Public bug reported:
1) Ubuntu Artful Aardvark (development branch) 17.10
2) firefox 55.0.2+build1-0ubuntu4
3) <10% of Athlon II x2 2000
4) 45-50% of Athlon II x2 2000
I had this in Ubuntu 16.04.3 also
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: firefox 55.0.2+build1-0ubuntu4
ProcVersionSignature: Ubuntu 4.13.0-12.13-generic 4.13.3
Uname: Linux 4.13.0-12-generic x86_64
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k4.13.0-12-generic.
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: user 1071 F.... pulseaudio
/dev/snd/controlC1: user 1071 F.... pulseaudio
BuildID: 20170919185010
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
Mixer name : 'Realtek ALC892'
Components : 'HDA:10ec0892,1458a102,00100302'
Controls : 55
Simple ctrls : 22
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfdffc000 irq 19'
Mixer name : 'ATI RS690/780 HDMI'
Components : 'HDA:1002791a,00791a00,00100000'
Controls : 7
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Channel: Unavailable
CurrentDesktop: LXDE
Date: Sun Oct 1 10:09:30 2017
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 2017-09-29 (1 days ago)
InstallationMedia: Lubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
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 192.168.1.2 metric 100
IwConfig:
enp2s0 no wireless extensions.
lo no wireless extensions.
Locales: extensions.sqlite corrupt or missing
Plugins: Shockwave Flash - /usr/lib/adobe-flashplugin/libflashplayer.so
(adobe-flashplugin)
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=55.0.2/20170919185010 (In use)
RelatedPackageVersions: adobe-flashplugin 1:20170912.1-0ubuntu1
RfKill:
RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/11/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F8
dmi.board.name: GA-880GM-UD2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF8:bd10/11/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-880GM-UD2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-880GM-UD2H:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-880GM-UD2H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Affects: firefox (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug artful
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https://bugs.launchpad.net/bugs/1720611
Title:
firefox "eats" too much CPU while downloads files (not an unkown file
size)
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