cant connect to wifi N netowrks

[Tim Lunn]

Binary package hint: wpasupplicant

I am no longer able to connect to wifi N networks since updates in the last couple of days. Switching the router back into G mode and I can connect fine.

Running Maverick, installed about 1 week ago and completely up to date. Wifi was working fine up until about about 1-2 days ago.

below are the messages from the syslog.

Oct 3 09:11:48 arapiles2 kernel: [ 737.576991] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
Oct 3 09:11:48 arapiles2 kernel: [ 737.579377] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x411 status=18 aid=0)
Oct 3 09:11:48 arapiles2 kernel: [ 737.579386] wlan0:xx:xx:xx:xx:xx:xx denied association (code=18)
Oct 3 09:11:48 arapiles2 kernel: [ 737.579419] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (reason=3)
Oct 3 09:11:58 arapiles2 wpa_supplicant[1212]: Authentication with xx:xx:xx:xx:xx:xx timed out.
Oct 3 09:11:58 arapiles2 NetworkManager[1006]: <info> (wlan0): supplicant connection state: associating -> disconnected
Oct 3 09:11:58 arapiles2 NetworkManager[1006]: <info> (wlan0): supplicant connection state: disconnected -> scanning

Network controller: Intel Corporation PRO/Wireless 5100 AGN

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: wpasupplicant 0.6.10-2
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
Architecture: amd64
Date: Sun Oct 3 09:16:28 2010
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027.1)
ProcEnviron:
 LANG=en_AU.utf8
 SHELL=/bin/bash
SourcePackage: wpasupplicant

[Tim Lunn (darkxst)]

This is actually a kernel bug in linux-image-2.6.35-22-generic

Wifi N works fine, when I boot using older 2.6.32 kernel

[Rodrigo Delgado (rodrigo-delgado)]

I am also affected, I am running Maverick

Oct 2 19:18:03 v3400 kernel: [ 1124.553141] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
Oct 2 19:18:03 v3400 kernel: [ 1124.555662] wlan0: authenticated
Oct 2 19:18:03 v3400 kernel: [ 1124.555704] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
Oct 2 19:18:03 v3400 kernel: [ 1124.571386] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x431 status=10 aid=257)
Oct 2 19:18:03 v3400 kernel: [ 1124.571393] wlan0: xx:xx:xx:xx:xx:xx denied association (code=10)
Oct 2 19:18:03 v3400 kernel: [ 1124.571417] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (reason=3)
Oct 2 19:18:13 v3400 wpa_supplicant[1376]: Authentication with xx:xx:xx:xx:xx:xx timed out.
Oct 2 19:18:13 v3400 NetworkManager[1119]: <info> (wlan0): supplicant connection state: associating -> disconnected
Oct 2 19:18:13 v3400 NetworkManager[1119]: <info> (wlan0): supplicant connection state: disconnected -> scanning
Oct 2 19:18:16 v3400 wpa_supplicant[1376]: Trying to associate with xx:xx:xx:xx:xx:xx (SSID='HomeNetwork' freq=2412 MHz)
Oct 2 19:18:16 v3400 NetworkManager[1119]: <info> (wlan0): supplicant connection state: scanning -> associating
Oct 2 19:18:16 v3400 kernel: [ 1137.573073] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
Oct 2 19:18:16 v3400 kernel: [ 1137.575784] wlan0: authenticated
Oct 2 19:18:16 v3400 kernel: [ 1137.575834] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
Oct 2 19:18:16 v3400 kernel: [ 1137.591483] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x431 status=10 aid=257)
Oct 2 19:18:16 v3400 kernel: [ 1137.591489] wlan0: xx:xx:xx:xx:xx:xx denied association (code=10)
Oct 2 19:18:16 v3400 kernel: [ 1137.591509] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (reason=3)
Oct 2 19:18:26 v3400 wpa_supplicant[1376]: Authentication with xx:xx:xx:xx:xx:xx timed out.
Oct 2 19:18:26 v3400 NetworkManager[1119]: <info> (wlan0): supplicant connection state: associating -> disconnected
Oct 2 19:18:26 v3400 NetworkManager[1119]: <info> (wlan0): supplicant connection state: disconnected -> scanning
Oct 2 19:18:29 v3400 wpa_supplicant[1376]: Trying to associate with xx:xx:xx:xx:xx:xx (SSID='HomeNetwork' freq=2412 MHz)
Oct 2 19:18:29 v3400 NetworkManager[1119]: <info> (wlan0): supplicant connection state: scanning -> associating

Network controller: Intel Corporation PRO/Wireless 5100 AGN

Uname: 2.6.35-22-generic-pae i686

Wireless was working OK until I had updated the distro.

[Mikk Romulus (mikk-romulus-deactivatedaccount)]

I have the same problem with intel 4965 chipset, it appeared within last couple of days. Really annoying, as i cant change the router to G mode and have to use a wired connection on my laptop now

[Kirill Afonshin (pmvd)]

I have the same problem with intel 4965 chipset, it appeared within last couple of days.
Everything works fine in 10.04. It looks like a regression.

[Kirill Afonshin (pmvd)]

The problem persists with wpasupplicant v0.7.3 from ppa.

[Jordi R (jordi1983)]

I'm also experiencing the same error.

I can use wifi G secured with WPA2 Personal, so I don't know if this has nothing to do with wpasupplicant, unless the algorithm to authenticate the N and the G networks for WPA2 Personal is different.

For me, updating wpasupplicant didn't work. I also updated the kernel version to 2.6.36rc7, no luck.

Now I'm using 2.6.36rc7 with wpasupplicant 0.7.2 and NetworkManager 0.8.1+git.20100810t184654.ab580f4-0ubuntu2.

It is very impressive to see this kind of bugs at this late stage in the release cycle. For sure, the final release will have this bug, bothering a lot of users.

You developers think about it.

[Tim Lunn (darkxst)]

looks like it has been disabled on purpose to fix another bug perhaps?

/etc/modprobe.d/intel-5300-iwlagn-disable11n.conf

Some talk about things here suggest there is a intel firmware issue on
2.6.35 causing instability.
https://bugs.archlinux.org/task/20542

On 09/10/10 09:52, Jordi R wrote:
> I'm also experiencing the same error.
>
> I can use wifi G secured with WPA2 Personal, so I don't know if this has
> nothing to do with wpasupplicant, unless the algorithm to authenticate
> the N and the G networks for WPA2 Personal is different.
>
> For me, updating wpasupplicant didn't work. I also updated the kernel
> version to 2.6.36rc7, no luck.
>
> Now I'm using 2.6.36rc7 with wpasupplicant 0.7.2 and NetworkManager
> 0.8.1+git.20100810t184654.ab580f4-0ubuntu2.
>
> It is very impressive to see this kind of bugs at this late stage in the
> release cycle. For sure, the final release will have this bug, bothering
> a lot of users.
>
> You developers think about it.
>
>

[Tim Lunn (darkxst)]

just to confirm that after editing that file in my last post and set to
0. can connect to wifi N again.

Now lets see if its stable ;)

On 09/10/10 09:52, Jordi R wrote:
> I'm also experiencing the same error.
>
> I can use wifi G secured with WPA2 Personal, so I don't know if this has
> nothing to do with wpasupplicant, unless the algorithm to authenticate
> the N and the G networks for WPA2 Personal is different.
>
> For me, updating wpasupplicant didn't work. I also updated the kernel
> version to 2.6.36rc7, no luck.
>
> Now I'm using 2.6.36rc7 with wpasupplicant 0.7.2 and NetworkManager
> 0.8.1+git.20100810t184654.ab580f4-0ubuntu2.
>
> It is very impressive to see this kind of bugs at this late stage in the
> release cycle. For sure, the final release will have this bug, bothering
> a lot of users.
>
> You developers think about it.
>
>

[Tim Lunn (darkxst)]

Definitely appears to be some underlying issues with the current iwlagn drivers and/or firmware.

While I haven't had any drop-outs, performance is miserable at ~5mbps.

[Rodrigo Delgado (rodrigo-delgado)]

In my case, after editing intel-5300-iwlagn-disable11n.conf the system performs without problems and performance is OK. I have an Intel 5100 WLAN Card.

[Jeremy Foshee (jeremyfoshee)]

Hi Tim,

If you could also please test the latest upstream kernel available that would be great. It will allow additional upstream developers to examine the issue. Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Once you've tested the upstream kernel, please remove the 'needs-upstream-testing' tag. This can be done by clicking on the yellow pencil icon next to the tag located at the bottom of the bug description and deleting the 'needs-upstream-testing' text. Please let us know your results.

Thanks in advance.

    [This is an automated message. Apologies if it has reached you inappropriately; please just reply to this message indicating so.]

[Filiprino (filiprino)]

Hello, I'm having this issue with an Atheros AR9285 card on a 1005PE netbook. My dmesg output:

[ 328.036772] cfg80211: Found new beacon on frequency: 2472 MHz (Ch 13) on phy0
[ 328.244226] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[ 328.246682] wlan0: authenticated
[ 328.246758] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[ 328.250511] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x411 status=18 aid=0)
[ 328.250530] wlan0: xx:xx:xx:xx:xx:xx denied association (code=18)
[ 328.250590] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (reason=3)
[ 339.331095] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[ 339.337099] wlan0: authenticated
[ 339.337183] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[ 339.339881] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x411 status=18 aid=0)
[ 339.339901] wlan0: xx:xx:xx:xx:xx:xx denied association (code=18)
[ 339.346731] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (reason=3)
[ 350.422330] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[ 350.425249] wlan0: authenticated
[ 350.425331] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[ 350.428861] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x411 status=18 aid=0)
[ 350.428881] wlan0: xx:xx:xx:xx:xx:xx denied association (code=18)
[ 350.435681] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (reason=3)
[ 361.493508] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[ 361.501101] wlan0: authenticated
[ 361.501186] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[ 361.503820] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x411 status=18 aid=0)
[ 361.503840] wlan0: xx:xx:xx:xx:xx:xx denied association (code=18)
[ 361.503895] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (reason=3)
[ 372.598971] wlan0: authenticate with xx:xx:xx:xx:xx:xx (try 1)
[ 372.605825] wlan0: authenticated
[ 372.617102] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1)
[ 372.639790] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x411 status=18 aid=0)
[ 372.639810] wlan0: xx:xx:xx:xx:xx:xx denied association (code=18)
[ 372.639869] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (reason=3)

It also happens with an Intel Wifi Link 4965abgn, both on Linux and Windows, so maybe the router's firmware is also based on Kernel Linux 2.6.35?

[Filiprino (filiprino)]

Hi,
I have updated to latest kernel (uname -a => Linux eeepc 2.6.36-020636-generic #201010210905 SMP Thu Oct 21 10:17:53 UTC 2010 i686 GNU/Linux) and it still can't connect to my wifi N network.

[Tim Lunn (darkxst)]

I tested with the lastest .35 mainline kernel and it seemed to be ok, a little slow, but definitely usable.

Now just switched back to the normal kernel and it still seems ok.

Getting around 70mbps, although used to get around 100mbps previously on Lucid.

[Tim Lunn (darkxst)]

Filiprino see comment #8 above.

Atleast for the intel wifi card, N has been disabled by default.

[Filiprino (filiprino)]

Hi Tim,

But it also happens with the Atheros on my netbook, and the Intel wifi card has the same issue on Windows (router denies association) :S

[Filiprino (filiprino)]

Hi all,
I finally could connect in Wireless N mode. I had to activate Wi-Fi Multimedia on the router, functionallity which is required for 802.11n.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

[Pieter (diepes)]

Stardate 2012 ...

Changed my AP to N only.
Win7 laptop still connected but not my Ubuntu 12.4 Lenovo laptop with
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 (rev 34)

After searching a bit i found this thread, and the note from Filiprino above sorted me out.
Had to switch "WMM(Wi-Fi Multimedia):" from off to auto. Leaving the ap on N only.

Suddenly ubuntu connected using WPA-PSK without any problems.
Even solved the problem for my Android ICS phone's wifi.