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With Ubuntu 14.04, I happily used gnome-session-fallback until yesterday, when a regular update broke my top bar panel after reboot. I now have access to the shortcuts I added, but the "system" icons are gone:

enter image description here

I have no more the symbol (?) giving access to logout, restart, system, ... The clock, sound icon, network manager, language,.. have also disappeared (see this example panel:)

enter image description here

I tried really lots of things, including reinstalling with apt-get --reinstall install, switching to mate (was the same !), returning to gnome-session-fallback, trying out gnome-shell whith lightgdm, removing it...

I'm just stuck with my partial top panel ! My system seems to work, but I'm afraid there some inconsistencies left...

More info:

  • Both $DESKTOP_SESSION and $GDMSESSION are set to gnome-fallback-compiz
  • wmctrl -m tells me:

out:

Name: Compiz
Class: N/A
PID: N/A
Window manager's "showing the desktop" mode: OFF

Any clues of the following steps I can take ? At present, can't shutdown from the GUI, I need to enter shutdown now in terminal.

kebs
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    Okay, so I thought I respected http://askubuntu.com/help/dont-ask and http://askubuntu.com/help/how-to-ask but apparently some user doesn't agree, and downvoted (ok with that), but a comment explaining why would have been helpful so we don't all waste our time... – kebs Dec 04 '15 at 16:11
  • Some people voted to close your question, because they think, it should be reported as a bug on the official bug tracker. – David Foerster Dec 11 '15 at 09:02
  • Thanks @David Foerster for that clarification, I disagree because this might happen to other people using the gnome-classic-fallback, and I have added an answer giving a fix. But, ... we'll see. – kebs Dec 11 '15 at 10:24
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    To close voters: please consider Are bug reports suitable for this site? – David Foerster Dec 11 '15 at 12:07

2 Answers2

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Probably you need to reset your session. Delete any cached configuration in your $HOME folder, within the dot folders (.config, .gnome). Afterwards, you would need to reallocate your icons and applets.

Raul
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  • I might try, but this will break for sure lots of personal setting so I'd rather use some "automated" procedure. – kebs Dec 04 '15 at 16:12
  • @kebs: You can move the current configuration files to a backup location and see, whether that leads to improvement. A good set of relevant files is listed in https://askubuntu.com/a/56314/175814. – David Foerster Dec 05 '15 at 09:29
  • The things is: I don't want to loose my current ability to login using my session: I tried adding a test user (with adduser) and login fails with that user (I get back to the "login" screen after 5 sec.). – kebs Dec 05 '15 at 14:33
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    Just by creating a user with "adduser" does not allow you to login. You need to create its home and copy in the skeleton files (/etc/skel). On the other side, you don't risk the ability to log in into your session. – Raul Dec 05 '15 at 19:03
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Fixed problem after some time, answering own question for future readers:

What I was missing in my panel is named an indicator-applet (see packages here ).

Once I made sure it was correctly reinstalled (with sudo apt-get --reinstall install indicator-applet-complete), I just edited my panel (Win+Alt+right-click) and added the applet, as explained in this question.

Now, only need to fix the position in the panel, buts thats a minor problem.

Community
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kebs
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