Thursday, May 23, 11:12 pm

Resolve slow connexion when using wifi in ubuntu 13.04 Raring Ringtail, 12.04 and LinuxMint13

Written by M. Zinoune on June 21, 2011. Posted in Linux Mint, Linux tutorials, Ubuntu

Updated-30/04/2013: If after installing or upgrading to Ubuntu 13.04 Raring Ringtail. or to Ubuntu 12.04 LTS Precise Pangoline, if you noticed a slow connexion when using the wifi, this is a simple solution. This solution works also for LinuxMint13 and above.

1- First Method: ~~A second~~ The first solution for the slow connexion issue can be by using the following :

Open terminal and enter the following command:

sudo -s gksu gedit /etc/modprobe.d/ath9k.conf

at the end of the file add this:

options ath9k nohwcrypt=1

Save an restart your OS.

If you still have the issue of slow connexion, then try instructions on step 2.

2- Second Method:

This method involves forcing iwlagn to not use n, the commands will disable n on the device without making it a permanant change, check first if this work for you, if you notice that the speed improved then continue to make the change permanant. If this solution didn`t work for you, then reboot your computer to revert the chnages.

sudo rmmod -f iwlagn
sudo modprobe iwlagn 11n_disable=1

If you notice that the wifi speed improved, then make the change permanent :

gksudo gedit /etc/modprobe.d/iwlagn-disable11n.conf

and add this line to the file:

options iwlagn 11n_disable=1

save & quit

3- Third method to resolve the slow connexion issue: You need to disactivate IPv6, to do that, open terminal and enter the following commands:

echo "#disable ipv6" | sudo tee -a /etc/sysctl.conf echo "net.ipv6.conf.all.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf echo "net.ipv6.conf.default.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf echo "net.ipv6.conf.lo.disable_ipv6 = 1" | sudo tee -a /etc/sysctl.conf

Then restart your system.

Please report if the solution discribed in this post worked for you by commenting this post. Thanks for your help.

1 &2 Via | lffl

For questions please refer to our Q/A forum at : http://ask.unixmen.com

linuxmint12

x4masx

YES!
thank you so much. I’ve been searching old threads and finding nothing to help my slow smb speeds.
…Just for the record this works splendidly for Mint 11. the above line is the only string in the newly created ‘ath9k.conf’ file.

beauty.
Alberto

I tried method 2 on Mint 11 and it worked like a dream.
MacFun77

Thanks guru. This is why Linux for the desktop and for the common user is Free Crap.
http://enteryoursiteURL... Joseph

"If after installing or upgrading to Ubuntu 11.04 you noticed that the connexion is too slow when using the wifi, [there] is a simple solution."

Switch to openSUSE? :-)

Seriously, disabling things that could be necessary very soon like ipv6 isn’t really a solution. A solution would be a Ubuntu-side update to fix whatever’s causing the problem.
http://xjonquilx.co.cc Jonquil

Confirmed working on an MSI U100 using most up to date version of Ubuntu 11.04
http://xjonquilx.co.cc Jonquil

Why is it people like you always come out when Ubuntu is the middle of a developmental release? It’s quite easy enough to re-enable IPv6 once an update is available for this bug, which I’m sure will be soon as an LTS version is coming up. You act like you show no patience when your own choice of distro comes up with a bug when obviously you wait like everyone else for the bug to be fixed, other wise you would not be using it at all.
- Joseph
  
  11.04 isn’t an alpha release, it’s a release. Making a release with serious bugs that should have been caught in testing isn’t good for Linux and the solution isn’t to just pretend it didn’t happen. Ubuntu 11.04 has garnered many negative reviews this release from major Linux sites suggesting people stick with 10.04, which doesn’t help Ubuntu either. I mentioned openSUSE in my original post, but it’s a good example. People weren’t happy about some things and the development cycle was then changed to 8 months from 6 months. Now it’s praised as being very well polished. This happened because people spoke up and insisted on it. Several users of Sabayon Linux (including myself at the time) expressed displeasure when rolling updates broke the system and made our desires very clear for a more stable repository to allow easy reverting to a previous version if something broke. The head developer listened and created such a repository after enough people spoke up, even though one of the other developers initially dismissed the idea as "impossible" after the first person suggested it.
  
  If Ubuntu users just "wait patiently", the message will be sent that users don’t mind when releases come out with issues like this or that they prefer more work be spent during a release cycle on novel new features like Unity rather than stability and bug testing and the distribution will start to become more like Fedora. If people were really inconvenienced by this they do need to say so so developers know what the priority of their users truly is.
Toza

Sadly, this tip had no effect on my machine. Average speed is still 4-5x slower then when I use Mandriva. Somebody mentioned SuSe, maybe that too is a good alternative.
FFV

It totally worked for me!
Thanks a lot!!!
K

Hi,

Re: second method
Here’s a copy of everything entered into and returned by the terminal after I submit the command gksu gedit /etc/modprobe.d/ath9k.conf

ubuntu@ubuntu-Dell-System-XPS-L502X:~$ sudo -s
[sudo] password for ubuntu:
root@ubuntu-Dell-System-XPS-L502X:~# gksu gedit /etc/modprobe.d/ath9k.conf

(gedit:2437): Gtk-WARNING **: Attempting to store changes into `/root/.local/share/recently-used.xbel’, but failed: Failed to create file ‘/root/.local/share/recently-used.xbel.X2G1XV’: No such file or directory

(gedit:2437): Gtk-WARNING **: Attempting to set the permissions of `/root/.local/share/recently-used.xbel’, but failed: No such file or directory
^C
root@ubuntu-Dell-System-XPS-L502X:~# ^C
root@ubuntu-Dell-System-XPS-L502X:~#

Can you please advice on possible solution for the directory issue?

Regards

K
- mizo
  
  Hi K;
  
  you have issue with the Gedit, try with vi /etc/…. or nano /etc/….
  
  it will works sure
JOHN

Method #2 worked for me on Natty 11.04 with an Acer Aspire7741G

* As a side note, I previously tried disabling power management by Natty on the wlan which did not work.
Mithun Daa

Step 1 did the trick for me. Thank you very much.
http://enteryoursiteURL... Eric

Thanks so much! My wifi connection is now as fast as it is on my windows machine.
Derek

Performed fix 1 and had no success. I tried method 2 but got this feedback.

derek@Articulate:~$ sudo -s
[sudo] password for derek:
root@Articulate:~# gksu gedit /etc/modprobe.d/ath9k.conf

(gedit:2508): Gtk-WARNING **: Attempting to store changes into `/root/.local/share/recently-used.xbel’, but failed: Failed to create file ‘/root/.local/share/recently-used.xbel.UTW1XV’: No such file or directory

(gedit:2508): Gtk-WARNING **: Attempting to set the permissions of `/root/.local/share/recently-used.xbel’, but failed: No such file or directory

Solution?
- zinovsky
  
  See answer from Mizo above :
  you have issue with the Gedit, try with vi /etc/…. or nano /etc/…."
  
  Use another edtor and surely will work for you
- mintNewbie
  
  I had same message. All I did was create the file and add
  
  options ath9k nohwcrypt=1
  
  to the file.
MartiL

YES! Finally, a normal WiFi connection! Thank you so much for posting, solution 1 works like a dream!
MartiL

Darn, it didn’t fix it. Just seemed that way, but it’s up and down again :(
Solution 2 didn’t help much as the code was already in the file.

So, we’re back to wired internet … (am I the only one who soooo regrets updating to Natty?)
mintNewbie

After upgrade to mint11, my wireless connection speed went down to dial up modem speed.

I couldn’t take that slow connection speed. Fortunately, your information 2nd method helped to get my wireless speed back to normal.

Thank so much.

It looks like every odd number version of mint come some sort of annoying bugs..

but same time, good people have helped to solve problem. :)
Netburn

Thank You!

So far it seems second option did it for me. I’m so glad this worked, this issue was driving me crazy.

Regards.
http://enteryoursiteURL... frodude

thank you so much method 2 works! I thought i was gonna screw some where since i have very little experience in command prompts like terminal. thanks again!
alejandra

first method seemed to solve the issue for me, thanks a lot
http://enteryoursiteURL... islandboy

I can’t detect wireless at all after I install Ubuntu 11.04
D Bruce

Just a heads up that this worked well for me. I opted to leave IPv6 working as it’s being rolled out across the web now, however the second config edit nearly doubled my speed. Not quite where it was with Win 7, but manageable now until I can debug later.

THANKS A BILLION!
- zinovsky
  
  You are welcome :)
Vitor

It worked (second method)! Thks very much!
http://www.bestfinance-blog.com BREWERLucy

This is perfect that people are able to receive the mortgage loans moreover, that opens up completely new chances.
http://www.bestfinance-blog.com Rosa29DEANA

That’s great that we are able to take the credit loans and that opens up completely new possibilities.
Jamie

Hi – THANKS!!!!! I am on Linux Mint 11 on a wireless connection. My speed tests were showing download speed of only 1 to 2 MBS, on a 25 MBS Fios. Win7 PCs were all showing 25MBS. On the tests on Mint, the upload was showing 14 MBS! So I did your method 2, now download is 25 MBS! Fantastic!!!!!! I wonder how many zillions of people are limping along on this problem?
Jds

The first solution fixed the slow wifi on Linux Mint 11
Thank You!!!
Xash

step 2 worked for me Linuxmint11….thanx a lot
Miguel

The second solution seems to be working on my Lenovo s10-3 using Ubuntu 11.04. Like others I had to create the file. Thanks. I understand the first solution (you explained it), what does the second do exactly?
W

Oneiric, i5 2410, AMD Radeon.

2nd part fixed slow wireless.

Lots of thanks for this small but seriously wanted setting.
Binish

the first solution worked, great…thanks a lot my friend..
jimf

2nd method works but my device was ath5k.
http://enteryoursiteURL... peter

Worked for me, T400 with Ubuntu 11.10
szefu[pl]

Works just perfect on Linux Mint 11
egemen

I had made a clean install of ocelot. However experiencing the same slowness problem. Neither of the methods worked for me.
Anonymous

I edited the configuration file with vi, placed in the lines, and after a restart, it works much better
Thanx
http://enteryoursiteURL... Majed Sahli

Fresh ubuntu 11.10 install on a lenovo y430, disabling IPv6 worked for me :) THANKS!
DCL

FYI, Ubuntu 11.10 seems to have a bug in regards to 802.11n. These methods didn’t work for me and I actually had to turn N off at my router. It’s a high priority bug right now…

https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/836250
Douby

1 & 2 didn’t work for me but this di :
sudo rmmod -f iwlagn
sudo modprobe iwlagn 11n_disable=1

bug with n wifi

make this permanent :
gksudo gedit /etc/modprobe.d/iwlagn-disable11n.conf

add
options iwlagn 11n_disable=1

save & quit
- http://enteryoursiteURL... zinovsky
  
  Thanks Douby, i will test this method in Ubuntu and Linuxmint.
- Buck Yeh
  
  Thanks! Works for me in Ubuntu 11.10
- ejt
  
  Douby’s method worked like a charm, without having to disable IPv6. I’m using Ubuntu 11.10 on a Lenovo W520. Thanks a lot!
room271

Can someone post how to revert these changes please.

Not sure if it is important to revert back or not if they didn’t work, but can someone explain how if it is.

Thanks
Anton

Neither 1 nor 2 worked, but Douby’s solution did! Thanks!

Ubuntu 11.10 on ThinkPad W510
Pavan

solution 1 worked like a charm.. faced the exact same problem…
Cory

Method 2 did the trick for me. Thank you sir. Seems like every new version of ubuntu comes with some major and incredible annoying bug. At least this one was an easy fix.
- Cory
  
  using ubuntu 11.10 on an Acer Aspire 5552g
Joseph

So this was NEVER fixed on Ubuntu’s end, even in 11.10?
Mapuka Mueller

non works for acer aspire 6930G…
video halts after ever 3 seconds and loads for about 10 min for the next packet.
* Would be ok, if this was an alpha- or beta- but not a full release * How can a system so robust in many other "more" complex domains so SUCK in less complex WIFI ?
This windows nerds won’t wait to point fingers at me ughhh.
mavu

doesnt work.. any of the method’s deactivate wireless
asdasd

Thanks :D

Worked for me on 11.04 U :D
Mads

Method 2 worked like a charm on my MSI Wind U120.

Everything was working fine on 11.04 but after I upgraded to 11.10 the Wifi connection would work for a few seconds and then disconnect, and refuse to work thereafter.

It seems HW encryotion support shouldn’t be enabled for the Atheros 928x chipset?
http://goodfinance-blog.com ANGELITA18Oneill

If you are willing to buy real estate, you would have to get the business loans. Furthermore, my sister commonly utilizes a short term loan, which occurs to be the most useful.
John

Yeah! Thanks alot. Soulution 1 worked for me. :=)
Ays

It worked! I was wondering what was happening because I mostly use a wired connection. The first method didn’t work for me, but the second one made it all better.
http://www.squidoo.com/download-ubuntu Mediawizard

Great it works, wifi connection is faster.

Method 1 — Some improvement in speed

Then I also tried method 2

wifi speed looks now fine

Thanks a lot.
PatHibulaire

I’ve tried the method 2 without disabling IPv6 and it worked as expected.
I’m sure the issue is not related to IPv6 but to hardware encryption instead…
Exasperated

This problem is an infuriating nightmare in Mint 11! A Release this pathetically buggy is what drives people away from Linux.

I am completely new trying to get away from Windows.

I have the same problems as K. And No, I have no idea what else to "edit" with, where to locate it or how to use "edit". I only have what originally came with Mint 11.

Can someone please post literal step-by-step solution instructions?

Thanks.
mohammad

hi all
send massage to me untill i learn english that speak by u
m3matae@gmail.com[color=green][/color][size=small][/size][size=large][/size]
Charly

Thank you very very much. You solved my problem! It was driving me crazy!
filipinoninja7

awwwweeeee yeah that worked very well
thanks!
Alessandro

For me the second method worked. The first was redundant.
I have an Asus P52F with Ubuntu 11.10

Thank you so much!
john

#1 worked on 1st reboot. 2nd reboot and was back to slowville. #2 method had no effect.

Thoughts? Dell Inspiron 6400
http://www.pratyusa.info Praty

i don’t find a "ath9k.conf" file in the /etc/modprobe.d
Should I create such a file or there is something else that can be done?
I am using vostro 1088 with ubuntu 11.10 version.
hotstovejer

If you’re using the ath5k driver, would step 2 work, only replacing the 9k with 5k?///////
http://enteryoursiteURL... Bamnjman

Thank you for your solution
Stephane

The first method saved me, it put an end of two years of ssh pain, thank you.
steven

great solution, worked great.
wolfgang

solution 1 worked! thanks a lot!

i actually don’t understand how that can happen and if ubuntu is to blame…
terry

Second method worked for my Mint 11 slow wireless.
wolfgang

hi again,
solution 1 seems to work only temporarily for my lenovo t400. i found a permanent one (which looks similar to solution 2) here:
http://ubuntuforums.org/showthread.php?p=11350492#post11350492
IvanN

Thank very much, because you I come back to ubuntu again,
I use ath5k driver and
options ath5k nohwcrypt=1
is my magic
Thank, Thank
ubuntux

Thanks so much now experiencing proper download speeds of my connection.
I just tried the 2nd Option didnt try the 1st
kaiserfilk

It worked!!!
Thank you.
John Jeremy Skoliak

Thanks, your suggestion n.2 solved my problem. Now my wifi connection on Ubuntu is faster than on Windows. One question I have is, how did you come up with this? :-) Cheers, JJ
Shane

I recently upgraded from 11.04 to 11.10 on my Asus Netbook.

I tried the first method and the fast web is back again.

Thank you very much!!!!
David

Thank you very much for your help, the second step has resolved the problem. Cheers.
Zk09337

didnt work for me
http://profiles.google.com/matt.d.monty Matthew Montgomery

#2 worked for me. Thanks.
SHolloway

Method 1 worked for me.
- Joe Pimentel
  
  +1 for method2 (Asus G73S) – Kubuntu 11.10
Bill

None of this work for me
Jeff

method 2 worked on Asus X5DI Series
http://twitter.com/ShoreShotWeb Rob Koa Cole

I ran option #1 on 11.10 64-bit, running on an HP Pavilion. It helped the speed of sending requests a little. I could not run option #2, because I get the error that the group ksu does not exist.
Xiao2c

I have problem on 10.11, so after disable all ipv6, still having the same problem.
and found this solution works. which you need to turn off the power management on ur wireless device. http://www.hitxp.com/articles/software/ubuntu-fix-slow-wireless-internet-connection-speed-upgrading-11-04-natty-narwhal/
Joe Pimentel

+1 for method2 (Asus G73S) – Kubuntu 11.10
- Ubuntu User
  
  if options iwlagn 11n_disable=1 does not work then try
  options iwlwifi 11n_disable=1
- Ubuntu User
  
  if options iwlagn 11n_disable=1 does not work then try
  options iwlwifi 11n_disable=1
  - hitbylife
    
    I get:
    
    “ERROR: Removing ‘iwlwifi’: No such file or directory”
    
    The same happens with “iwlagn”
Jaques Grobler

checked if have atheros card – don’t so didn’t do 1.

2 worked for me.

Thanks for tip
Guest

I find your advice often and useful whenever I have troubles with Ubuntu. However, it would be nice if you would take a moment to explain what these snippets do. See, the thing is, I am not really learning much from copying and pasting. Thanks, Mate.
Janiporo

Ubuntu 11.10 and USB Wlan unit: “0bda:8172 Realtek Semiconductor Corp. RTL8191S2″

First problem: -sgksu gives error:
“sudo: unknown group: ksu”

Second method problem: gives error:
“ERROR: Removing ‘iwlagn’: No such file or directory”Third method problem: Multiple errors, will not list them here. There must bee some typos here.
- Anonymous
  
  Hi, sorry, i updated the command in method 1, it is working now. Regarding method 2 i just did use it again in my LinuxMint12 and i saw a big improvment in speed. Please let me know if did work for you. Thanks
Christian

none of the worked for me the 1 there was some error and it opened an empty document and at the second it said iwlagn no such file or directory
at 3 there was just no change in the speed
Hector Bernal

Hey!
I’m having the same problem with wifi. I tried the first method and I got this errors after adding
options ath9k nohwcrypt=1
to the iwlagn-disable11n.conf file. And Internet is still slow… I’ll try the other methods later.
Studio-1558:~# gksu gedit /etc/modprobe.d/ath9k.conf
error: line 6787: 0 is wrong flag id
error: line 10034: 0 is wrong flag id
Janiporo

Mine was a hardware conflict and had nothing to do with Ubuntu. win xp = same problem.
Diego

No luck for me too on my Envy 17 with Centrino Advanced N6200 wireless. First method disabled my wirelss completely. second method : Error removing ‘iwlagn’ no such file or directory. Can anyone help? I may miss iwlagn completely that’s why I cannot solve the problem?
Viklund Lars

Linu Mint 12.Solution 3, went
from 80kb/s to 250kb/s diclining to 120kb/s
when copying 100MB from
NAS.
Ujjawal Misra

method-1 worked for me.. thanks :)
http://profiles.google.com/dr.sammyd Sam Armstrong

It might also be a power management issue for your wireless
try the following command
sudo iwconfig wlan0 power off
- Elloco305
  
  Worked like a charm thanks for this
- http://petermolnar.eu/ Péter Molnár
  
  You’re the man; Lenovo ThinkPad T400 + Intel 5300 card is now working as expected. Big thanks.
- Rodrigo Lopez
  
  how can i make this permanent? script at startup?
maastrichtian

#2 worked for as well.. BUT, I don’t see a
iwlagn-disable11n.conf in /etc/modprobe.d/Not sure what’s up with that…
- maastrichtian
  
  Ohhh I need to ADD the file… Worked for me.
Mohammed Hussain

this is what worked for me (step 1 with the atheros) after lots of searching around. Thanks very much.
Guest

I am using Linux Mint 12 an had the same problem. I tried the third method – disable ip6 – and that works great. I don’t disable it your way, i have used the Network Settings and set the ipv6 method to Ignore.

Thanks a lot.
George Yord

Got it working on a Toshiba Satellite P755 with the first method.
Thx!
Oberguru

nothing worked for me, dont get faster then 1mb/s downspeed
James

Yep 2 for me intel card
Don

super easy,thank you so much
R_rozx

Nothing of them worked for me :(
tibo

thanks this worked perfectly fine for me ! I lost 1 day waiting for pages to load on chrome, and now speed is back
- tibo
  
  (the 2nd point, on ubuntu 11.10 intel chip)
davidit

THANKYOU! i installed ubuntu precise LTS 12.04 method 1 increased my wifi speed from 10kb to about 50kb eh method 2 did not work i have atheros ar9285 and it just couldnt locate the files and METHOD 3! the minute i saw that i knew it would work i was like DUH!!! just diable ipv6 and surely enough it did boosted me from 50kb to 354kb once i rebooted THANK YOU !!!!!!!
davidit

THANKYOU! i installed ubuntu precise LTS 12.04 method 1 increased my wifi speed from 10kb to about 50kb eh method 2 did not work i have atheros ar9285 and it just couldnt locate the files and METHOD 3! the minute i saw that i knew it would work i was like DUH!!! just diable ipv6 and surely enough it did boosted me from 50kb to 354kb once i rebooted THANK YOU !!!!!!!
davidit

THANKYOU! i installed ubuntu precise LTS 12.04 method 1 increased my wifi speed from 10kb to about 50kb eh method 2 did not work i have atheros ar9285 and it just couldnt locate the files and METHOD 3! the minute i saw that i knew it would work i was like DUH!!! just diable ipv6 and surely enough it did boosted me from 50kb to 354kb once i rebooted THANK YOU !!!!!!!
davidit

THANKYOU! i installed ubuntu precise LTS 12.04 method 1 increased my wifi speed from 10kb to about 50kb eh method 2 did not work i have atheros ar9285 and it just couldnt locate the files and METHOD 3! the minute i saw that i knew it would work i was like DUH!!! just diable ipv6 and surely enough it did boosted me from 50kb to 354kb once i rebooted THANK YOU !!!!!!!
Guest

None of those worked for me since my wireless adapter uses the RTL8192CU driver. Ignored IPv6 with no change.
http://www.facebook.com/david.t.brown1 David Timothy Brown

when I do method #2, I get ‘ ERROR: Removing ‘iwlagn’: No such file or directory’ when I run the command ‘sudo rmmod -f iwlagn’ do you know what the problem is?
fufu

hai have a problem here…i `m using dell xps 13 ultrabook, n i install ubuntu 12.04 , the problem here i found wifi but it unable to connect
http://www.facebook.com/InternetMarketing.ClickBank.Twitter Theo Verdurmen

Problem slow wifi connection after upgrading ubuntu 11.10 to ubuntu 12.04
Your first solution worked for me.

sudo -s gksu gedit /etc/modprobe.d/ath9k.conf

at the end of the file add this:

options ath9k nohwcrypt=1Saved file and restarted the system.Now my Wifi connection is working fine.Thank you very much
http://www.facebook.com/people/Vytautas-Povilaitis/1182535045 Vytautas Povilaitis

The first solution worked for me and saved my day :)
Vineet Billorey

Hi, I m using MTS Data Card in Ubuntu12.04 and ‘sudo iwconfig’ shows following:

ppp0 no wireless extensions.
lo no wireless extensions.
eth0 no wireless extensions.

I tried ur Ist step:- no increase in speed
IInd step:- Message: “ERROR: Removing ‘iwlagn’: No such file or directory”
IIIrd step:- Message: “#disable ipv6″

But still the speed is not increased.

Any suggestion?

Thanx
Bertalanimre

Method one worked for me, so I won’t try the rest. ) I was affraid of it because there was no “/etc/modprobe.d/ath9k.conf” file in the system. But creating it and addign the mentioned line fixed it. Thank you!
Jerry

None of these worked for me nor did any of the other solutions I found. I have 6 laptops all running Mint10 and 11 except for one on Win7 and one dual booting Win7/Mint12, now Ubuntu 12.04. All of them connect to the net perfectly except for this one, first with Mint12 and now Ubuntu 12.04. I have spent days trying to get Network manager working with no joy and am now completely sick of trying. The Network Manager devs need to be taken outside and given a good kicking in the real world! Wireless not working properly in 2012? Absolutely no excuse if Linux is to be taken seriously!
- http://twitter.com/Truefire_ Robbie Pence
  
  It’s free, and they can’t control what driverset is introduced to the kernel.
  - Jerry
    
    I give a lot of my time setting up networks, fixing PCs and laptops for friends and family. What I don’t do is half a job and then walk away blaming the hardware or whatever. I have finally got it working by changing to an Atheros card that is four years old and hacking the bios in my Thinkpad so it can be used. So that’s three wireless cards later just to get something working that worked fine in 11.04. The bug report about slow wireless in 11.10 and now 12.04 was first opened in August 2011. Still isn’t fixed!
    - http://thepeoplescube.com/ Privacy Cube
      
      Ignoring a problem requires far less effort!
      
      Memory bugs and extesnsions management issues have been ignored for more than a decade by the now mozilla people.
      
      Passing the buck forward is slightly more effort than ignoring but certainly less than solving the issue
Hodor

Sadly none of those worked for me so far, after 10 seconds of downloading a file, the connection stops and restarts after 3-5 seconds. Trying to disable IPv6 now, hope it’s going to be fine…
- Hodor
  
  Nope, no better connection, same problems as before.
  The second alternative could not be tried out by me, because there is no module called “iwlagn” which i could remove or re-enable… :-(
  Any more suggestions how to solve my problem?
Ibrahim

Thank you for this great post. Please note that the second method is not working for 12.04. The reason is that the file name is changed from (iwlagn) to (iwlwifi).
Please see my post in askubuntu.com
http://askubuntu.com/questions/130499/finally-the-solution-for-slow-wireless-wifi-on-both-ubuntu-11-10-12-04
Rymarx

You can also try this:

And finally, it turns out that I was only using wireless to access the repos, which had been heavily bogged down. Great fix for that: Update Manager > Settings > Ubuntu Software [tab] > Download from… [menu] > Other > Select Best Server. If only there were a script to do that…

Found here…
http://superuser.com/questions/417923/ubuntu-12-04-unusable-wireless

This worked for me. Amazing that this affects the wireless settings…
Baditaflorin

echo “#disable ipv6″ | sudo tee -a /etc/sysctl.conf echo “net.ipv6.conf.all.disable_ipv6 = 1″ | sudo tee -a /etc/sysctl.conf echo “net.ipv6.conf.default.disable_ipv6 = 1″ | sudo tee -a /etc/sysctl.conf echo “net.ipv6.conf.lo.disable_ipv6 = 1″ | sudo tee -a /etc/sysctl.conf
Baditaflorin

bash: /etc/init.d/echo: No such file or directory
badita@badita-X55SV:~$
Type your comment here.
http://twitter.com/FinnAlexis Alexis finn

I went straight to 3, but instead of fiddling with the terminal I just disabled (“ignored”) ipv6 in the network preferences. Seems to have worked great.
hitbylife

Unfortunately, none of these worked for me. Running Ubuntu 12.04 on a HP Pavillion DV9790.
Yusuf Ismail

A shame, I use a D’Link DWA 140 N RangeBooster USB Adapter and both of these do not help with my connection speeds. I have also tried switching off wireless power management, did not help. I have also tried setting IPv6 Settings to Ignore instead of Automatic but this also did not help. I have also installed the proprietary RaLink rt2870 driver and it did not help. I am in a corner with no solution.
Larry

I don’t have ath9k.conf or iwlagn-disable11n.conf in etc/modprobe.d. Wtf? This truly bizarre. I just installed Ubuntu 12.04 on a new system (with an Nvidia GTX 570, it’s possible this is causing all of my many problems). I have Ubuntu 12.04 on my laptop, upgraded from 11.10 and the internet connection is fine. What the hell is going on? Any suggestions?
- aaaa
  
  i had to create the file
- Didi
  
  I think the module is iwlwifi in 12.04
  So
  
  sudo rmmod -f iwlwifi
  sudo modprobe iwlwifi 11n_disable=1
  and if that works then
  gksudo gedit /etc/modprobe.d/iwlwifi.conf
  options iwlwifi 11n_disable=1
  The point is in the first command (sudo rmmod etc) type iwl and then press Tab.. should give you the module.. :)
  - Luca Piccaluga
    
    Thanks a lot !!! It worked for me.
    Luca
    
    ThinkPad Edge 13 with intel 1000 wifi card
    - Tido
      
      Mine too, thanks a lot!
  - Lurch123
    
    Thanks for that. It worked for me.
  - Rodrigue
    
    It works like a charm for me, thanks!
  - Camilo
    
    Hello, my name is Camilo. I followed Didi’s suggestion and now my wireless card functions correctly. My computer is a Sony Vaio VPCCA17FL 14.0″, Core i5 2.30GHz, 4GB, 500GB and
    
    -network
    description: Wireless interface
    product: Centrino Wireless-N 1000
    vendor: Intel Corporation
    physical id: 0
    bus info: pci@0000:02:00.0
    logical name: wlan0
    version: 00
    serial: 8c:a9:82:44:b9:72
    width: 64 bits
    clock: 33MHz
    capabilities: bus_master cap_list ethernet physical wireless
    configuration: broadcast=yes driver=iwlwifi driverversion=3.2.0-25-generic firmware=39.31.5.1 build 35138 ip=192.168.0.12 latency=0 multicast=yes wireless=IEEE 802.11bg
    
    My linux distribution is Ubuntu 12.04 LTS
    
    Thanks
  - Hiewml
    
    Thanks for that!! Didi’s tip worked for me for Mint 13 and solution 2 above worked when I used Mint 12 LXDE. In LXDE I had to create a file in /etc/modprobe.d/ in order to make the fix permanent.
    My Specs:
    
    ThinkPad Edge E420
    Core i5
    Intel Centrino Wireless N 1000
    
    Cheers!
  - dan
    
    Thanks it worked perfect
  - DemoN
    
    Thank you Thank you Thank you So much Didi! It works!!!
- Johnny
  
  I have an Atheros AR9285 wireless chipset, but I don’t see the file ath9k.conf. This is the content of the /etc/modprobe.d/ folder
  alsa-base.conf          blacklist-cups-usblp.conf   blacklist-modem.conf         blacklist-watchdog.conf
  blacklist-ath_pci.conf blacklist-firewire.conf     blacklist-oss.conf           vmwgfx-fbdev.conf
  blacklist.conf          blacklist-framebuffer.conf blacklist-rare-network.conf
Mr. S

I had success with this method for my iwl3945: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/621265/comments/370
Aaaa

i tried alot of things and #1 was what finaly worked for me
Anonym

I followed 2 first steps (just had to create those files under modprobe.d) and now my wireless works like charm. So thanks for the instructions.
- Anonym
  
  forgot to mention that i’m running mint 12 in samsung 9 series 900x3a
http://twitter.com/aceqott Adrián Acedo

Thanks. Resolved my connection with step 2.
Frank van Wensveen

Running Natty on my HP-550 laptop, I have found that there are some issues with power management that are definitely related to the “slow wifi” problem. After a period of inactivity (e.g. the screen blanks) my USB mouse powers down (the light for the optical sensor switches off) and access to the laptop via WiFi becomes dreadfully slow. However, when I hit a key on the keyboard and the laptop “wakes up” (USB mouse light comes on again) WiFi access is restored to its original speed.

That’s when I use the laptop on AC power. When I run it off the battery, I simply cannot use my USB mouse, as it switches off after about three seconds no matter what i do. And guess what – WiFi is then so slow it needs a tow rope.

From where I sit, I see a definite relation between slow WiFi (and other issues) and power management.
Frank van Wensveen

Running Natty on my HP-550 laptop, I have found that there are some issues with power management that are definitely related to the “slow wifi” problem. After a period of inactivity (e.g. the screen blanks) my USB mouse powers down (the light for the optical sensor switches off) and access to the laptop via WiFi becomes dreadfully slow. However, when I hit a key on the keyboard and the laptop “wakes up” (USB mouse light comes on again) WiFi access is restored to its original speed.

That’s when I use the laptop on AC power. When I run it off the battery, I simply cannot use my USB mouse, as it switches off after about three seconds no matter what i do. And guess what – WiFi is then so slow it needs a tow rope.

From where I sit, I see a definite relation between slow WiFi (and other issues) and power management.
omega303

the way I fix it was by changing the router settings from N to G if you have a atheros card go inside of the physical router 192.168.1.1 linksys :-)
- nard
  
  you’re the man!!!! i love you, it works like a charm, you’ve made a new linux user. thank u so much
Dan0804smith

i have an hp dv6qe amd quadcore dual amd graphics windows 7 ubuntu 12.04 dual boot. the first solution did not work. for the second solution “iwlange” was not recognized. so far the third solution has worked so far for me on this machine
Me

None of this worked for me. The file /etc/modprobe.d/ath9k.conf does not exist, nor does the iwlagn kernel module.I haven’t tried to fiddle with IPv6 but AFAIK that’s not active in any form, shape or sizeon my system. I’m not disputing the efficacy of your solution on your system, but itseems to be very hardware dependent.
Landosard

solution 1-2-3 commands not found on terminal.
Pingback: Slow Wireless Connection Using Ubuntu 12.04 and a Lenovo Thinkpad x200 @ Matt Kirwan
Matt

Hi,

Thanks for this. Combining your solution in this blog post (which didn’t work initially) with a comment by ‘Didi’ I managed to get the wireless working at full speed.

It seems that 12.04 uses the iwlwifi module not iwlagn – amending the commands accordingly worked a treat!

I’ve blogged about it here – http://www.mattkirwan.com/linux/slow-wireless-connection-ubuntu-12-04-lenovo-thinkpad-x200/ mainly for myself but hopefully anybody else with the same issue will find it useful.

Kind regards,

Matt
Vincent

On my Aspire One D257, only the second method work perfectly on Ubuntu 11.10. On 12.04, that work too, but you have to replace iwlagn by iwlwifi. That stay a little bit slow ( only 2.1 Mo/sec ) but it’s usable.
Sisternotes

Yeah, the first method worked (i.e. has improved my browsing speed). I installed Ubuntu 12.04 alongside Windows7 from a live USB (mistake, should have done it from the windows installer…) on a Toshiba Satellite P755. Thanks!
Daniel Fairchild

Thank you so much, method 1 worked really well for me, increasing my throughput by a factor of around 10
MikeH

I’m new to Ubuntu. In the first method how do you add
“options ath9k nohwcrypt=”? DO you enter this as a 2nd terminal command? Or add it to the ath9k.conf text document that opens up? Or do you add it to the file name? Completely stuck
Pingback: Fixed slow wifi (n mode) on Lubuntu 11.10 | oPlatek Tech Spec
Polyanskinn

The 2- Second Method works for me. THANKS
Mirko

Method 1 worked for me perfectly. Thank you very much you are a genious! Now my connection is even faster then with windows :)
Webe1959

Thank you….. the first method solved my issues. What a difference one setting can make. Went from waiting five-ten minutes for a page to load to almost immediate.
Pingback: OpenSUSE 12.2, where are you? « Biological Warfare
http://thepeoplescube.com/ Privacy Cube

There is no escaping the orthogonal nature of wifi.

Want to actually-use the bandwidth you have purchased? Stop relying on wifi.
Pingback: ubuntu 12.04 wifi lento solución | samz550a
totem71

for those who worry that the file /etc/modprobe.d/ath9k.conf does not exist – don’t worry. just create the file and put the one line in it per author’s suggestion. completely fixed unbearably slow wifi for me.
Ajit de Silva

The first method worked for me. I will note there was not an extant ath9k.conf so I created one with your line in it. rebooted and worked fine. In the gui I did see the ath9k driver mentioned so I felt this approach seemed relevant to my case but is that always true; that is are all ubuntu wifis using this file? I just moved from 12.04 LTS and before that I had the an earlier version of LTS that came installed on my dell computer.
http://www.facebook.com/valchajmer Verica Alzheimer

First one worked for me on Pangolin. Thanks.
Gerard

It works perfectly with Didi option
Adrien

Thank you so much ! For me the first solution solved the problem on Ubuntu 12.10.
http://www.facebook.com/people/Elliott-Collins/6717591 Elliott Collins

Contrary to the general consensus:
+1 to Solution 1.
abangsan

this work for me.

echo “options ath9k nohwcrypt=1″ >> /etc/modprobe.d/ath9k.conf
Subash

The first one worked for me.. Thanks
matrixtian

Thanks mate from colombia… this “slow-motion” internet had me with a violent headhache!
worshipAllah

wicd saves the day!!

Running Mint 14 and the internet has been desperately slow(!). I disabled Java and pictures and pages were taking minutes to upload. (Not kidding) I searched a lot online only to find that the answers were focusing on this or that, but the problem wasn’t getting fixed. (Except someone said that it stopped when they changed the router).

I tried disabling the IPv6. I tried changing the Firefox setting for attack sites. I tried installing the pnsd (it’s still installed). Nothing. I found the driver for this particular Athenos model and installed the .inf file through the Windows Wireless Drivers tool, it installed. Still nothing. The internet was hardly coughing up text. -___-

Then I read on some forum that Athenos is particularly problematic. That’s what I have for wifi. Also a recommendation to use the program wicd and that it’s better for wifi than the Network Manager that comes with Mint. I installed wicd through the Software Manager (it took a while) and after toggling the Properties and changing it to WPA1/2 (passphrase) and some refreshing… it worked!!! :D

I just opened youtube.com and amazingly everything was downloading as normal. Alhamdulillah. I’m running an Emachines e527. Hope this helps someone. :)
No Interent

This completely broke my Internet now!
Baloc Man

this worked greatwith my on boardwifi card but, I would like to know how to go about applying this to a external USB wifi adaptor.
andras

hi,
After the 1st method no improvement. After the second Ubuntu 12.04 does not start at all. Big headache. No way back. If any idea pls help thanks. András
Christoph Czernohous

This is great, apparently the 3rd method solved my issue with Ubuntu 13.04 on a ThinkPad W530.
Great!
Anon

You do realize that ath9k is a system-specific driver that probably more than half ubuntu users won’t have installed, right? That makes #1 less than uninformative. This post is very annoying because you don’t bother to explain what’s being suggested, you just post a bunch of snippets that won’t even be useful to most users. Perhaps it’s because you don’t understand it either?
http://www.facebook.com/maximiliano.schultheis.5 Maximiliano Schultheis

this was amazing, thank you so much! Tip 3 did the trick!

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