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[Launchpad Bug Tracker <1096859@xxxxxxxxxxxxxxxxxx>]

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Fresh install of Ubuntu 12.04.1 LTS. After some time the Launcher does
not show with arrows at the sides of the icons that docs are open for
certain programs (certainly Libre Office programs), and once you switch
to another application or doc, you cannot click on the launcher to get
back to the open document. Instead a new document (in case of Write) is
opened. Also Alt-tab does not show (all) programs with open files. The
only way to get back to open files is through Dash. I repair this
(temporarily) by command line command: unity -- reset. After that the
Launcher works normal, until the next time it fails. This is the output
of the Terminal after typing the command (please note that the program
advices to report a bug):

frans@frans-AO722:~$ unity --reset
WARNING: Unity currently default profile, so switching to metacity while resetting the values
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
compiz (core) - Warn: failed to receive ConfigureNotify event on 0x1800004

compiz (core) - Warn: failed to receive ConfigureNotify event on
0x3200003

compiz (core) - Warn: failed to receive ConfigureNotify event on
0x38000ba

compiz (core) - Warn: failed to receive ConfigureNotify event on
0x3c00064

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

(compiz:3627): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed
Initializing unityshell options...done
compiz (core) - Warn: unhandled ConfigureNotify on 0x1a000a0!
compiz (core) - Warn: this should never happen. you should probably file a bug about this.
compiz (core) - Warn: unhandled ConfigureNotify on 0x1a000a3!
compiz (core) - Warn: this should never happen. you should probably file a bug about this.
compiz (core) - Warn: unhandled ConfigureNotify on 0x1a000a6!
compiz (core) - Warn: this should never happen. you should probably file a bug about this.
compiz (core) - Warn: unhandled ConfigureNotify on 0x1a000a6!
compiz (core) - Warn: this should never happen. you should probably file a bug about this.
compiz (core) - Warn: unhandled ConfigureNotify on 0x1a000a9!
compiz (core) - Warn: this should never happen. you should probably file a bug about this.
compiz (core) - Warn: unhandled ConfigureNotify on 0x1a000a9!
compiz (core) - Warn: this should never happen. you should probably file a bug about this.
WARN  2013-01-07 12:01:01 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/libreoffice-writer.desktop' is using a deprecated format for its actions that will be dropped soon.
WARN  2013-01-07 12:01:01 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/libreoffice-calc.desktop' is using a deprecated format for its actions that will be dropped soon.
WARN  2013-01-07 12:01:01 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/libreoffice-impress.desktop' is using a deprecated format for its actions that will be dropped soon.
Initializing staticswitcher options...done
ERROR 2013-01-07 12:01:05 unity.glib-gobject <unknown>:0 g_object_unref: assertion `G_IS_OBJECT (object)' failed
Setting Update "main_menu_key"
Setting Update "run_key"

The terminal does not return to the command prompt and seems to be
stuck; but meanwhile the screen is built up anew, and the launcher works
for some time

 My computer is ACER AO722

Trying to find package name (as suggested by this site):
frans@frans-AO722:~$ apt-cache policy pkgname
N: Unable to locate package pkgname
frans@frans-AO722:~$ 
But I know that this is Ubuntu 12.04.1 LTS.
It happened also in 12.10, which I abandoned for having many other problems.

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
-- 
launcher does not show open docs
https://bugs.launchpad.net/bugs/1096859
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