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[Doug Morse <dm@xxxxxxxxxxxxx>]

Hi,

[This comment is a bit long.  For those in a hurry, perhaps just read
the "important part" set off below. :) ]

As with Dave Russell (comment #15), menus disappear for me constantly as
well, both in Firefox and in Thunderbird.  I'd say 20+ times an hour
rather than 20+ per day.

Globalmenus work OK, but right-click and dropdown menus disappear all
the time, by either flashing incredibly briefly and then disappearing or
sometimes appearing but then disappear as soon as I move the mouse
(oddly, using up/down arrow keys does work correctly in this latter
case).

As with Domingos86 (comment #4), pressing Alt-Tab does seem to correct
the problem.  Unfortunately, unlike Dave (comment #15), unmaximizing
then re-maximizing the effected window does _not_ work for me.

----- BEGIN IMPORTANT PART -----

POSSIBLY IMPORTANT:  Unlike Domingos86 (comment #15), best I can tell, I
seem to _only_ have the problem when using either the workspace switcher
(I use this rarely) or pressing my middle mouse button, which I have
mapped to invoke the same Expo view (within the Compiz Expo plugin; I
use this constantly).  On the other hand, when using the 4
Ctrl+Alt+<arrow key> combinations, I have yet to observe the menus /
dropdowns disappearing (I will certainly pay close attention to this and
report back if I observe otherwise).

THUS, it might be that the initiation of the problem is localized to
activating the Expo view (by whatever means) and then switching to a
workspace with a Firefox / Thunderbird window.   SO, I'm quite curious:
Does anyone else besides Domingos86 encounter the problem _without_
going into Expo view shortly beforehand?

----- END  IMPORTANT PART -----

I personally keep only one maximized window, Firefox, on workspace 2 and
only one maximized window, Thunderbird, on workspace 4.  I say this to
say: I wonder if another limiting factor might be that the Firefox /
Thunderbird window has to be maximized and the topmost (i.e., top of the
window z-order) for the problem to occur.  Has anyone encountered this
problem with Firefox / Thunderbird _not_ being maximized?

Thanks as always,
Doug

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to firefox in Ubuntu.
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:
  New
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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