Scrollbar thumb not drawn in firefox 46 (gtk3?)

Bug #1575896 reported by Joe Barnett on 2016-04-27
38
This bug affects 6 people
Affects Status Importance Assigned to Milestone
firefox (Ubuntu)
Medium
Unassigned

Bug Description

As of today's firefox 46 release, the scrollbar thumb is not being drawn, just see a thin grey bar on the right side of the window. Probably related to switchover to gtk3. Gtk theme is the ubuntu-gnome default of Adwaita.

See screenshot attached.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: firefox 46.0+build5-0ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: jbarnett 2545 F.... pulseaudio
 /dev/snd/controlC1: jbarnett 2545 F.... pulseaudio
 /dev/snd/controlC3: jbarnett 2545 F.... pulseaudio
 /dev/snd/controlC2: jbarnett 2545 F.... pulseaudio
BuildID: 20160425114621
Channel: Unavailable
CurrentDesktop: GNOME
Date: Wed Apr 27 12:47:31 2016
EcryptfsInUse: Yes
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 2015-08-21 (250 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Alpha amd64 (20150819)
IpRoute:
 default via 172.16.1.1 dev wlp3s0 proto static metric 600
 169.254.0.0/16 dev docker0 scope link metric 1000 linkdown
 172.16.1.0/24 dev wlp3s0 proto kernel scope link src 172.16.1.43 metric 600
 172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
Locales: extensions.sqlite corrupt or missing
PrefSources:
 prefs.js
 [Profile]/<email address hidden>/defaults/preferences/cookiemgr.js
 [Profile]/<email address hidden>/defaults/preferences/prefs.js
 [Profile]/extensions/{ea4637dc-e014-4c17-9c2c-879322d23268}/defaults/preferences/defaults.js
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=46.0/20160425114621 (In use)
RelatedPackageVersions:
 google-talkplugin 5.41.0.0-1
 browser-plugin-freshplayer-nacl 0.3.4-3
 browser-plugin-freshplayer-pepperflash 0.3.4-3
 adobe-flashplugin 1:20160407.1-0ubuntu1
 gnome-shell 3.20.1-0ubuntu1~xenial3
RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: Upgraded to xenial on 2016-02-16 (71 days ago)
dmi.bios.date: 06/05/2015
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP114.88Z.0172.B04.1506051511
dmi.board.name: Mac-06F11FD93F0323C5
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro11,4
dmi.chassis.type: 9
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-06F11FD93F0323C5
dmi.modalias: dmi:bvnAppleInc.:bvrMBP114.88Z.0172.B04.1506051511:bd06/05/2015:svnAppleInc.:pnMacBookPro11,4:pvr1.0:rvnAppleInc.:rnMac-06F11FD93F0323C5:rvrMacBookPro11,4:cvnAppleInc.:ct9:cvrMac-06F11FD93F0323C5:
dmi.product.name: MacBookPro11,4
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

Joe Barnett (thejoe) wrote :
description: updated
Amr Ibrahim (amribrahim1987) wrote :

Yes. I see it in Trusty. Sometimes the scrollbar thumb disappears in Launchpad.net

tags: added: trusty
Launchpad Janitor (janitor) wrote :

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

Changed in firefox (Ubuntu):
status: New → Confirmed
Amr Ibrahim (amribrahim1987) wrote :

I think this bug is hardware-related. I have another machine that is not affected.

Amr Ibrahim (amribrahim1987) wrote :

Do you have GNOME theme installed for Firefox? When I disable it, the bug disappears.

Joe Barnett (thejoe) wrote :

according to the add-ons panel, I only have installed the 'Default' theme

Joe Barnett (thejoe) wrote :

actually, installing the gnome theme at least makes the scrollbar appear, even if it looks kinda ugly. see attached screenshot

Joe Barnett (thejoe) wrote :

actually, installing the gnome theme at least makes the scrollbar appear, even if it looks kinda ugly. see attached screenshot

ralf tauscher (stereo) wrote :

i installed also the gnome theme... the ugly scroll bar appeared but not in every place where it should be and sometimes it disappeared completely. something is utterly wrong with it. and it seems to be within the adwaita theme, because I dont have this problem under 14.04 only in xenial.

my workaround was downgrading to firefox 45 (gtk2)

Changed in firefox (Ubuntu):
importance: Undecided → Medium
Joe Barnett (thejoe) wrote :

Simlarly, checkboxes and radio buttons are pretty much invisible until activated, should that be a separate bug or handled in this?

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