Well, I can't seem to figure out how to reproduce this bug except that
it *seems* to generally just be the state of affairs in "non-fresh"
sessions. This is as opposed to "fresh" sessions which are ones started
by logging in just after I've rebooted or otherwise just powered up the
system. Generally, "fresh" sessions don't seem to exhibit the problem
while "non-fresh" sessions do about %25 of the time.

Now, while this bug is annoying, I understand that it's not the highest
priority (a HUP signal sent to gnome-panel seems to always fix it). For
anyone else who finds this annoying, however, here's my temporary "work-
around":

    user@host:~$ mkdir -p ~/bin
    user@host:~$ cat <<EOF > ~/bin/reset-panel
    > #!/bin/sh
    > ps -C gnome-panel -o pid h | xargs kill -HUP
    > EOF
    user@host:~$ chmod a+x ~/bin/reset-panel
    user@host:~$ echo $PATH | tr : \\n | grep ~/bin
    user@host:~$ reset-panel

This just creates a shell script in your own, personal bin directory
with one-liner shell script that sens the SIGHUP signal to the gnome-
panel process. The second-to-the-last line just verifies that your
personal bin directory is in your $PATH variable by printing it if it is
(and doing nothing otherwise). The last line just runs it. If it works,
any gnome-panels will briefly disappear (your screen will "flash") and
it should immediately come back w/o this weird artifact.

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https://bugs.launchpad.net/bugs/798842

Title:
  logout user menu obscured by empathy (chat) menu

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