[Bug 1658458] [NEW] horizontal lines while scrolling web pages and watching youtube videos

Daniele 1658458 at bugs.launchpad.net
Sun Jan 22 11:40:25 UTC 2017

Public bug reported:

I see horizontal lines while scrolling web pages and watching HD YouTube videos. Disabling Hardware acceleration only worsen everything.
I'm using Ubuntu 16.04 LTS with Nvidia version 378.09 (open source) drivers on a Lenovo z50-70 with Nvidia Geforce 840M and Intel i7.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: firefox 50.1.0+build2-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
AddonCompatCheckDisabled: False
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
 /dev/snd/controlC1:  daniele    1834 F.... pulseaudio
 /dev/snd/controlC0:  daniele    1834 F.... pulseaudio
BuildID: 20161209095719
Channel: Unavailable
CurrentDesktop: Unity
Date: Sun Jan 22 12:34:14 2017
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
 # 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 2017-01-08 (13 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
 default via dev wlp2s0  proto static  metric 600 dev wlp2s0  scope link  metric 1000 dev wlp2s0  proto kernel  scope link  src  metric 600
Locales: extensions.sqlite corrupt or missing
Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
PrefSources: prefs.js
 PATH=(custom, no user)
Profiles: Profile0 (Default) - LastVersion=50.1.0/20161209095719 (In use)
RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/20/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: 9BCN29WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lancer 5A5
dmi.board.vendor: LENOVO
dmi.board.version: 31900058WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Z50-70
dmi.modalias: dmi:bvnLENOVO:bvr9BCN29WW:bd10/20/2014:svnLENOVO:pn20354:pvrLenovoZ50-70:rvnLENOVO:rnLancer5A5:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoZ50-70:
dmi.product.name: 20354
dmi.product.version: Lenovo Z50-70
dmi.sys.vendor: LENOVO

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

** Tags: amd64 apport-bug xenial

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