Suggestions dropdown menu often shown in wrong place

[Wise Melon]

Annoyingly so I have recently found that the suggestions dropdown menu below text boxes is showing in the wrong place. And even if I click where it is shown, or where the item should be, it may only highlight the relevant option, but close if you try to click it. As shown in this screencast:

    Firefox_suggestions_dropdown_menu_shown_in_wrong_place.mp4

And am able to reproduce the issue on many different sites so I don't think that it is site specific.

I am running Ubuntu GNOME 16.10 with GNOME 3.22 and Firefox 50.

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: firefox 50.0.2+build1-0ubuntu0.16.10.1
ProcVersionSignature: Ubuntu 4.8.0-28.30-generic 4.8.6
Uname: Linux 4.8.0-28-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: totoro 1705 F.... pulseaudio
BuildID: 20161130094630
Channel: Unavailable
CurrentDesktop: GNOME
Date: Sun Dec 4 18:16:37 2016
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 2016-05-15 (203 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
IpRoute:
 default via 192.168.0.1 dev enp3s0 proto static metric 100
 169.254.0.0/16 dev virbr0 scope link metric 1000 linkdown
 192.168.0.0/24 dev enp3s0 proto kernel scope link src 192.168.0.3 metric 100
 192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 linkdown
Locales: extensions.sqlite corrupt or missing
MostRecentCrashID: bp-3665f6f0-ae45-4976-ac4a-6c04f2160716
Plugins: GNOME Shell Integration - /usr/lib/mozilla/plugins/libgnome-shell-browser-plugin.so (gnome-shell)
PrefErrors: 'utf-8' codec can't decode byte 0xa1 in position 2706: invalid start byte
Profiles: Profile0 (Default) - LastVersion=50.0.2/20161130094630 (In use)
RelatedPackageVersions: gnome-shell 3.22.2-1ubuntu1~ubuntu16.10.1
RunningIncompatibleAddons: False
SourcePackage: firefox
SubmittedCrashIDs:
 bp-3665f6f0-ae45-4976-ac4a-6c04f2160716
 bp-3fac0839-54f6-4471-9076-a99602160629
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: Upgraded to yakkety on 2016-10-19 (45 days ago)
dmi.bios.date: 11/15/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: H5ET69WW (1.12 )
dmi.board.asset.tag: Not Available
dmi.board.name: 62742SG
dmi.board.vendor: LENOVO
dmi.board.version: Win8 Pro DPK IPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrH5ET69WW(1.12):bd11/15/2012:svnLENOVO:pn62742SG:pvrLenovoB590:rvnLENOVO:rn62742SG:rvrWin8ProDPKIPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 62742SG
dmi.product.version: Lenovo B590
dmi.sys.vendor: LENOVO

[U552789 (u552789)]

Annoyingly so I have recently found that the suggestions dropdown menu below text boxes is showing in the wrong place. And even if I click where it is shown, or where the item should be, it may only highlight the relevant option, but close if you try to click it. As shown in this screencast:

    https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1647198/+attachment/4787375/+files/Firefox_suggestions_dropdown_menu_shown_in_wrong_place.mp4

And am able to reproduce the issue on many different sites so I don't think that it is site specific.

I am running Ubuntu GNOME 16.10 with GNOME 3.22 and Firefox 50.

I initially reported this issue here: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1647198 But thought I should also do so upstream. More extensive system information and logs can be found at the linked downstream report.

[Epinal99-bugzilla2 (epinal99-bugzilla2)]

Could you attach another screencast, this one is not playable in Firefox (and in WMP).

Are you able to reproduce the issue with old versions of Firefox?

[U552789 (u552789)]

I am able to play the screencast in my Firefox installation as well as the default Ubuntu player. So I think that it's probably an issue with your environment instead. Have you tried downloading it and playing it in a native player? MP4 is a very common format so you should be able to find some way of playing. If however you do not manage, what format would you prefer me to upload it in?

Yes, this issue showed up in a few of the previous releases. Though the issue is fairly recent. It just happens more in the later versions.

[Epinal99-bugzilla2 (epinal99-bugzilla2)]

I'm sure my machine is fine, your video is corrupt probably due to the encoding during recording the screencast.

Can you use the tool mozregression to narrow down a regression range, please.
See http://mozilla.github.io/mozregression/ for details.
Run the command "mozregression --good=45" (if 45 is good or older) then copy here the final pushlog.

[U552789 (u552789)]

I don't think so, because it plays perfectly well in my Firefox and I imagine that I would have issues too if it were corrupted. Would you like me to try and upload a gif version of it?

Yes, I will have a go with that and let you know.

[Epinal99-bugzilla2 (epinal99-bugzilla2)]

Created attachment 8817197
Firefox_suggestions_dropdown_menu_shown_in_wrong_p.webm

No, it's fine, I used an online tool to convert the MP4 into webm.

[Epinal99-bugzilla2 (epinal99-bugzilla2)]

And about mozregression, did you use it to narrow down a regression range?
Any URL to reproduce the issue?

[Launchpad Janitor (janitor)]

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

[Paul White (paulw2u)]

We are sorry that we do not always have the capacity to review all reported bugs in a timely manner. This bug was reported some time ago and there have been many changes in Ubuntu since that time.

Does anyone still see a problem related to the one that was reported using currently supported versions of Ubuntu and Firefox? Please let us know if you do otherwise this report can be left to expire in approximately 60 days time.

Thank you for helping make Ubuntu better.

Paul White
[Ubuntu Bug Squad]

[Paul White (paulw2u)]

Upstream bug is still showing "Unconfirmed"
Ubuntu tasks won't expire due to bug watch
Reporter no longer uses Launchpad
No response from anyone else affected after 48 days
Not reproducible here using Firefox 67 and Ubuntu 19.10 (dev)
Closing as "Invalid" as cause of issue never established