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I'm using Ubuntu 12.04 for more than 1 year on my Dell N5010 laptop. It was OK yesterday morning, but when I wanted to save my VirtualBox session, it gaves me an error ( i don't remember exactly but it was about saving in low disk ) and after that I missed my whole desktop. After I restarted my laptop, couldn't load my main user but the guest user works flawlessly. My mouse is enabled there, but I can't have my desktop properly.

I've tried all the solutions that found in this forum but none of them were suitable for this problem. Let me list the things I've done:

  • Upgraded all the packages
  • Removed lightdm and reinstalled it
  • Remove all the ATI card packages
  • Removed whole Compiz configuration for the user
  • Removed compizconfig-setting-manager and reinstalled it
  • Unity won't load at all with unity --reset, unity --replace, setsid unity

At first i thought this problem is for the low space . so i moved some of my files and deleted some by using Ctrl+Alt+F1 and made 22G new space on root.result of df -h:

> Filesystem      Size  Used Avail Use% Mounted on
/dev/sda3        45G   20G   23G  47% /
udev            1.9G  4.0K  1.9G   1% /dev
tmpfs           764M  948K  764M   1% /run
none            5.0M     0  5.0M   0% /run/lock
none            1.9G  292K  1.9G   1% /run/shm
/dev/sda8        81G   29G   52G  36% /Server
none            1.9G   52M  1.9G   3% /tmp/guest-dXl9aQ
/dev/sda6        81G   78G  2.8G  97% /media/Software
/dev/sda9        76G   71G  4.5G  95% /media/Tutorials
/dev/sdc1       7.6G  4.9G  2.7G  65% /media/4861-3CF0
/dev/sda10       11G  8.8G  1.8G  84% /media/New Volume
/dev/sda5        81G   77G  3.5G  96% /media/Install

however i've tried all the desktops that i've installed but only blackbox and recovery-mode work . I think it's a problem with dbus-launcher because when I want to load compizconfig-setting-manager, it says "can't connect to dbus-deamon". I went through Unity doesn't load, no Launcher, no Dash appears and tried most of the replies but couldn't get to a proper solution. These are the steps:

export DISPLAY=:0
ccsm

result :

Backend     : ini
Integration : true
Profile     : default
Adding plugins
Initializing core options...done
Segmentatui fault (core dumped)

then :

unity --reset result :

Checking if settings need to be migrated ...no
Checking if internal files need to be migrated ...no
unity-panel-service: no process found
Backend     : gconf
Integration : true
Profile     : unity
Adding plugins
Initializing core options...done
Initializing composite options...done
WARNING: Unity currently default profile, so switching to metacity while resetting the values
Segmentatui fault (core dumped)

then 

unity --replace

result :

unity-panel-service: no process found
Checking if settings need to be migrated ...no
Checking if internal files need to be migrated ...no
Backend     : gconf
Integration : true
Profile     : unity
Adding plugins
Initializing core options...done
Initializing composite options...done
Initializing opengl options...done
Initializing decor options...done
Initializing vpswitch options...done
Initializing snap options...done
Initializing mousepoll options...done
Initializing resize options...done
Initializing place options...done
Initializing move options...done
Initializing wall options...done
Initializing grid options...done
Initializing session options...done
Initializing gnomecompat options...done
Initializing animation options...done
Initializing fade options...done
Initializing unitymtgrabhandles options...done
Initializing workarounds options...done
Initializing scale options...done
compiz (expo) - Warn: failed to bind image to texture
Initializing expo options...done
Initializing ezoom options...done
Segmentatui fault (core dumped)

then

unity --reset-icons

result :

unity-panel-service: no process found
Checking if settings need to be migrated ...no
Checking if internal files need to be migrated ...no
Backend     : gconf
Integration : true
Profile     : unity
Adding plugins
Initializing core options...done
Initializing composite options...done
Initializing opengl options...done
Initializing decor options...done
Initializing vpswitch options...done
Initializing snap options...done
Initializing mousepoll options...done
Initializing resize options...done
Initializing place options...done
Initializing move options...done
Initializing wall options...done
Initializing grid options...done
Initializing session options...done
Initializing gnomecompat options...done
Initializing animation options...done
Initializing fade options...done
Initializing unitymtgrabhandles options...done
Initializing workarounds options...done
Initializing scale options...done
compiz (expo) - Warn: failed to bind image to texture
Initializing expo options...done
Initializing ezoom options...done
Segmentation fault (core dumped)

I've tried some other solution on that page like installing packages or removing configuration and such things but none of them was helpful.

Community
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OnlyMAJ
  • 234

2 Answers2

0

I would try to go for the simple, raw solution: Restart your system in safe mode (F8 after the BIOS startup), enter in a root terminal with networking capabilities and write:

sudo apt-get install ubuntu-desktop unity

And see what happens. This should restore all the dependencies.

Rho
  • 1,244
  • 1
  • 12
  • 21
0

Make a backup of the following folder from your home folder :
.gnome .gnome2 .gconf .gconfd .metacity

then delete them :

rm -rf .gnome .gnome2 .gconf .gconfd .metacity

Try to login again and I bet it will work. if not, restore your backup.

Edit:
when the very same issue occure last time it was because I had no more space disk on my /home partition
Kiwy
  • 209