Cannot drag Firefox tab to new window over desktop

Bug #1512130 reported by Andrew Tribick on 2015-11-01
This bug affects 3 people
Affects Status Importance Assigned to Milestone
firefox (Ubuntu)

Bug Description

Firefox allows the user to move a tab into a new window by dragging it out of the window. Since Kubuntu 15.04 this fails if the end point of the drag is over the desktop. The mechanism still works if the end point is over an application window (does not seem to matter what the other application is, so long as it is not the desktop background)

Reproducible: always

Steps to reproduce:
1. Open Firefox
2. Open a tab
3. Drag tab out of the Firefox window to a point where the desktop background is visible. The new window is not created and the tab remains in the original window.

Expected behaviour:
In step 3, a new Firefox window should be opened that contains the tab that was dragged out of the first window.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: firefox 41.0.2+build2-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
NonfreeKernelModules: nvidia
AddonCompatCheckDisabled: False
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
 /dev/snd/controlC1: andrew 1434 F.... pulseaudio
 /dev/snd/controlC0: andrew 1434 F.... pulseaudio
BuildID: 20151016093648
Channel: Unavailable
CurrentDesktop: KDE
Date: Sun Nov 1 19:49:30 2015
EcryptfsInUse: Yes
ForcedLayersAccel: False
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
 English (South Africa) Language Pack - <email address hidden>
 English (GB) Language Pack - <email address hidden>
 Default - {972ce4c6-7e08-4474-a285-3208198ce6fd}
InstallationDate: Installed on 2015-10-31 (1 days ago)
InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
 default via dev enp3s0 proto static metric 100 dev enp3s0 scope link metric 1000 dev enp3s0 proto kernel scope link src metric 100
Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=41.0.2/20151016093648 (In use)
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: no
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install) 08/29/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0607
dmi.board.asset.tag: To be filled by O.E.M. CG8270
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0607:bd08/29/2012:svnASUSTeKCOMPUTERINC.:pnCG8270:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnCG8270:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: CG8270
dmi.product.version: System Version
dmi.sys.vendor: ASUSTeK COMPUTER INC.

Andrew Tribick (ajtribick) wrote :
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in firefox (Ubuntu):
status: New → Confirmed
Scott Moore (scottbomb) wrote :

I have noticed this on fresh installs of 15.10 on two different machines.

Changed in firefox (Ubuntu):
importance: Undecided → Medium
Andrew Tribick (ajtribick) wrote :

This issue is still present in Xenial.

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