[Bug 1267662] [NEW] Empty 1px panel created after going to exported menu in KDE

[Serhiy Zahoriya]

Public bug reported:

Using KDE with Window Menubar widget, after I open second level of menu empty navigation panel is created on top of all the panels. Attaching screenshots.
Workaround is to click on it with right mouse button. It disappears after you close the context menu.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: firefox 26.0+build2-0ubuntu0.13.10.2
ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10
Uname: Linux 3.11.0-15-generic i686
NonfreeKernelModules: nvidia
AddonCompatCheckDisabled: False
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  i          7023 F.... pulseaudio
 /dev/snd/controlC0:  i          7023 F.... pulseaudio
 /dev/snd/pcmC0D0p:   i          7023 F...m pulseaudio
BuildID: 20131206145833
Channel: Unavailable
Date: Fri Jan 10 02:57:59 2014
DefaultProfileBrokenPermissions: .flagged (0o644, wrong owner)
DefaultProfileIncompatibleExtensions:
 English (GB) Language Pack - langpack-en-GB at firefox.mozilla.org
 English (South Africa) Language Pack - langpack-en-ZA at firefox.mozilla.org
 Ukrainian (UA) Language Pack - langpack-uk at firefox.mozilla.org
 Default - {972ce4c6-7e08-4474-a285-3208198ce6fd}
DefaultProfilePrefSources:
 prefs.js
 [Profile]/extensions/{b9db16a4-6edc-47ec-a1f4-b86292ed211d}/defaults/preferences/prefs-dwhelper.js
 [Profile]/extensions/{3d7eb24f-2740-49df-8937-200b1cc08f8a}/defaults/preferences/flashblock.js
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
 #auto lo
IpRoute:
 default via 192.168.0.1 dev eth0  proto static 
 192.168.0.0/24 dev eth0  proto kernel  scope link  src 192.168.0.103  metric 1
IwConfig:
 vboxnet0  no wireless extensions.
 
 lo        no wireless extensions.
 
 eth0      no wireless extensions.
MarkForUpload: True
MostRecentCrashID: bp-4e20ca3b-8c85-4fac-9f8c-9842d2131230
Profile1BrokenPermissions: .flagged (0o644, wrong owner)
Profile1PrefSources: prefs.js
Profiles:
 Profile0 (Default) - LastVersion=26.0/20131206145833 (In use)
 Profile1 - LastVersion=19.0/20130218103407 (Out of date)
RelatedPackageVersions:
 adobe-flashplugin 11.2.202.332-0saucy1
 google-talkplugin 4.9.1.0-1
 icedtea-7-plugin  1.4-3ubuntu2
 mozplugger        1.14.5-1
 icedtea-6-plugin  1.4-3ubuntu2
RfKill:
 
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/02/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.9
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P67A-GD53 (MS-7681)
dmi.board.vendor: MSI
dmi.board.version: 1.0/2.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 1.0/2.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.9:bd03/02/2011:svnMSI:pnMS-7681:pvr1.0/2.0:rvnMSI:rnP67A-GD53(MS-7681):rvr1.0/2.0:cvnMSI:ct3:cvr1.0/2.0:
dmi.product.name: MS-7681
dmi.product.version: 1.0/2.0
dmi.sys.vendor: MSI

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 saucy

** Attachment added: "firefox_empty_panel_c.png"
   https://bugs.launchpad.net/bugs/1267662/+attachment/3944909/+files/firefox_empty_panel_c.png

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Title:
  Empty 1px panel created after going to exported menu in KDE

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