[Bug 1579452] [NEW] videos in 480p lagging after update

[Daniel Pereira]

Public bug reported:

after last update of firefox (46.0), videos in resolution 480p from
youtube and other site lagging, delay of sound regarding video.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: firefox 46.0+build5-0ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
Uname: Linux 4.4.0-22-generic i686
AddonCompatCheckDisabled: False
ApportVersion: 2.20.1-0ubuntu2
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  daniel     1057 F.... lxpanel
BuildID: 20160425114546
Channel: Unavailable
CurrentDesktop: LXDE
Date: Sat May  7 21:55:12 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)
IpRoute:
 default via 192.168.1.1 dev enp2s0  proto static  metric 100 
 192.168.1.0/24 dev enp2s0  proto kernel  scope link  src 192.168.1.35  metric 100
IwConfig:
 lo        no wireless extensions.
 
 enp2s0    no wireless extensions.
Locales: extensions.sqlite corrupt or missing
Plugins:
 Shockwave Flash - /usr/lib/adobe-flashplugin/libflashplayer.so (adobe-flashplugin)
 Shockwave Flash - /usr/lib/browser-plugin-freshplayer-pepperflash/libfreshwrapper-flashplayer.so (browser-plugin-freshplayer-pepperflash)
PrefSources: prefs.js
ProcEnviron:
 LANGUAGE=pt_BR:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=46.0/20160425114546 (In use)
RelatedPackageVersions:
 adobe-flashplugin                      1:20160407.1-0ubuntu1
 browser-plugin-freshplayer-pepperflash 0.3.5-1~webupd8~wily~2
RfKill:
 
RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: Upgraded to xenial on 2016-04-22 (15 days ago)
dmi.bios.date: 11/25/2008
dmi.bios.vendor: Desenvolvida para Positivo Informatica SA
dmi.bios.version: 0001
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: POS-AG31AP
dmi.board.vendor: Positivo Informatica SA
dmi.board.version: x.xx
dmi.chassis.type: 3
dmi.chassis.vendor: POSITIVO
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnDesenvolvidaparaPositivoInformaticaSA:bvr0001:bd11/25/2008:svnPOSITIVO:pnPOS-AG31AP:pvrSystemVersion:rvnPositivoInformaticaSA:rnPOS-AG31AP:rvrx.xx:cvnPOSITIVO:ct3:cvrChassisVersion:
dmi.product.name: POS-AG31AP
dmi.product.version: System Version
dmi.sys.vendor: POSITIVO

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


** Tags: apport-bug i386 xenial

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https://bugs.launchpad.net/bugs/1579452

Title:
  videos in 480p lagging after update

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