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Old 06-18-2012, 06:22 AM   #1
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Linux intermittently slows down Firefox on my laptop.

Hi all,

First post here, so I've gone for the newbie forum instead of Ubuntu...

Having had a few virus/malware issues which got a bit expensive to have resolved I decided to make the shift to Linux, and somehow settled on Ubuntu - loaded Ubuntu 11.10 onto my desktop compter as a dual boot system and all was well.

I bought a laptop - Acer, I5 processor, 3G RAM, had Ubuntu 11.10 put on by the shop (dual boot, Win 7).

The laptop is noticably faster than my old desktop, but intermittently slows down when browsing the web using Firefox.

It seems to "hang up" with the page tab circling as though my connection is down. Sometimes, the tab keeps circling, sometimes I get a "page not available message".

I initially thought it was my connection, but the desktop was running fine. To access the internet on the laptop I had reboot in Windows !

This isn't an all day everyday occurrence, but happens regularly enough that my wife won't use Linux for browsing the web (Facebook mostly).

This past weekend I did a fresh install of Ubuntu 12.04, but the same has happened again.

Any ideas on how to solve this beyond changing to a different distribution? I've gotten quite used to Unity on the desktop computer and would like to keep with it if possible.

Thanks for reading.

Old 06-18-2012, 10:04 AM   #2
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have you considered changing web browser instead of changing OS!?

sudo apt-get install chromium-browser
or if you prefer
sudo apt-get install chrome
(but you need to have non-free repositories enabled for this).

Chromium has the advantage that each page/tab runs as a separate process, so if one tab hangs you can terminate just that one without possibly having the whole browser and/or system slowed down.

I hope this would help.
Old 06-18-2012, 10:10 AM   #3
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To help you we need more information. How do you connect to the net (wired/wireless)? Which network hardware is your machine using (the output of lspci will help here)?
Old 06-18-2012, 10:41 AM   #4
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Firefox can't load websites but other browsers can | Troubleshooting | Firefox Help -

disable ipv6 usually fixes these type of issues.

using extensions like NoScript, AdblockPlus, Flashblock, Ghostery, also help block junk so pages load faster.
Old 06-18-2012, 04:15 PM   #5
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Consider SeaMonkey. It is the secure version of FireFox. It will kill runaway scripts.
Old 06-18-2012, 04:41 PM   #6
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Originally Posted by michaelm View Post
This isn't an all day everyday occurrence, but happens regularly enough that my wife won't use Linux for browsing the web (Facebook mostly).
I bet she plays Farmville too

Seriously, Facebook has got oversubscribed and it can really drag its ass on occasions.

Look at disabling IPV6, as mentioned, in 12.04 - Debian works a lot faster when web browsing with it disabled.

Also look at the power saving for the wireless card as it may make it run slower - under Ubuntu too try,

sudo /sbin/iwconfig wlan0 power off
where wlan0 (or whatever) is your wireless interface. See if that makes a difference.


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