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Re: [Bug 1458995] Re: black squares instead of window shadows. missing title bar and buttons

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: Yulian <yu_kalev@xxxxxxxxxxx>
Date: Fri, 03 Jul 2015 10:04:07 -0000
Reply-to: Bug 1458995 <1458995@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Hi,

well I found the cause and fixed it... it was the fall back to swrast
(software rasterizer in Mesa3D).

>   compiz (core) - Info: Loading plugin: opengl
>   compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow).
>   compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow).
>   compiz (core) - Info: Starting plugin: opengl
>   Compiz (opengl) - Info: GLX_EXT_buffer_age is supported

Though the DBus issues might still be relevant bugs.

>   WARN  2015-05-26 21:46:24 unity.glib.dbus.server 
GLibDBusServer.cpp:579 Can't register object 'org.gnome.ScreenSaver' yet
 as we don't have a connection, waiting for it...
>   ERROR 2015-05-26 21:46:25 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'org.gnome.Shell'
>   ERROR 2015-05-26 21:46:25 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'com.canonical.Unity'
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.

Regards,

Y Kalev

> Date: Tue, 30 Jun 2015 16:02:36 +0000
> From: mail@xxxxxxxxx
> To: yu_kalev@xxxxxxxxxxx
> Subject: [Bug 1458995] Re: black squares instead of window shadows. missing title bar and buttons
> 
> MNhmh... It looks like that all the compiz aren't properly rendered...
> That's weird.
> 
> Do you get the same in other compiz plugins (when doing Super+s or
> Super+W?), or in Alt+` or Alt+Tab in detail mode?
> 
> ** Changed in: unity
>    Importance: Undecided => High
> 
> ** Changed in: compiz
>    Importance: Undecided => High
> 
> ** Changed in: unity
>      Assignee: (unassigned) => Marco Trevisan (Treviño) (3v1n0)
> 
> ** Changed in: compiz
>      Assignee: (unassigned) => Marco Trevisan (Treviño) (3v1n0)
> 
> -- 
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1458995
> 
> Title:
>   black squares instead of window shadows. missing title bar and buttons
> 
> Status in Compiz:
>   New
> Status in Unity:
>   New
> Status in compiz package in Ubuntu:
>   New
> Status in unity package in Ubuntu:
>   New
> 
> Bug description:
>   After compiling and installing the newest Mesa3d with nouveau enabled,
>   compiz gave up to put it simple. No work around has helped, neither
>   resetting its settings. As everything else seems fine, I and the
>   nouveau developers in irc decided it must be compiz and unity related
>   issue.
> 
>   Thats what it looks like http://snag.gy/xJArM.jpg
> 
>   using compiz 1:0.9.11.3+14.04.20150313-0ubuntu1 on trusty 14.04
> 
>   sg@box:~$ compiz --replace
>   compiz (core) - Info: Loading plugin: core
>   compiz (core) - Info: Starting plugin: core
>   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
>   compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow).
>   compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow).
>   compiz (core) - Info: Starting plugin: opengl
>   Compiz (opengl) - Info: GLX_EXT_buffer_age is supported
>   compiz (core) - Info: Loading plugin: imgpng
>   compiz (core) - Info: Starting plugin: imgpng
>   compiz (core) - Info: Loading plugin: mousepoll
>   compiz (core) - Info: Starting plugin: mousepoll
>   compiz (core) - Info: Loading plugin: place
>   compiz (core) - Info: Starting plugin: place
>   compiz (core) - Info: Loading plugin: resize
>   compiz (core) - Info: Starting plugin: resize
>   compiz (core) - Info: Loading plugin: move
>   compiz (core) - Info: Starting plugin: move
>   compiz (core) - Info: Loading plugin: compiztoolbox
>   compiz (core) - Info: Starting plugin: compiztoolbox
>   compiz (core) - Info: Loading plugin: commands
>   compiz (core) - Info: Starting plugin: commands
>   compiz (core) - Info: Loading plugin: grid
>   compiz (core) - Info: Starting plugin: grid
>   compiz (core) - Info: Loading plugin: vpswitch
>   compiz (core) - Info: Starting plugin: vpswitch
>   compiz (core) - Info: Loading plugin: regex
>   compiz (core) - Info: Starting plugin: regex
>   compiz (core) - Info: Loading plugin: copytex
>   compiz (core) - Info: Starting plugin: copytex
>   compiz (core) - Info: Loading plugin: wall
>   compiz (core) - Info: Starting plugin: wall
>   compiz (core) - Info: Loading plugin: snap
>   compiz (core) - Info: Starting plugin: snap
>   compiz (core) - Info: Loading plugin: session
>   compiz (core) - Info: Starting plugin: session
>   compiz (core) - Info: Loading plugin: unitymtgrabhandles
>   compiz (core) - Info: Starting plugin: unitymtgrabhandles
>   compiz (core) - Info: Loading plugin: animation
>   compiz (core) - Info: Starting plugin: animation
>   compiz (core) - Info: Loading plugin: workarounds
>   compiz (core) - Info: Starting plugin: workarounds
>   compiz (core) - Info: Loading plugin: expo
>   compiz (core) - Info: Starting plugin: expo
>   compiz (core) - Info: Loading plugin: fade
>   compiz (core) - Info: Starting plugin: fade
>   compiz (core) - Info: Loading plugin: ezoom
>   compiz (core) - Info: Starting plugin: ezoom
>   compiz (core) - Info: Loading plugin: scale
>   compiz (core) - Info: Starting plugin: scale
>   compiz (core) - Info: Loading plugin: unityshell
>   compiz (core) - Info: Starting plugin: unityshell
>   WARN  2015-05-26 21:46:21 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.Shell' yet as we don't have a connection, waiting for it...
>   ERROR 2015-05-26 21:46:22 unity.debug.interface DebugDBusInterface.cpp:216 Unable to load entry point in libxpathselect: libxpathselect.so.1.4: cannot open shared object file: No such file or directory
>   WARN  2015-05-26 21:46:22 xim.controller XIMController.cpp:103 IBus natively supported.
>   WARN  2015-05-26 21:46:23 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Launcher' yet as we don't have a connection, waiting for it...
>   WARN  2015-05-26 21:46:23 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Dash' yet as we don't have a connection, waiting for it...
>   WARN  2015-05-26 21:46:24 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.SessionManager.EndSessionDialog' yet as we don't have a connection, waiting for it...
>   WARN  2015-05-26 21:46:24 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Session' yet as we don't have a connection, waiting for it...
>   WARN  2015-05-26 21:46:24 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.ScreenSaver' yet as we don't have a connection, waiting for it...
>   ERROR 2015-05-26 21:46:25 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'org.gnome.Shell'
>   ERROR 2015-05-26 21:46:25 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'com.canonical.Unity'
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
>   compiz (core) - Warn: this should never happen. you should probably file a bug about this.
>   ^Ccompiz (core) - Info: Stopping plugin: unityshell
>   ERROR 2015-05-26 21:47:23 unity.shell.compiz unityshell.cpp:3867 Impossible to delete the unity locked stamp file
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
>   assertion 'hash_table != NULL' failed
> 
>   (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal: assertion 'hash_table != NULL' failed
>   compiz (core) - Info: Unloading plugin: unityshell
>   compiz (core) - Info: Stopping plugin: scale
>   compiz (core) - Info: Unloading plugin: scale
>   compiz (core) - Info: Stopping plugin: ezoom
>   compiz (core) - Info: Unloading plugin: ezoom
>   compiz (core) - Info: Stopping plugin: fade
>   compiz (core) - Info: Unloading plugin: fade
>   compiz (core) - Info: Stopping plugin: expo
>   compiz (core) - Info: Unloading plugin: expo
>   compiz (core) - Info: Stopping plugin: workarounds
>   compiz (core) - Info: Unloading plugin: workarounds
>   compiz (core) - Info: Stopping plugin: animation
>   compiz (core) - Info: Unloading plugin: animation
>   compiz (core) - Info: Stopping plugin: unitymtgrabhandles
>   compiz (core) - Info: Unloading plugin: unitymtgrabhandles
>   compiz (core) - Info: Stopping plugin: session
>   compiz (core) - Info: Unloading plugin: session
>   compiz (core) - Info: Stopping plugin: snap
>   compiz (core) - Info: Unloading plugin: snap
>   compiz (core) - Info: Stopping plugin: wall
>   compiz (core) - Info: Unloading plugin: wall
>   compiz (core) - Info: Stopping plugin: copytex
>   compiz (core) - Info: Unloading plugin: copytex
>   compiz (core) - Info: Stopping plugin: regex
>   compiz (core) - Info: Unloading plugin: regex
>   compiz (core) - Info: Stopping plugin: vpswitch
>   compiz (core) - Info: Unloading plugin: vpswitch
>   compiz (core) - Info: Stopping plugin: grid
>   compiz (core) - Info: Unloading plugin: grid
>   compiz (core) - Info: Stopping plugin: commands
>   compiz (core) - Info: Unloading plugin: commands
>   compiz (core) - Info: Stopping plugin: compiztoolbox
>   compiz (core) - Info: Unloading plugin: compiztoolbox
>   compiz (core) - Info: Stopping plugin: move
>   compiz (core) - Info: Unloading plugin: move
>   compiz (core) - Info: Stopping plugin: resize
>   compiz (core) - Info: Unloading plugin: resize
>   compiz (core) - Info: Stopping plugin: place
>   compiz (core) - Info: Unloading plugin: place
>   compiz (core) - Info: Stopping plugin: mousepoll
>   compiz (core) - Info: Unloading plugin: mousepoll
>   compiz (core) - Info: Stopping plugin: imgpng
>   compiz (core) - Info: Unloading plugin: imgpng
>   compiz (core) - Info: Stopping plugin: opengl
>   compiz (core) - Info: Unloading plugin: opengl
>   compiz (core) - Info: Stopping plugin: composite
>   compiz (core) - Info: Unloading plugin: composite
>   compiz (core) - Info: Stopping plugin: ccp
>   compiz (core) - Info: Unloading plugin: ccp
>   compiz (core) - Info: Stopping plugin: core
>   compiz (core) - Info: Unloading plugin: core
>   _xgeWireToEvent: Unknown extension 148, this should never happen.
> 
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/compiz/+bug/1458995/+subscriptions

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/1458995

Title:
  black squares instead of window shadows. missing title bar and buttons

Status in Compiz:
  New
Status in Unity:
  New
Status in compiz package in Ubuntu:
  New
Status in unity package in Ubuntu:
  New

Bug description:
  After compiling and installing the newest Mesa3d with nouveau enabled,
  compiz gave up to put it simple. No work around has helped, neither
  resetting its settings. As everything else seems fine, I and the
  nouveau developers in irc decided it must be compiz and unity related
  issue.

  Thats what it looks like http://snag.gy/xJArM.jpg

  using compiz 1:0.9.11.3+14.04.20150313-0ubuntu1 on trusty 14.04

  sg@box:~$ compiz --replace
  compiz (core) - Info: Loading plugin: core
  compiz (core) - Info: Starting plugin: core
  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
  compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow).
  compiz (core) - Info: Unity is not supported by your hardware. Enabling software rendering instead (slow).
  compiz (core) - Info: Starting plugin: opengl
  Compiz (opengl) - Info: GLX_EXT_buffer_age is supported
  compiz (core) - Info: Loading plugin: imgpng
  compiz (core) - Info: Starting plugin: imgpng
  compiz (core) - Info: Loading plugin: mousepoll
  compiz (core) - Info: Starting plugin: mousepoll
  compiz (core) - Info: Loading plugin: place
  compiz (core) - Info: Starting plugin: place
  compiz (core) - Info: Loading plugin: resize
  compiz (core) - Info: Starting plugin: resize
  compiz (core) - Info: Loading plugin: move
  compiz (core) - Info: Starting plugin: move
  compiz (core) - Info: Loading plugin: compiztoolbox
  compiz (core) - Info: Starting plugin: compiztoolbox
  compiz (core) - Info: Loading plugin: commands
  compiz (core) - Info: Starting plugin: commands
  compiz (core) - Info: Loading plugin: grid
  compiz (core) - Info: Starting plugin: grid
  compiz (core) - Info: Loading plugin: vpswitch
  compiz (core) - Info: Starting plugin: vpswitch
  compiz (core) - Info: Loading plugin: regex
  compiz (core) - Info: Starting plugin: regex
  compiz (core) - Info: Loading plugin: copytex
  compiz (core) - Info: Starting plugin: copytex
  compiz (core) - Info: Loading plugin: wall
  compiz (core) - Info: Starting plugin: wall
  compiz (core) - Info: Loading plugin: snap
  compiz (core) - Info: Starting plugin: snap
  compiz (core) - Info: Loading plugin: session
  compiz (core) - Info: Starting plugin: session
  compiz (core) - Info: Loading plugin: unitymtgrabhandles
  compiz (core) - Info: Starting plugin: unitymtgrabhandles
  compiz (core) - Info: Loading plugin: animation
  compiz (core) - Info: Starting plugin: animation
  compiz (core) - Info: Loading plugin: workarounds
  compiz (core) - Info: Starting plugin: workarounds
  compiz (core) - Info: Loading plugin: expo
  compiz (core) - Info: Starting plugin: expo
  compiz (core) - Info: Loading plugin: fade
  compiz (core) - Info: Starting plugin: fade
  compiz (core) - Info: Loading plugin: ezoom
  compiz (core) - Info: Starting plugin: ezoom
  compiz (core) - Info: Loading plugin: scale
  compiz (core) - Info: Starting plugin: scale
  compiz (core) - Info: Loading plugin: unityshell
  compiz (core) - Info: Starting plugin: unityshell
  WARN  2015-05-26 21:46:21 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.Shell' yet as we don't have a connection, waiting for it...
  ERROR 2015-05-26 21:46:22 unity.debug.interface DebugDBusInterface.cpp:216 Unable to load entry point in libxpathselect: libxpathselect.so.1.4: cannot open shared object file: No such file or directory
  WARN  2015-05-26 21:46:22 xim.controller XIMController.cpp:103 IBus natively supported.
  WARN  2015-05-26 21:46:23 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Launcher' yet as we don't have a connection, waiting for it...
  WARN  2015-05-26 21:46:23 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Dash' yet as we don't have a connection, waiting for it...
  WARN  2015-05-26 21:46:24 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.SessionManager.EndSessionDialog' yet as we don't have a connection, waiting for it...
  WARN  2015-05-26 21:46:24 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Session' yet as we don't have a connection, waiting for it...
  WARN  2015-05-26 21:46:24 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.ScreenSaver' yet as we don't have a connection, waiting for it...
  ERROR 2015-05-26 21:46:25 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'org.gnome.Shell'
  ERROR 2015-05-26 21:46:25 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'com.canonical.Unity'
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  compiz (core) - Warn: unhandled ConfigureNotify on 0x4400265!
  compiz (core) - Warn: this should never happen. you should probably file a bug about this.
  ^Ccompiz (core) - Info: Stopping plugin: unityshell
  ERROR 2015-05-26 21:47:23 unity.shell.compiz unityshell.cpp:3867 Impossible to delete the unity locked stamp file

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal:
  assertion 'hash_table != NULL' failed

  (compiz:23082): GLib-CRITICAL **: g_hash_table_remove_internal: assertion 'hash_table != NULL' failed
  compiz (core) - Info: Unloading plugin: unityshell
  compiz (core) - Info: Stopping plugin: scale
  compiz (core) - Info: Unloading plugin: scale
  compiz (core) - Info: Stopping plugin: ezoom
  compiz (core) - Info: Unloading plugin: ezoom
  compiz (core) - Info: Stopping plugin: fade
  compiz (core) - Info: Unloading plugin: fade
  compiz (core) - Info: Stopping plugin: expo
  compiz (core) - Info: Unloading plugin: expo
  compiz (core) - Info: Stopping plugin: workarounds
  compiz (core) - Info: Unloading plugin: workarounds
  compiz (core) - Info: Stopping plugin: animation
  compiz (core) - Info: Unloading plugin: animation
  compiz (core) - Info: Stopping plugin: unitymtgrabhandles
  compiz (core) - Info: Unloading plugin: unitymtgrabhandles
  compiz (core) - Info: Stopping plugin: session
  compiz (core) - Info: Unloading plugin: session
  compiz (core) - Info: Stopping plugin: snap
  compiz (core) - Info: Unloading plugin: snap
  compiz (core) - Info: Stopping plugin: wall
  compiz (core) - Info: Unloading plugin: wall
  compiz (core) - Info: Stopping plugin: copytex
  compiz (core) - Info: Unloading plugin: copytex
  compiz (core) - Info: Stopping plugin: regex
  compiz (core) - Info: Unloading plugin: regex
  compiz (core) - Info: Stopping plugin: vpswitch
  compiz (core) - Info: Unloading plugin: vpswitch
  compiz (core) - Info: Stopping plugin: grid
  compiz (core) - Info: Unloading plugin: grid
  compiz (core) - Info: Stopping plugin: commands
  compiz (core) - Info: Unloading plugin: commands
  compiz (core) - Info: Stopping plugin: compiztoolbox
  compiz (core) - Info: Unloading plugin: compiztoolbox
  compiz (core) - Info: Stopping plugin: move
  compiz (core) - Info: Unloading plugin: move
  compiz (core) - Info: Stopping plugin: resize
  compiz (core) - Info: Unloading plugin: resize
  compiz (core) - Info: Stopping plugin: place
  compiz (core) - Info: Unloading plugin: place
  compiz (core) - Info: Stopping plugin: mousepoll
  compiz (core) - Info: Unloading plugin: mousepoll
  compiz (core) - Info: Stopping plugin: imgpng
  compiz (core) - Info: Unloading plugin: imgpng
  compiz (core) - Info: Stopping plugin: opengl
  compiz (core) - Info: Unloading plugin: opengl
  compiz (core) - Info: Stopping plugin: composite
  compiz (core) - Info: Unloading plugin: composite
  compiz (core) - Info: Stopping plugin: ccp
  compiz (core) - Info: Unloading plugin: ccp
  compiz (core) - Info: Stopping plugin: core
  compiz (core) - Info: Unloading plugin: core
  _xgeWireToEvent: Unknown extension 148, this should never happen.

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References

[Bug 1458995] [NEW] black squares instead of window shadows. missing tittlebar and buttons
From: Yulian, 2015-05-26
[Bug 1458995] Re: black squares instead of window shadows. missing title bar and buttons
From: Treviño, 2015-06-30