We are sorry that we do not always have the capacity to review all reported bugs in a timely manner. You reported this bug some time ago and there have been many changes in Ubuntu since that time.
Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017. Do you still see a problem related to the one that you reported in a currently supported version of Ubuntu? Please let us know if you do and in which version of Ubuntu otherwise this report can be left to expire in approximately 60 days time. Thank you for helping make Ubuntu better. Paul White [Ubuntu Bug Squad] ** Summary changed: - uses 900 MB of memory and 90% of my i3 2.2Ghz x4 CPU ! + Firefox uses 900 MB of memory and 90% of my i3 2.2Ghz x4 CPU ! ** Changed in: firefox (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/998557 Title: Firefox uses 900 MB of memory and 90% of my i3 2.2Ghz x4 CPU ! Status in firefox package in Ubuntu: Incomplete Bug description: uses 900 MB of memory and 90% of my i3 2.2Ghz x4 CPU ! running linux 12.04 I use the latest version in ubuntu repositories ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: firefox 12.0+build1-0ubuntu0.12.04.1 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic x86_64 NonfreeKernelModules: nvidia AddonCompatCheckDisabled: False AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: asecrety 1828 F.... pulseaudio /dev/snd/controlC0: asecrety 1828 F.... pulseaudio BuildID: 20120423122928 CRDA: country GB: (2402 - 2482 @ 40), (N/A, 20) (5170 - 5250 @ 40), (N/A, 20) (5250 - 5330 @ 40), (N/A, 20), DFS (5490 - 5710 @ 40), (N/A, 27), DFS Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xdfa00000 irq 49' Mixer name : 'Realtek ALC269VB' Components : 'HDA:10ec0269,10431ad3,00100100' Controls : 18 Simple ctrls : 10 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xdd080000 irq 17' Mixer name : 'Nvidia GPU 1c HDMI/DP' Components : 'HDA:10de001c,00000000,00100100' Controls : 6 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Channel: release Date: Sat May 12 21:53:05 2012 ForcedLayersAccel: False IfupdownConfig: auto lo iface lo inet loopback InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) IpRoute: default via 192.168.1.1 dev wlan0 proto static 169.254.0.0/16 dev wlan0 scope link metric 1000 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.100 metric 2 ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash Profile2IncompatibleExtensions: NoScript - ID={73a6fe31-595d-460b-a920-fcc0f8843232}, Version=2.4, minVersion=1.9a2, maxVersion=1.9.6, Location=app-profile, Type=extension, Active=Yes Profiles: Profile0 - LastVersion=12.0/20120423122928 Profile1 (Default) - LastVersion=12.0/20120423122928 (Running) Profile2 - LastVersion=12.0/20120423122928 Profile3 - LastVersion=11.0/20120310010316 (Out of date) Profile4 - LastVersion=12.0/20120423122928 RunningIncompatibleAddons: True SourcePackage: firefox UpgradeStatus: No upgrade log present (probably fresh install) WifiSyslog: May 12 22:58:45 asecrety-K43SJ wpa_supplicant[1036]: WPA: Group rekeying completed with 00:25:9c:86:8a:de [GTK=TKIP] May 12 23:33:05 asecrety-K43SJ kernel: [ 4439.450587] show_signal_msg: 39 callbacks suppressed May 12 23:33:05 asecrety-K43SJ kernel: [ 4439.450592] EvJobScheduler[4110]: segfault at 7f9bdaff54b0 ip 00007f9bdaff54b0 sp 00007f9bdaff5298 error 15 May 12 23:58:45 asecrety-K43SJ wpa_supplicant[1036]: WPA: Group rekeying completed with 00:25:9c:86:8a:de [GTK=TKIP] May 13 00:23:52 asecrety-K43SJ kernel: [ 7483.469019] compiz[1701]: segfault at 3 ip 0000000000000003 sp 00007fff60ecf2e8 error 14 in compiz[400000+d000] dmi.bios.date: 07/15/2011 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: K43SJ.306 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: K43SJ dmi.board.vendor: ASUSTeK Computer Inc. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: ASUSTeK Computer Inc. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrK43SJ.306:bd07/15/2011:svnASUSTeKComputerInc.:pnK43SJ:pvr1.0:rvnASUSTeKComputerInc.:rnK43SJ:rvr1.0:cvnASUSTeKComputerInc.:ct9:cvr1.0: dmi.product.name: K43SJ dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK Computer Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/998557/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp