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#1 2012-06-05 14:55:43

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

High load average with 3.2.0-0.bpo.2-486 kernel

Update: See my later post here. The high CPU usage seems to be related to Xorg, not the browser.

Topic subject was: "Iceweasel 11 chewing up my CPU?"

I'm running #! Statler 32-bit on an Acer Aspire 4710 laptop with Intel Core Duo 2.0GHz CPU and 1GB RAM. I have terminator open with one or two tabs, usually doing nothing, Emacs and Iceweasel with, at present, around 6 tabs open: GMail, Twitter and a few others. CPU usage is constantly above 1.00. I've been watching it for a few days now. top shows me firefox-bin, xorg and plugin-container as the top users. I have the following addons: firebug (not used 99% of the time), firemacs, NoScript, Readability (not used 99% of the time) and Tab Mix Plus. Since starting this message, usage load is now at 1.67. What is chewing up my CPU and why? I'm active in the browser much of the time, but usually with email or a forum posting or reading a page. I'm not playing Flash games or running Google Earth in the browser.

Last edited by SabreWolfy (2012-06-07 07:27:54)


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#2 2012-06-05 15:18:44

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

So I need to test this properly. In the repos there is chromium 6.0 which I think Noah used on the ark, and I don't want to install Google "track you everywhere including when you install" Chrome, so what are good* alternative browsers that are easy** to install?

*secure, stable, reliable, GUI, with a standard set of features.

**installable from the repos or from a downloaded deb file. I really don't feel like compiling a browser from source and resolving what will feel like endlessly recursive dependencies manually. Excluded are browsers like rekonq which require most of the KDE Kitchen Sink.

Last edited by SabreWolfy (2012-06-05 15:22:20)


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#3 2012-06-05 15:26:42

el_koraco
#!/loony/bun
From: inside Ed
Registered: 2011-07-25
Posts: 4,749

Re: High load average with 3.2.0-0.bpo.2-486 kernel

You do realize web content is not always static, do you?

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#4 2012-06-05 15:29:42

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

^ Yes, true. But can GMail, Twitter, two static pages, an MS Exchange login and a forum thread can keep a CPU more than 100% busy, on average?

Last edited by SabreWolfy (2012-06-05 15:30:03)


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#5 2012-06-05 17:05:06

el_koraco
#!/loony/bun
From: inside Ed
Registered: 2011-07-25
Posts: 4,749

Re: High load average with 3.2.0-0.bpo.2-486 kernel

SabreWolfy wrote:

^ Yes, true. But can GMail, Twitter, two static pages, an MS Exchange login and a forum thread can keep a CPU more than 100% busy, on average?

I see, I thought 1.00 meant one percent big_smile
Is your machine heating up like crazy and is everything grinding to a halt with fans roaring?

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#6 2012-06-05 17:27:41

machinebacon
#! unstable
From: China
Registered: 2009-07-02
Posts: 6,634
Website

Re: High load average with 3.2.0-0.bpo.2-486 kernel

The leanest and still usable browser without memorizing keybindings is probably 'midori'

You might also try opera - it is not the low-carb version of all browsers, but behaves quite civil on my netbook (512MB RAM and 1Ghz CPU)

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#7 2012-06-05 17:45:24

zalew
#! Junkie
From: Warsaw, .PL
Registered: 2012-03-28
Posts: 374

Re: High load average with 3.2.0-0.bpo.2-486 kernel

it's GPU drivers problem. find good drivers and that's it. had it with nvidia.

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#8 2012-06-05 18:10:01

ivanovnegro
Ivan #000000
From: unstable madness
Registered: 2011-06-02
Posts: 5,429

Re: High load average with 3.2.0-0.bpo.2-486 kernel

^ If you use Nvidia could be, it is/was the most common problem.
You are not the first one reporting a high CPU usage @Wolfy. May I suggest the real Fox?

Version 11 is also outdated and not supported anymore. You should at least upgrade to the recent 13.

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#9 2012-06-05 18:16:17

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

^ I'm using Intel graphics on this laptop though. Version 13 now?! I thought 11 was quite recent. How come it's not updating anymore? I thought I received a few updates while on Statler...

Are you saying that I should use "Firefox" specifically, instead of "Iceweasel"?

Anyway, searching here for threads on updating Iceweasel.

Last edited by SabreWolfy (2012-06-05 18:25:41)


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#10 2012-06-05 18:26:58

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

Surely if I have this in /etc/apt/sources.list:

deb http://packages.crunchbang.org/statler-mozilla squeeze-backports iceweasel-release

I should be getting the latest version? Maybe that has not been updated. Adding

deb http://backports.debian.org/debian-backports squeeze-backports main
deb http://mozilla.debian.net/ squeeze-backports iceweasel-release

did the trick.

Last edited by SabreWolfy (2012-06-05 18:30:07)


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#11 2012-06-05 18:41:06

ivanovnegro
Ivan #000000
From: unstable madness
Registered: 2011-06-02
Posts: 5,429

Re: High load average with 3.2.0-0.bpo.2-486 kernel

SabreWolfy wrote:

Are you saying that I should use "Firefox" specifically, instead of "Iceweasel"?

At least you can try it. No idea what could be the problem. But honestly, since I switched back to the Fox, I have no more problems at all, like high CPU usage or the memory lack I used to have once on Iceturtle and I use Aurora.

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#12 2012-06-05 18:46:10

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

^ Thanks. I've just pulled down Iceweasel from that Mozilla repo I posted. I think it's Iceweasel 13. I'll try that first and then Firefox proper if necessary.


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#13 2012-06-05 18:50:58

dkeg
#! Die Hard
From: Mid-Atlantic Grill
Registered: 2011-12-05
Posts: 718

Re: High load average with 3.2.0-0.bpo.2-486 kernel

I have noticed recenlty that when I have gmail open, then open like G+ or GDrive, I see spikes in my CPU.  I'm running on the Iceweasel Beta chennel, I think v13.  Not sure if it is related.   Who knows.


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#14 2012-06-05 18:52:26

ivanovnegro
Ivan #000000
From: unstable madness
Registered: 2011-06-02
Posts: 5,429

Re: High load average with 3.2.0-0.bpo.2-486 kernel

^ Have to admit, G+ has an impact. But the Google sites are so bloated, no wonder.

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#15 2012-06-05 19:29:56

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

Iceweasel 13 with only Gmail tab open and idling. Terminator open with two tabs doing nothing. Load average of 1.67. That's not right. Xorg, xulrunner-stub and plugin-container chopping and changing for their turn at the top of "top". iceweasel not appearing at the top now. Usage goes down to about 0.7, then back above 1. Maybe time to try Firefox.


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#16 2012-06-06 00:15:46

pvsage
Internal Affairs
From: North Carolina
Registered: 2009-10-18
Posts: 12,672

Re: High load average with 3.2.0-0.bpo.2-486 kernel

SabreWolfy wrote:

Surely if I have this in /etc/apt/sources.list:

deb http://packages.crunchbang.org/statler-mozilla squeeze-backports iceweasel-release

I should be getting the latest version? Maybe that has not been updated.

This is correct - Corenominal has bigger fish to fry right now, so it's understandable he never got around to setting up a cron job to sync the CrunchBang mozilla and multimedia repos with the upstream repos.


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#17 2012-06-06 01:22:15

zalew
#! Junkie
From: Warsaw, .PL
Registered: 2012-03-28
Posts: 374

Re: High load average with 3.2.0-0.bpo.2-486 kernel

SabreWolfy wrote:

Iceweasel 13 with only Gmail tab open and idling. Terminator open with two tabs doing nothing. Load average of 1.67. That's not right. Xorg, xulrunner-stub and plugin-container chopping and changing for their turn at the top of "top". iceweasel not appearing at the top now. Usage goes down to about 0.7, then back above 1. Maybe time to try Firefox.

xulrunner is the runtime env for firefox. don't know what you are trying to accomplish by installing firefox instead of firefox, could you elaborate?

if xorg eats cpu it indicates is a problem with gpu. precisely it's because "... it appears that Firefox is using an enormous pixmap that exceeds the GPU's maximum rendering dimensions, causing software fallbacks." and while it's a known bug of firefox rendering affecting many linux users, it's probably not the only case when your gpu can't handle something, so better fight with your drivers.

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#18 2012-06-06 01:29:48

machinebacon
#! unstable
From: China
Registered: 2009-07-02
Posts: 6,634
Website

Re: High load average with 3.2.0-0.bpo.2-486 kernel

^ I second that.

@OP: Changing Firefox to Iceweasel or vice versa does not bring anything (I think it's only the branding anyway). I don't know how others see it (I know how VastOne sees it big_smile ) but you can try the sgfxi script (load smxi from www.smxi.org and start sgfxi outside of X) - maybe there was something wrong with your graphics driver selection/installation/support/...

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#19 2012-06-06 06:47:34

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

I considered changing from Iceweasel to Firefox because of this highlighted portion of this post. Didn't understand it myself I must say, and I have yet got around to downloading Firefox, so I don't think I will now, and rather look at the graphics driver issue:

ivanovnegro wrote:

^ If you use Nvidia could be, it is/was the most common problem.
You are not the first one reporting a high CPU usage @Wolfy. May I suggest the real Fox?

Version 11 is also outdated and not supported anymore. You should at least upgrade to the recent 13.


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#20 2012-06-06 06:49:50

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

Further to the above post, I think that the issue with graphics drivers and Firefox is related to slow scrolling on NVidia card -- that's what the link posted earlier by zalew addresses. I don't have slow scrolling and I'm not using a NVidia card. I'll look a the smxi scripts.


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#21 2012-06-06 06:55:19

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

Confirm that the smxi set of scripts are relevant if I am using onboard Intel graphics on this laptop?

Maybe I should also test Iceweasel from the Waldorf live USB on this laptop to see what the CPU usage is. Waldorf would have updated xorg and drivers.


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#22 2012-06-06 06:59:25

machinebacon
#! unstable
From: China
Registered: 2009-07-02
Posts: 6,634
Website

Re: High load average with 3.2.0-0.bpo.2-486 kernel

Hello wolfy:

Sgfxi currently supports ATI fglrx and Nvidia drivers. It also supports converting from or to xorg free drivers like ati, intel, or nv. Smxi uses sgfxi as its graphics driver installer engine, but simply adds some option support for users.

The default driver is the driver that is installed if no arguments are used to override it. Unless your card is too old, and requires a legacy driver, in which case the script will it determine for you.

When you run the script, it will stop, and tell you what driver it is going to install. You can accept that, or exit and redo it with an override option if you want something different.

It won't hurt to try wink

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#23 2012-06-06 07:19:02

SabreWolfy
#! Die Hard
Registered: 2009-03-09
Posts: 1,285

Re: High load average with 3.2.0-0.bpo.2-486 kernel

^ Ok, sounds good. I'm doing this on the machine I use every day, so I'll have to read their page carefully and then give it a try.


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#24 2012-06-06 07:26:42

machinebacon
#! unstable
From: China
Registered: 2009-07-02
Posts: 6,634
Website

Re: High load average with 3.2.0-0.bpo.2-486 kernel

It's quite failsafe. An idea is to install a text-based browser like w3m, netrik, elinks first, and to have it in tty2 or tty3, so that you can actually browse and get info if you are somewhere in the middle of the sgfxi or smxi script. There are some big fans of smxi/sgfxi here, and it has never let me down yet (ok, I am using nvidia)

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#25 2012-06-06 07:34:51

h8uthemost
#! Junkie
Registered: 2011-08-09
Posts: 300

Re: High load average with 3.2.0-0.bpo.2-486 kernel

Give Swiftfox a shot, Sabre. It's my default browser and I never have problems with it. It's incredibly light, and it doesn't eat my RAM or shoot up my CPU.

I currently have Swiftfox with two tabs open, Sylpheed, and urxvt with tmux and rtorrent running in it and my CPU is currently at 6%. And I have an ancient 10 year old computer. Only thing is Swiftfox is still based on FF 3.6(.13) as dev on the browser has halted. But I also have IW 13 installed and I don't miss any features that are in the newer versions of IW when I use Swiftfox.

So anyways it's worth a try. You can find .deb files on it's home page.


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