[Bug 1453378] [NEW] 100% GPU load even with disabled hardware acceleration

[Alexey Privalov]

Public bug reported:

My computer gets very hot, when im starting firefox. Disabling
acceleration does not help

glxinfo | grep "OpenGL version"
OpenGL version string: 3.0 Mesa 10.6.0-devel (git-f98c3f3 2015-05-08 vivid-oibaf-ppa)


lspci -vnn|grep VGA
02:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Madison [Mobility Radeon HD 5650/5750 / 6530M/6550M] [1002:68c1] (prog-if 00 [VGA controller])

Ubuntu 15.04, firefox & firefox-trunk packages

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: firefox-trunk 40.0~a1~hg20150429r241647-0ubuntu1~umd1
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/pcmC0D0p:   alex0007   1565 F...m pulseaudio
 /dev/snd/controlC0:  alex0007   1565 F.... pulseaudio
 /dev/snd/controlC1:  alex0007   1565 F.... pulseaudio
BuildID: 20150430095849
CRDA:
 country RU: DFS-UNSET
 	(2402 - 2482 @ 40), (N/A, 20), (N/A)
 	(5735 - 5835 @ 20), (N/A, 30), (N/A)
Channel: nightly
CurrentDesktop: GNOME
Date: Sat May  9 16:29:09 2015
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 2015-04-28 (10 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
IpRoute:
 default via 192.168.1.1 dev wlan0  proto static  metric 1024 
 169.254.0.0/16 dev wlan0  scope link  metric 1000 
 192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.4
Locales: extensions.sqlite corrupt or missing
Plugins:
 iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so (rhythmbox-mozilla)
 Gnome Shell Integration - /usr/lib/mozilla/plugins/libgnome-shell-browser-plugin.so (gnome-shell)
 Java(TM) Plug-in 11.45.2 - /usr/lib/jvm/java-8-oracle/jre/lib/amd64/libnpjp2.so
 Shockwave Flash - /usr/lib/mozilla/plugins/libfreshwrapper-pepperflash.so (freshplayerplugin)
PrefSources:
 prefs.js
 [Profile]/extensions/fvdmedia at gmail.com/defaults/preferences/fvd.js
Profiles: Profile0 (Default) - LastVersion=40.0a1/20150430095849
RelatedPackageVersions:
 rhythmbox-mozilla 3.1-1ubuntu3
 gnome-shell       3.16.1-0ubuntu1~vivid1
 freshplayerplugin 0.2.4+git20150505~webupd8~vivid0
RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/25/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.15
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Aspire 7741
dmi.board.vendor: Acer
dmi.board.version: V1.15
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.15
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.15:bd08/25/2010:svnAcer:pnAspire7741:pvrV1.15:rvnAcer:rnAspire7741:rvrV1.15:cvnAcer:ct10:cvrV1.15:
dmi.product.name: Aspire 7741
dmi.product.version: V1.15
dmi.sys.vendor: Acer

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


** Tags: amd64 apport-bug gnome3-ppa nightly-channel third-party-packages vivid

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Title:
  100% GPU load even with disabled hardware acceleration

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