home directories are NFS mounts.
Since I am facing packet loss issue users are unable to login to the workstation.
I found the packet loss using mtr from workstation to filer.
Matt's traceroute [v0.54]
Hostname
What are the things I have to check to resolve this packet loss.
Following is the ethtool out put of the workstation
Settings for eth0:
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Jan 15, 2010
I have POPFile in my startup applications. I know how to automatically kill it when login out but cannot find a way to kill it if I just switch users (other than manually stopping it). It's important to kill it when using the switch users function because the new user will have access to the old user's POPFile database, have access to his email, etc, if I do not.I have a "lynx -dump http://127.0.0.1:8080/shutdown &>/dev/null" line in my /etc/gdm/PostSession/Default file that shuts down POPFile at log out. I need to do the same or something similar when switching user. Is there a way?
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Jun 13, 2010
my mother woke up and came in here to get online and when I hit her name on the sign in screen its just stuck with her name on the screen So she woke up me and I hit CANCEL SIGN IN and now its stuck on CANCELING..... And its been like that for 10 min I am too scared to do ctrl alt backspace because its going to log me off of everything
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Oct 15, 2010
Since upgrading from 9.10 to 10.04, the "Switch User" functionality no longer works. I had hoped that upgrading to 10.10 might resolve the issue, but no joy. I am using 32bit Ubuntu 10.10 on a Levono R51 laptop, with three users. 9.10 was installed from a LiveCD, and I have partitioned the hard drive so that OS is in the first partition, and the three home directories are in the second partition (just in case I need to do a complete re-installation from LiveCD). Most of time only one person uses the laptop, but if a second person tries to switch from the current session and log in, they are greeted with the following;
-- a black horizontal line (approx top quarter of the screen)
-- a purple background with the Ubuntu title and 5 red dots (lower 3/4 of screen) -- but no login screen
-- moving the mouse renders a white box (approx 1x1 inches) with some black marks
The original user can recover their session with Ctrl-Alt-F7, but this essentially makes the laptop only usable for one person (one active login) unless the original user logs off.
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Sep 3, 2009
I have 2 workspaces and when i switch to the 2nd one (either with Ctrl-Alt-Left or by clicking with the mouse) after loging in, the desktop freezes. I have to do a Ctrl-Alt-Backspace to kill the xserver and log in again. Removing the workspace switcher and adding it again does not solve the problem. And I can't find any message in the logs.
[code]...
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Mar 29, 2010
As my inspirations forced me to download Kde desktop on my Fedora12 with default gnome desktop. It took me whole night to get the big download by -
"Yum install @kde-desktop"
It got installed successfully.
What I did after that was -
"switchdesk kde"
...Voila...and strange thing happened. The gnome remained there but all the kde features started getting included in there like koffice, kopete etc . Now I waited for around 3 hrs. but only lower task bar of kde got installed and that too very unstable. So I thought of logging out and starting a new session with kde but It never got logged in again. It froze at boot time with Fedora logo, damn.
I have two kernels installed and configured at boot, one is 2.6.31.X (default) and the other is 2.6.32.X which I installed to get my BCM4312 wireless activated and all the activity being done on this.
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Mar 29, 2011
I want to execute a bash script that switches user and then executes a series of commands. None of this users have root privileges. I guess I have to edit the sudoers file to give user1 (the user executing the script) privileges to be able to log as user2 with no password prompt. I've been looking for this example but I haven't found any.
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Feb 28, 2010
I have an external USB drive that is NTFS. It mounts fine under my account and my wife's, but only if I fully shut-down the computer between switching. While switching users or logging out then in with a different account it will not mount the drive. I am not sure what to do... but we both access data from the same drive.
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May 3, 2010
I just upgraded from 9.10 to 10.4. I am having the following problem:
When I attempt to switch from the user that I am currently logged into, to another user who is also logged in, I get a black screen.
To elaborate, here is the exact sequence of events:
Code:
- Boot ubuntu and login to user A
- Then Click on power menu (top right corner) and select: Switch from A
- I get the login screen
- I select user B and enter my password
[Code].....
I did try to change my session (at the login screen) to gnome-failsafe, xterm, even kde, but still I get the black screen.
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Apr 26, 2010
I'm facing an odd issue with my Ubuntu 10.04. So, I have WLAN activated and working on my user account. Then I switch to another account on the same computer and nm-applet tray icon disappears! I have activated the option that all users may use the WLAN connection, but the tray-icon doesn't show up for other users. Only the one who logs in first sees it. Network connection is working properly, but the tray icon would be handy.
Trying to start nm-applet manually in terminal results in an error saying that nm-applet is already running (sure it is, on the first account that logged in). But is it possible to have the tray icon visible for all users?
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Nov 4, 2010
I have a problem where the resolution during bootup, shutdown, switching users, and the theme icons look very grainy & cheap. It might have started when I booted in failsafe graphics mode and after that, it never went away. Could be wrong about how it happened but is there a way to get out of failsafe mode? Or a way to reconfigure default, normal graphics?
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Sep 10, 2015
I'm using Debian Stretch with Gnome and Cinnamon. My desktop computer sports an nvidia geforce 970 gpu (this may be relevant, and it is the reason I had to go with stretch.) I'm not a very experienced linux user but I get along fine.
I'm sharing my computer with my mom and whenever we have to switch users, the computer seems to shut down for 35 seconds: the screen doesn't receive signal anymore. After a new user is chosen, it takes another 35 seconds to get to her session. This is embarassing because my os runs on an ssd and everything else is nice and fast. At first I thought it may be a matter of us two not using the same window manager or not using the "default" window manager, but changing window managers didn't work.
Today I learned about the existence of /var/log/syslog and I decided to check what happened to it when I switched users. I can't post the whole log of what happens because it is too big, but I put it on pastebin : [URL] ....
I understand almost nothing of what is written here, but I saw some interesting things:
- after 35 seconds intervals where nothing is logged, there is a stall on cpu detected (lines 68, 500)
- my gpu seems to have something to do in all this
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Oct 16, 2010
On Ubuntu 10.04 when there are more than just one user logged in, if one of users logs off system hangs with a black screen.
After I reboot the machine and log in again, just after GDM login screen I get a window with a message about PowerMeter crash, with suggestion to 'cancel' and 'log off'. Only 'Log off' works, i.e. I'm successfully logged in.
Last entries from system.log before system freeze are:
Code:
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May 6, 2010
In order to be able to concentrate, I would like to have an applet (or script) to temporarily disable notifications.In the same spirit of Caffeine which inhibits the screensaver when activated.I saw this tip, but would like something which does not require reboot
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Aug 12, 2010
I'm looking to temporarily disable NetworkManager while I configure some things in a shell. It's interfering by auto-reconnecting and using the network interface in the process. I've tried killing the process but that just seems to disconnect the network not kill the NetworkManager applet. I don't want to uninstall, and I don't want to have it disabled on startup. I just want to "close" it or "turn it off" temporarily! How can I do this? Also, I'm using 10.04
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Mar 14, 2010
I've been attempting to install Virtualbox 3.1 on my desktop using the "Add and Remove Software" facility. All attempts result in failure with the "Details" error message box issuing
Quote: Failed to fetch [URL]...armic_i386.deb 302 Moved Temporarily [IP: ::1 3142] I have recently freshly installing Karmic and apt-cacher-ng after a disk crash. I was running Hardy and apt-cacher previously. I successfully installed Virtualbox 3.1 on my laptop through apt-cacher-ng on the desktop machine. However, I now realise that I had neglected to change the entries in /etc/apt/sources.list on my laptop from
[Code]...
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Mar 25, 2010
Having an issue with PlaneShift in regards to this error in terminal:
Code:
Inconsistency detected by ld.so: dl-close.c: 731: _dl_close: Assertion `map->l_init_called' failed! On search of the PlaneShift forums, I saw someone state disabling OpenAL would fix this.
I've searched Google and these forums, but still can't find a guide to disable OpenAL. So how would I go about disabling this temporarily so I can get PlaneShift working?
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Apr 3, 2010
Ubuntu 9.10 64bit
Compiz is installed and running on this OS
$ apt-cache policy compiz
Code:
compiz:
Installed: 1:0.8.4-0ubuntu2
Candidate: 1:0.8.4-0ubuntu2[code]....
How to disable compiz temporarily and re-enable it?I can't find System>Preferences>Compizconfig Settings Manager
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Dec 14, 2010
I'm currently trying to learn how to get around Blender, but I keep running into the same problem. Blender relies heavily on shortcuts and keystrokes to navigate it's GUI, but very often they clash with the shortcuts on my desktop. The result is that the desktop shortcut wins, making Blender impossible to use effectively.
Is there any way to disable the desktop shortcuts temporarily while using the software, and then setting them back when I'm done?
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Feb 15, 2011
Is there a way to just temporarily disable pulseaudio and use alsa instead?
Or run a program under alsa while letting pulse sit in the background?
I'm getting sick and tired of not being able to play any platinum games on wine...
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May 24, 2010
How do I temporarily but completely uninstall Ubuntu 10.4? I can't locate it in my registry, either using RegEdit or Revo Uninstaller. This is temporary. I will re-install on a different computer of mine that has much greater memory.
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Mar 25, 2010
I have had ubuntu installed for a few months now and have been loving it. Yesterday I wanted to get JDK installed for a found a forum that said how to install it on ubuntu. The installation was not a success (I am not sure why because I am not skilled when it comes to the command line and I didn't understand the error). Later, I tried to install a different application just through the ubuntu software center and it said it was waiting for a different software manager to finish. I didn't understand what was still running because I had all other applications closed that I know of.
Once I restarted the problem was the same. Then I found a bug where people had the same problem with the software manager and they entered this and fixed it:
sudo dpkg --configure -a Now whenever I try to apt-get anything I get:
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
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Apr 10, 2010
Today when tried to install a software from the terminal...d command dint work. Check this.
calvin@calvin-desktop:~$ sudo apt-get install pidgin
[sudo] password for calvin:
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
calvin@calvin-desktop:~$
It says that it cannot get lock! I have installed ubuntu along with windows! and drive E: is in windows.
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Aug 6, 2011
As part of my job, I have to configure a lot of network devices that are configured through web pages. This generally means plugging in to them via ethernet, going to their default IP address and reconfiguring them. I set my IP address using ifconfig, which is much faster than plugging numbers in to networkmanager's GUI. The problem is, NetworkManager seems to take the interface down at random.I could disable NetworkManager but then I don't have a wireless connection.Is there a way to tell NetworkManager to temporarily ignore what is happening on a specific interface or should I just ditch NM altogether when doing this kind of work and use wpa_supplicant to get on my wireless?My co-worker with the Windows machine is looking over my shoulder and chuckling
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