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On 2018-10-16T10:43:47+00:00 Pedro Côrte-Real wrote:

Created attachment 9017453
Screenshot of the first issue

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0)
Gecko/20100101 Firefox/62.0

Steps to reproduce:

I can reproduce this frequently but not yet on command. What I'm doing
is normal usage:

- Entering data into the location bar which dropdowns the list of options
- Using the right click and mouseover to open tooltips and dropdown menus on 
pages

I'm using gnome-shell 3.28.3-0ubuntu0.18.04.2 on Ubuntu 18.04. Firefox
is 62.0.3+build1-0ubuntu0.18.04.1. I've had the issue happen in all
versions of firefox and gnome shell in Ubuntu 18.04 so far. I did a
small test with Unity and couldn't reproduce the issue yet but since it
doesn't happen 100% of the time longer testing would be required to make
sure it's a gnome-shell specific issue.


Actual results:

Two things are happening that may be separate bugs or not:

- When using an external screen placed on top of the internal one with
firefox maximized on the internal screen the URL bar's dropdown would
consistently appear on the external screen, completely outside the
firefox window, instead of the normal location. Screenshot is attached.

- In what appears to be random chance tooltips and menus are often
misplaced on screen. It's common but not fully reproducible. What I see
is right-clicking an element on a page or hovering over a link and
having the menu/tooltip show up somewhere different on the page. Doing
it again immediately after often results in it appearing in the right
place the second time. I haven't gotten a screenshot yet.


Expected results:

- The dropdown appearing right below the URL bar
- The menus and tooltips appearing at the mouse location

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1780790/comments/7

------------------------------------------------------------------------
On 2018-10-19T12:07:32+00:00 Daniel-aschilean wrote:

I verified this issue on Ubuntu 18.04 with FF 64.0a1 (2018-10-19) (64-bit) and 
I cannot reproduce it. 
Can you please test this in safe mode? Here is a link that can help you: 
https://goo.gl/AR5o9d.
I think it will be a good idea to retest this on the latest Firefox Nightly. 
Here is a link form where you can download it: https://nightly.mozilla.org. 
If you still have the issue please create a new profile, you have the steps 
here: 
https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles?redirectlocale=en-US&redirectslug=Managing-profiles#w_starting-the-profile-manager

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1780790/comments/9

------------------------------------------------------------------------
On 2018-10-19T15:19:12+00:00 Pedro Côrte-Real wrote:

It's natural that you can't reproduce this at will. I can't either.
Unfortunately the sequence of steps needed to reproduce this is not yet
clear to me. I've been trying to find out what they are but don't have
any conclusions yet. With that in mind, testing different versions or
profiles is hard to do conclusively.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1780790/comments/10

------------------------------------------------------------------------
On 2018-10-21T07:40:30+00:00 Sledru wrote:

*** Bug 1240552 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1780790/comments/11

------------------------------------------------------------------------
On 2018-10-21T19:56:41+00:00 Sledru wrote:

*** Bug 763312 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1780790/comments/12

------------------------------------------------------------------------
On 2019-02-10T19:03:03+00:00 Pedro Côrte-Real wrote:

I've reproduced the issue in a new session in Firefox 65.0. I used
Firefox sync to get my stuff over. Testing with a fully empty session is
harder because I need bookmarks and other stuff to be able to use the
browser and this doesn't happen at will.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1780790/comments/13


** Changed in: firefox
       Status: Unknown => Confirmed

** Changed in: firefox
   Importance: Unknown => Medium

-- 
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/1780790

Title:
  Menus, tooltips and dropdowns are often misplaced on screen

Status in Mozilla Firefox:
  Confirmed
Status in firefox package in Ubuntu:
  New

Bug description:
  I've noticed a few problems with misplaced elements in firefox UI that
  I am not sure are all the same bug:

  - In what appears to be random chance tooltips and menus are often misplaced 
on screen. It's common but not fully reproducible. What I see is right-clicking 
an element on a page or hovering over a link and having the menu/tooltip show 
up somewhere different on the page. Doing it again immediately after often 
results in it appearing in the right place the second time.
  - When using an external screen placed on top of the internal one with 
firefox maximized on the internal screen the URL bar's dropdown would 
consistently appear on the external screen, completely outside the firefox 
window, instead of the normal location

  Let me know what extra information is needed do diagnose this. I'm
  running gnome-shell and have used both Xorg and Wayland sessions.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: firefox 61.0+build3-0ubuntu0.18.04.1
  ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
  Uname: Linux 4.15.0-24-generic x86_64
  AddonCompatCheckDisabled: False
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  pedrocr    2259 F.... pulseaudio
  BuildID: 20180703115938
  Channel: Unavailable
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jul  9 15:00:50 2018
  Extensions: extensions.sqlite corrupt or missing
  ForcedLayersAccel: False
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  IncompatibleExtensions: Unavailable (corrupt or non-existant 
compatibility.ini or extensions.sqlite)
  InstallationDate: Installed on 2018-05-31 (39 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  IpRoute:
   default via 10.120.200.1 dev wlp4s0 proto dhcp metric 600 
   10.23.69.0/24 dev tun0 proto kernel scope link src 10.23.69.103 
   10.120.200.0/22 dev wlp4s0 proto kernel scope link src 10.120.203.246 metric 
600 
   169.254.0.0/16 dev tun0 scope link metric 1000
  Locales: extensions.sqlite corrupt or missing
  MostRecentCrashID: bp-a9ef45a0-cbbc-451a-a76b-c36ed1180623
  PrefErrors: Unexpected character ',' whilst parsing int @ 
/usr/lib/firefox/defaults/pref/vendor-gre.js:8
  PrefSources: prefs.js
  Profiles: Profile0 (Default) - LastVersion=61.0/20180703115938 (In use)
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  Themes: extensions.sqlite corrupt or missing
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/22/2018
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1CET66W (1.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20FAS5TS00
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40697 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1CET66W(1.34):bd03/22/2018:svnLENOVO:pn20FAS5TS00:pvrThinkPadT460s:rvnLENOVO:rn20FAS5TS00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T460s
  dmi.product.name: 20FAS5TS00
  dmi.product.version: ThinkPad T460s
  dmi.sys.vendor: LENOVO

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