window buttons are not displayed when firefox is started in full-screen mode

[Josef Hopfgartner]

unity desktop environment within ubuntu 11.04

press F11 (fuillscreen) within firefox
exit firefox with e.g. ALT+F4
start firefox again
exit fullscreen mode

voilá: minimize, maximize and close buttons don't show up

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: firefox 6.0+build1+nobinonly-0ubuntu0.11.04.1
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic i686
Architecture: i386
Date: Thu Aug 25 10:05:10 2011
FirefoxPackages:
 firefox 6.0+build1+nobinonly-0ubuntu0.11.04.1
 flashplugin-installer N/A
 adobe-flashplugin 10.3.181.14-0natty1
 icedtea-plugin 1.1~20110420-0ubuntu1.1
ProcEnviron:
 LANGUAGE=de_AT:en
 LANG=de_AT.UTF-8
 SHELL=/bin/bash
SourcePackage: firefox
UpgradeStatus: Upgraded to natty on 2011-05-05 (112 days ago)

[KK (kk1986-deactivatedaccount)]

When I try to reproduce this, the buttons are hidden - but they are seemingly behind the menu bar and can be seen again if you drag the Firefox window down. Josef, does this happen in your case as well?

[Launchpad Janitor (janitor)]

[Expired for firefox (Ubuntu) because there has been no activity for 60 days.]