On a new loki installation I have the problem that the wingpanel stops responding after some time. I can then not open the applications menu, clock or indicators.

After a few minutes it sometimes comes back to life and everything works as expceted. Then it suddenly freezes again...

The only additional indicators I have installed is Dropbox.

Does anyone have an idea on how to debug this problem?

  • Having the same issue.
    – Chris
    Commented Sep 12, 2016 at 19:52
  • A temporary workaround that works so far is to install and run dconf-editor, navigate to org.pantheon.desktop.cerbere and remove wingpanel from the monitored-processed setting. After a reboot wingpanel won't launch automatically. Open a terminal and run wingpanel. This way wingpanel doesn't freeze (running for 2 hours now), you just have to keep the terminal open...
    – Lokiuser
    Commented Sep 13, 2016 at 6:03
  • Nevermind. The panel crashed and cannot be restarted again, even via terminal. Last console output: Failed to register: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
    – Lokiuser
    Commented Sep 13, 2016 at 6:18
  • When running the panel again via terminal it stops at [AccountsService] act_user_get_user_name: assertion 'ACT_IS_USER (user)' failed
    – Lokiuser
    Commented Sep 13, 2016 at 6:20
  • Reported bug: bugs.launchpad.net/elementaryos/+bug/1623793
    – wolf
    Commented Sep 15, 2016 at 6:05

2 Answers 2


We narrowed the issue down to a single indicator, so the temporary fix is to remove it for now:

sudo apt-get remove wingpanel-indicator-power

I'll report back once the bug is resolved, but I otherwise recommend following the report in case more feedback is needed.

  • For a temporary workaround uninstall wingpanel-indicator-power: sudo apt remove wingpanel-indicator-power. Wingpanel will work after that, obviously without the power indicator.
    – Lokiuser
    Commented Sep 16, 2016 at 6:24

type pkill wingpanel command in terminal. it will restart the wingpanel

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