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[James <872207@xxxxxxxxxxxxxxxxxx>]

For me, the bug appears at random (firefox 9, oneiric).  Any menus only
stay open until I move the mouse; switching to another window and back
generally seems to stop it.  I have noticed a couple of other things
that might be relevant, though.

Firstly, I use firefox's autoscroll feature
(preferences->advanced->browsing).  Normally, when I middle click, the
autoscroll icon appears, then doesn't disappear until I click again, but
whenever the menu bug occurs, the autoscroll icon disappears (and
autoscrolling stops) if I point at the autoscroll icon.  As far as I can
see, the two issues always happen together.

Secondly, when I open a new window using tkinter in a python
application, any open firefox and thunderbird menus close - menus in
other applications I have tried are unaffected.

For example, the following python 3.x code (replace tkinter with Tkinter
for python 2.x) simply opens a window, waits a second, closes the
window, waits a second, and repeats.  Every time the window opens, open
firefox and thunderbird menus close, regardless of whether this bug is
in effect.

from tkinter import Tk
from time import sleep
while True:
    tk=Tk()
    tk.after(1000, tk.destroy)
    tk.mainloop()
    sleep(1)

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https://bugs.launchpad.net/bugs/872207

Title:
  When Firefox is running in Unity, drop-down menus sometime close when
  opened

Status in Compiz:
  Confirmed
Status in Unity Distro Priority:
  Fix Committed
Status in “compiz” package in Ubuntu:
  Confirmed
Status in “firefox” package in Ubuntu:
  Confirmed

Bug description:
  This is something which used to happen regularly though not always (I
  switched to using fallback mode for a while because of it).
  Basically, drop-down menus in Firefox such as RSS feeds (or in Natty
  without the global menu the normal application menus were affected
  too) are simply not shown when clicked on.  Context menus also fail to
  appear.  This often disappeared for no apparent reason after I had
  used Firefox for a while.  I haven't seen it for a while, but it has
  just re-appeared, possibly because I started Unity as "unity
  --replace" since I am currently testing an application's behaviour
  with different window managers.

  I'm sorry if this information is a bit threadbare.  Please let me know
  if I can provide any additional helpful information.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: unity 4.22.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 1.23-0ubuntu2
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,regex,snap,compiztoolbox,place,gnomecompat,resize,session,grid,mousepoll,animation,move,workarounds,imgpng,expo,wall,unitymtgrabhandles,vpswitch,fade,scale,ezoom,unityshell]
  CompositorRunning: compiz
  Date: Tue Oct 11 11:57:45 2011
  DistUpgraded: Log time: 2011-09-08 12:02:24.781017
  DistroCodename: oneiric
  DistroVariant: ubuntu
  DkmsStatus: vboxhost, 4.1.4, 3.0.0-12-generic, x86_64: installed
  GraphicsCard:
   Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:040a]
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MachineType: Dell Inc. Latitude E6410
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=062b1769-7309-4422-a59c-ad30b109d53c ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: Upgraded to oneiric on 2011-09-27 (14 days ago)
  dmi.bios.date: 11/20/2010
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0667CC
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A03
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd11/20/2010:svnDellInc.:pnLatitudeE6410:pvr0001:rvnDellInc.:rn0667CC:rvrA03:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6410
  dmi.product.version: 0001
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu3
  version.ia32-libs: ia32-libs 20090808ubuntu25
  version.libdrm2: libdrm2 2.4.26-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
  version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

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