Ubuntu Multimedia :: Playing LP's Cause A Screen Lock-up?
May 10, 2011
Last week I had a total screen lock-up, which I overcame by rebooting using the reset button. At the time I was playing solitaire (sad, I know!), while listening to a vinyl LP, the setup being turntable > preamp > line- in socket, and running JACK Audio Connection Kit. No other apps were running, but I had played several LP's before the lock-up occurred. I have 1GB of memory installed, but could it have become overloaded playing the LP's, and thereby caused the lock-up? I'm running 10.10
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Apr 5, 2010
When i log in as root, and try to click the lock screen button, lock screen doesnt work? Is it disabled by default?is there anyway to lock screen when logged in as root
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Jul 11, 2015
Just upgraded to Jessie from Wheezy. The process went smoothly.
I've noticed the lock screen is inescapable. The "Unlock" button does nothing, the keyboard is completely disabled, and all I have is a clock to stare at for all of eternity until I force a reboot. It doesn't hang or freeze, I'm just unable to get out of the lock screen. I've tried configuring the widgets and stuff in the System Settings, but I can't make it usable.
It was working perfectly in Wheezy, and is a pretty important feature that I use all the time when other people are around and I need to leave my station.
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Apr 15, 2010
Video card: nVidia G86 GeForce 8500 GT (rev a1) (lspci | grep VGA) Monitor: Samsung LN40C530, recently switch to from a generic Gateway 17" monitor that worked fine I've been using 9.10 x64 from a clean install since it came out and it's been working great. I recently upgraded my monitor from a generic 17" Gateway monitor to a Samsung 40" widescreen HDTV (LN40C530), and that's when the trouble began. At first, the screen would lock up and become inactive. I could move the mouse, but clicking did nothing and the clock wouldn't update. I also could not switch to a terminal via Alt+F1, I could only do a hard reboot.
Then, when it started booting up, I would get horizontal black and white lines (which I'm still getting). Usually, it boots to the white glowing Ubuntu logo as files load in the background (@ 640x480, 60hz). When it tries to bring up the login screen (autodetected 1920x1080, 60z), I get horizontal white lines across. (see pics) Happens booting off both Live CD and HDD. When I use safe graphics mode on live cd, it boots okay @ 1600x1200, 60hz. After installing under safe graphics mode, it gives me a message "no modes available, resolution unsupported".
Right now, I'm back at trying to install 9.10 x64 (Karmic Koala) with either 1920x1080 or 1360x768 @ 60hz. I'm using a DVI out to a DVI/VGA adapter, and a VGA cable between the adapter and the PC port on TV. I've tried default configurations, restricted drivers 173, 185, and nVidia's 195. When I'm able to get to a terminal, I've tried sudo X -configure, but testing w/ X -config yields the same broken result. When I Alt+k+PrntScr, it does refresh but brings up the same white lines. Sometimes it boots just fine and even autodetects as "Samsung 40", but not as of the last 30 or so boots. Let me know where I can start for proper troubleshooting; I'm not sure which log files are important for this issue. Do you think I might just need to create a customized X config with exactly what I need?
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May 3, 2010
System Specs:
RAM: 1GB
Mother board: P4P800 VM
Video: Internal (plus a tuner card I don't use
OS: Ubuntu 10.04 (with latest updates
Ok so a brief description. The comp initially had an ATI Radeon X1600 card I removed because it was giving more trouble than it was worth. I'll add it later if there is a chance it might make things batter. (NB the computer was painfully slow with the card installed... runs faster without it)
I installed the restricted formats pakage as per the instructions found at: [URL]
So I installed the ubuntu-restricted-extras package and then ran:
sudo /usr/share/doc/libdvdread4/install-css.sh
sudo apt-get install ubuntu-restricted-extras
in the terminal.
Now here is what happens. The DVD plays as I can hear it but the screen is black. moving the screen i'll get glimpses of video but not much. This happens in MOvie PLayer and in VLC. However with VLC by moving it around and going full screen I manage to get the video component working as well.
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Jul 1, 2011
I have set up minimal debian installation with pekwm, tint2, xscreensaver and friends. When I press Fn+F4 on my thinkpad or run pm-suspend from root terminal, it suspends just fine (yay), but when I resume, I get instantly logged in into my account. What I'd like to have, is that xscreensaver locks my session after suspend, so that I have to type in my password in order to continiue working.
PS. In /etc/default/acpi-support I have LOCK_SCREEN=true
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Aug 17, 2011
i have a intel video card (laptop)when i try to watch movie, i get a blackscreen..... but i listen the soundMPlayer2 2.0 (C) 2000-2011 MPlayer Team
Playing_game.avi.
Detected file format: AVI format (libavformat)
[lavf] stream 0: video (mpeg4), -vid 0
[code]...
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Jan 17, 2011
When playing videos (mpeg,avi,mkv,wmv) with Smplayer all I get is a transparent screen. Other players work fine.
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Oct 15, 2010
When I play a video web stream full-screen, the image randomly freezes. I can still move the mouse and hear the audio, but I can't click on anything, and I can't get out of full-screen. No keyboard commands that I know work, and so I end up having to hold down the power button to kill the machine.
This didn't happen in Ubuntu, so I'm pretty sure it's not a hardware issue. And I changed the power management settings to do nothing, but it still happens. So, I don't know what the deal is. Should I try a different flash player (I have the adobe player as default)?
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Sep 18, 2015
What I mean by black screen is that whenever I view a video or if there is video content anywhere on the page, my whole monitor goes black for around 3 seconds then plays the video content.
I am running Jessie 8.2 by the way.
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Jan 21, 2011
-Ubuntu 10.04 with MPlayer/Smplayer & VLC installed via the repos. -Installed the Ubuntu Restricted Extras package (everything except flash, extra fonts, & java) & w32codec packgae (medibuntu). -Computer in question is 800mhz Celeron, 256MB RAM & one of those basic Intel Integrated Graphics Chip. I'm having problems playing some video files. When trying to play these files with Smplayer, I get a blue screen but can still hear audio (default video output). After switching the video output to x11(slow), I can now see the picture but it's not playable (some video will show maybe one frame every 2 seconds, some video would play for half-a-second then just freeze). This happens mainly with large files (not 100% accurate, but in general files over 300MB).
Mplayer log gives the "Your system is too slow to play this file" & "Bad alloc:insufficient resources" messages. So I'm guessing this is not a codec problem, but a system resources problem? Is there any option, trick, tweaks, etc. I can use to play these problematic files or is it just not possible because of my system specifications? Is there a way I could tell mplayer to play these files with lower bitrates & resolution? Maybe this could reduce the resources needed to play?
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Dec 17, 2014
when i want to opening lock screen and after entering password take too long time to open lock scrren and i can not find what is the problem.i can not find any clue in my logs, so this is some of syslog :
Code: Select allDec 17 21:19:34 ali-deb gnome-session[2274]: (gnome-shell:2421): Gtk-WARNING **: Symbolic icon /home/ali/.local/share/gnome-shell/extensions/lockkeys@vaina.lt/icons/numlock-disabled-symbolic.svg is not in an icon theme directory
Dec 17 21:19:34 ali-deb gnome-session[2274]: (gnome-shell:2421): Gtk-WARNING **: Symbolic icon /home/ali/.local/share/gnome-shell/extensions/lockkeys@vaina.lt/icons/capslock-disabled-symbolic.svg is not in an icon theme directory
Dec 17 21:19:34 ali-deb gnome-session[2274]: (gnome-shell:2421): GLib-GObject-WARNING **: /tmp/buildd/glib2.0-2.42.1/./gobject/gsignal.c:2579:
[code]...
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May 15, 2015
I am using gnome-shell (3.14.4-1) desktop environment and i have a problem that i can not find any config to solve it, Lock screen turn off and on again display every 15 seconds with out any reasonable reason !!!!
(Same in ubuntu : [URL] ...)
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Jun 3, 2015
I am running Debian 8 with the Xfce Desktop Environment.
I was unhappy with the lock screen on Xfce so I removed xscreensaver and wrote a short custom locking script, which basically involves using i3lock along with some additional commands to make things pretty. I was able to change the default locking behaviour by modifying /usr/bin/xflock4 to run my_lock.sh.
Unfortunately, no lock screen appears whenever I suspend ie after waking the computer from suspension I don't need to type a password in. I would like to force Xfce to lock the screen with my_lock.sh before actually suspending, but I don't know how to do this.
I know that Xfce runs Code: Select allxfce4-session-logout -s when suspending, but xfce4-session-logout is a binary file which I cannot edit.
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Mar 12, 2011
With a default 11.4 (64bit) installation, and the one click installer for VLC at VideoLAN - VLC: Free streaming and multimedia solutions for all OS! - if you get a black screen when watching movie files there are 2 solutions.1)-> Go to Tools->Preferences->Video-> Remove the tick for "Accelerated video output (Overlay)"-> Try and play the movie again, you should now see output.2)Download proprietary drivers for your graphics card - I think theres a thread on the forum dedicated to that.
Example, NVIDIA 8600 using the default 11.4 open source drivers (nouveau?) shows a black screen when VLC uses "Accelerated video output".However, installing the proprietary NVIDIA drivers, VLC will successfully show the movie using "Accelerated video output".To clarify the default VLC installation with "Accelerated video output" ticked - works with proprietary NVIDIA drivers - and doesn't without.
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Jan 3, 2010
I have experienced that the button in my main menu "Lock Screen" does nothing, so I can not lock my screen. What could be the problem? Is there any command in terminal what I could write, so I can see is there an error output or something?
I am using Ubuntu 9.10, GNOME.
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Feb 10, 2011
When I was using AntiX, I liked how I could just type "xlock" in a terminal and it would lock the screen until I came back and typed my password. I saw that there was no "xlock" package, so googling around, I saw it was replaced with xlockmore and xlockmore-gl, neither of which there seems to be a package for in the Squeeze repositories. I tried xscreensaver, but I prefer the simplicity of xlock (and I like that it doesn't leave a daemon runnig when not in use). Is there a way to safely install it, or should I just be looking for an alternative?
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Jul 10, 2011
When I hit Alt+Ctrl+L my system is starting the ScreenSaver but not locking the screen. The keybinding is correctly set. This is happening in only root account but in another user account it works perfect !
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Aug 23, 2010
What happens is that I resorted to deleting my .kde directory after my kid destroyed my profile where title bar, menu, konsole get broken. After deleting, I login again thus regenerating the .kde directory. To avoid my kid from messing my desktop, I tried to lock it. It does not lock.
It just need a KDE full restart perhaps since when I login the other day, it now works.
I'm updated to Slackware current for almost a month already and have not played a lot on KDE desktop (busy programming stuff).
However, on day I tried to lock the desktop in KDE to avoid the kid from destroying my cool desktop setting, but it didn't lock. Cool, so I tried screen saver and add an option to lock the screen.
When I test screen saver, it displays. But when I wait for 1 minute(I set it that way), it doesn't fire up. Not even after 15 minutes which I think the default.
It usually work before (several months ago) using the lower version of KDE. It is just last Saturday that I noticed it.
I tried to dig the profile management but I could not find anything relevant there.
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Jan 15, 2010
I'm trying to use 'gnome-screensaver-command --lock' to lock my computer so that when my girl is on it I can **** her off
I can run the command from the terminal and it works just fine, but when I ssh into my computer and try to do it, I get the error
Code:
** Message: Failed to connect to the D-BUS daemon: /bin/dbus-launch terminated abnormally with the following error: Autolaunch error: X11 initialization failed. It'd be nice to be able to lock my screen from wherever.
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Sep 17, 2010
I am using Ubuntu 10.04 LTS. I leave the pc for only a few minutes and when I come back the screen is black. I press a a key or pass the cursor over and it opens but I have to enter my password then press the unlock button.I am none to happy with this happening each time I happen to step away from my computer for a couple of minutes. I would like to know if there is a way to disable or turn off this function
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Mar 31, 2010
Sometimes after I enter my password after the screensaver has locked the screen, it will not take my password (even though entered correctly). It seems to lock up. After about 2 mins it says something about a time-out (wish I could do screencaps). Then it will reset and have a gray window the same size as the password input window but on the upper portion of the screen, and a password entry window as normal, but in the lower part of the screen. This time, it accepts the password and logs me in.This is a 2-part post.First, how to bypass having to wait for the timeout (for whatever is timing out).The second is to see if anyone knows an answer to the problem and a fix.After it freezes, hold CTRL-ALT and tap F1.This will taking you to a virtual terminal. Log in with your username and password. Then type:
Code:
$ pkill screensa
This will match gnome-screensaver and kill the program that is frozen. You then need to type
[code]....
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Apr 6, 2010
I upgraded to latest 10.04 live x64 desktop today. Clean, fresh install.Before I was using 9.04 and had the same issue at first.I don't want the password lock screen when resuming from suspend.I disabled everything, lock in screensaver settings, all lock entries in gconf-editor. I also tried setting LOCK_SCREEN in /etc/default/acpi-support to false.Nothing helps Is this maybe a bug, since it's still beta? I don't know what else to do
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May 28, 2010
How do I disable lock screen in 10.04?
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Jun 9, 2010
I am experiencing a really annoying issue with ubuntu 10.04. Wether the "lock screen when screen saver is enabled"option is ticked or not, it will anyway request me to insert the password.
And that's but the lighter problem: Screen saver keeps poping on while I write, browse and whatever, and changing its properties won't help at all. It just keeps pestering me! (while i'm writing this, i've already had my screensaver popping in about 15 times)
And last but not least, even if I log as administrator and unthick the "request password"... it will always keep asking ... what to do?
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Aug 10, 2010
my desktop cannot be locked anymore. Furthermore, after waking up from suspend, I am straight in the desktop, it does not ask me for my password anymore. The screensaver also does not activate anymore either. I'm still using Ubuntu 9.10 on a Dell Latitude D820.
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Apr 29, 2011
Living with others, I've made it a habit to lock my laptop if I walk away from it (Ctrl+Alt+L), but with the recent upgrade to 11.4 I've run into a problem: when I go to unlock my laptop it just gives me a black screen instead of the "enter your password" menu. All I get is the mouse.
The only work around I have for this is to log into a TTY and then restart the laptop.
In case it's significant, the exact process I go through is as follows: Lock my screen (Ctrl+Alt+L), close the laptop lid (power management is set to just blank the screen instead of suspend), walk away for 10+ minutes, open lid, and then I run into my error.
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May 11, 2011
I have Ubuntu Natty with Gnome.The problem is if I go away, the screen has be locked and if I'm back, then I must put a password to unlock
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Feb 21, 2010
Lock screen button does nothing, is there a way to fix this?
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May 7, 2010
Is there an easy way to lock my computer screen without a screensaver running? What I'm trying to do is basically fire up a web browser or terminal window that I want to watch/monitor but lock my screen so that it can't be changed unless you know the password to log in as that user.
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