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I'm having some troubles getting unity working again.. this problem came after I installed ubuntu updates and removing some repositories (gwibber-daily and some google chrome repos), then I restarted my system, typed the login normaly and then I just get my wallpaper and cursor, I can't select anything or access to right-click menu, I just can open the console (ctrl+alt+t) and control the volume (volume notification appears). Before I opened this thread, I've been searching around the web and I tryed several solutions like installing compizconfig(ccsm) and select unity plugin, restart compiz and unity, etc but nothing solves my problem.. I also reinstalled unity and it didn't work too. When I type on console the command setsid unity to restart unity I get this output:

daniel@daniel-pc:~$ setsid unity
daniel@daniel-pc:~$ compiz (core) - Info: Loading plugin: core
compiz (core) - Info: Starting plugin: core
unity-panel-service: nenhum processo localizado (translate: no process located)
compiz (core) - Info: Loading plugin: ccp
compiz (core) - Info: Starting plugin: ccp
compizconfig - Info: Backend     : gsettings
compizconfig - Info: Integration : true
compizconfig - Info: Profile     : unity
compiz (core) - Info: Loading plugin: composite
compiz (core) - Info: Starting plugin: composite
compiz (core) - Info: Loading plugin: opengl
libGL error: failed to load driver: swrast
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow).
compiz (core) - Info: Starting plugin: opengl
libGL error: failed to load driver: swrast
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
compiz (core) - Info: Loading plugin: compiztoolbox
compiz (core) - Info: Starting plugin: compiztoolbox
compiz (core) - Info: Loading plugin: decor
compiz (core) - Info: Starting plugin: decor
compiz (core) - Info: Loading plugin: vpswitch
compiz (core) - Info: Starting plugin: vpswitch
compiz (core) - Info: Loading plugin: snap
compiz (core) - Info: Starting plugin: snap
compiz (core) - Info: Loading plugin: mousepoll
compiz (core) - Info: Starting plugin: mousepoll
compiz (core) - Info: Loading plugin: resize
compiz (core) - Info: Starting plugin: resize
compiz (core) - Info: Loading plugin: place
compiz (core) - Info: Starting plugin: place
compiz (core) - Info: Loading plugin: move
compiz (core) - Info: Starting plugin: move
compiz (core) - Info: Loading plugin: wall
compiz (core) - Info: Starting plugin: wall
compiz (core) - Info: Loading plugin: grid
compiz (core) - Info: Starting plugin: grid
compiz (core) - Info: Loading plugin: regex
compiz (core) - Info: Starting plugin: regex
compiz (core) - Info: Loading plugin: imgpng
compiz (core) - Info: Starting plugin: imgpng
compiz (core) - Info: Loading plugin: session
compiz (core) - Info: Starting plugin: session
compiz (core) - Info: Loading plugin: gnomecompat
compiz (core) - Info: Starting plugin: gnomecompat
compiz (core) - Info: Loading plugin: animation
compiz (core) - Info: Starting plugin: animation
compiz (core) - Info: Loading plugin: fade
compiz (core) - Info: Starting plugin: fade
compiz (core) - Info: Loading plugin: unitymtgrabhandles
compiz (core) - Info: Starting plugin: unitymtgrabhandles
compiz (core) - Info: Loading plugin: workarounds
compiz (core) - Info: Starting plugin: workarounds
compiz (core) - Info: Loading plugin: scale
compiz (core) - Info: Starting plugin: scale
compiz (core) - Info: Loading plugin: expo
compiz (core) - Info: Starting plugin: expo
compiz (expo) - Warn: failed to bind image to texture
compiz (core) - Info: Loading plugin: ezoom
compiz (core) - Info: Starting plugin: ezoom
compiz (core) - Info: Loading plugin: unityshell
compiz (core) - Info: Starting plugin: unityshell
compiz (unityshell) - Error: GL_ARB_vertex_buffer_object not supported

compiz (core) - Error: Plugin initScreen failed: unityshell
compiz (core) - Error: Failed to start plugin: unityshell
compiz (core) - Info: Unloading plugin: unityshell
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  18 (X_ChangeProperty)
  Resource id in failed request:  0x2600162
  Serial number of failed request:  9390
  Current serial number in output stream:  9396

I'm not a real expert, but I can see there are some errors that don't let unity start.. My question is, what can I do to get my normal desktop again? Since steam for linux have been released I've formated my old windowsucks partition and installed a fresh new ubuntu environment and I liked it, it's fast, beauty but this unstable situations sucks, in a moment is everything ok and then this :/ Sorry for my bad english but I'm a portuguese guy who need to practise his english :D

Thanks in advance

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1 Answer 1

I hope you figured it out by now, but seeing these lines:

X Error of failed request: BadWindow (invalid Window parameter)
Major opcode of failed request: 18 (X_ChangeProperty)
Resource id in failed request: 0x2600162
Serial number of failed request: 9390 Current serial number in output stream: 9396

makes it seem like there's an issue with your OpenGL Drivers. I'm trying to figure this one out for myself right now, and I'll keep this updated with how I get it fixed.

As for the drivers bit, you'll want to find the right Driver for your card. Hopefully this might help someone a little.

Chipset Manufacturer - Name of Driver - Website


Nvidia - Nvidia Driver - http://www.nvidia.com/Download/index.aspx?lang=en-us

Nvidia - Nouveau Driver - http://nouveau.freedesktop.org/wiki/

AMD/ATI - FireGL Driver (fglrx) - http://support.amd.com/en-us/download

Generic - Mesa GL - http://www.mesa3d.org/


Generally speaking, the proprietary drivers (AMD Catalyst and Nvidia's Driver) will work better, but they are proprietary, if that bothers you.


When using the Nvidia driver, you will need to stop the X Server, which is accomplished by shutting down the Display Manager: service {dm} stop, where {dm} could be "lightdm", "gdm", "kdm", etc.

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I got it fixed for myself. When I ran setsid unity, it gave me the error I suspected. (Error: Plugin 'opengl' not loaded.) After googling that, I found another AU topic here, which details resetting Compiz' settings. –  Goldentoa11 Apr 19 at 18:56

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