8086:422c iwlagn module in 11.10 beta2

Bug #871254 reported by Cyril Buquet on 2011-10-09
80
This bug affects 16 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Undecided
Unassigned

Bug Description

Wireless network error (slow, network stop, ...) with iwlagn module on intel wireless 6200
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 35)

Same workaround solution than previous version :
=======================================
1) Create /etc/modprobe.d/intel_11n_disable.conf with :
options iwlagn 11n_disable=1

2) sudo update-initramfs -u

3) reboot or sudo modprobe -r iwlagn && sudo modprobe iwlagn

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-12-generic 3.0.0-12.20
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: cyril 1702 F.... pulseaudio
 /dev/snd/controlC0: cyril 1702 F.... pulseaudio
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xe9660000 irq 49'
   Mixer name : 'IDT 92HD81B1C5'
   Components : 'HDA:111d76d5,1028040b,00100104'
   Controls : 15
   Simple ctrls : 10
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xe3080000 irq 17'
   Mixer name : 'Nvidia GPU 0b HDMI/DP'
   Components : 'HDA:10de000b,10de0101,00100200'
   Controls : 16
   Simple ctrls : 4
Date: Sun Oct 9 13:41:29 2011
HibernationDevice: RESUME=UUID=965ea582-8c45-4193-936f-8c84a38a2692
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110922)
MachineType: Dell Inc. Latitude E6510
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=953bd213-a7ce-487e-a5a4-90d046eef3ae ro quiet splash vt.handoff=7
PulseSinks:
 Error: command ['pacmd', 'list-sinks'] failed with exit code 1: Home directory /home/cyril not ours.
 No PulseAudio daemon running, or not running as session daemon.
PulseSources:
 Error: command ['pacmd', 'list-sources'] failed with exit code 1: Home directory /home/cyril not ours.
 No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.0.0-12-generic N/A
 linux-backports-modules-3.0.0-12-generic N/A
 linux-firmware 1.60
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/26/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.asset.tag: OSIATIS-CB
dmi.board.name: 0N5KHN
dmi.board.vendor: Dell Inc.
dmi.board.version: A03
dmi.chassis.asset.tag: OSIATIS-CB
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA09:bd05/26/2011:svnDellInc.:pnLatitudeE6510:pvr0001:rvnDellInc.:rn0N5KHN:rvrA03:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6510
dmi.product.version: 0001
dmi.sys.vendor: Dell Inc.

Cyril Buquet (cyril11) wrote :
Brad Figg (brad-figg) on 2011-10-09
Changed in linux (Ubuntu):
status: New → Confirmed
Paulo J. S. Silva (pjssilva) wrote :

I also can confirm this bug, I have the same wireless card. What is most interesting in my case is that the bug in my wi-fi card exposes a bug in my router (TP-Link TL-WR1043ND with DD-WRT firware) and crashes the router. I have to reboot the router after some minutes of 11n use. I may not be alone as the following thread in ubuntuforums suggests:

 http://ubuntuforums.org/showthread.php?p=11326454

So the bug might be very dangerous, with Ubuntu laptops bringing networks down.

Joseph Salisbury (jsalisbury) wrote :

Would it be possible for you to test the latest upstream kernel? 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.

tags: added: needs-upstream-testing
Cyril Buquet (cyril11) wrote :

Tested with this kernel (amd64) :
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.1-rc9-oneiric/
(linux-image-3.1.0-0301rc9-generic_3.1.0-0301rc9.201110050905_amd64.deb + headers)

Same problem.

tags: removed: needs-upstream-testing
Changed in linux (Ubuntu):
status: Confirmed → Triaged
Jorge Gustavo (jgr) wrote :

Same here. I just upgrade to final 11.10 release, and the wireless is really slow.

$ uname -a
Linux cagliari 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

$ lspci | grep -i network
02:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 35)

$ sudo ethtool -i wlan2
driver: iwlagn
version: 3.0.0-12-generic
firmware-version: 9.221.4.1 build 25532
bus-info: 0000:02:00.0

The wired connection is ok.
Using an external USB Linksys WUSB100 v2 RangePlus Wireless Network Adapter [Ralink RT3070] is also ok.

The workaround solves this issue (but disabling N support).

Eric G. (eric-baldfury) wrote :

Mainline Kernel 3.1.0-0301rc9.201110050905 appears to have resolved the issue for me.

Paulo J. S. Silva (pjssilva) wrote :

Same here, I have upgrade my laptop to 11.10 and still had problems. After that I upgraded to 3.1.0-0301rc9-generic kernel and the problem seems fixed.

jamespcole (jamespcole) wrote :

Same here but with a slightly different revision of the Intel 6200(rev 3e)

uname -a
Linux user0-lemur 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

lspci | grep -i network
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 3e)

tags: added: kernel-fixed-upstream
ybdjkfd (ybdjkfd) wrote :

DD-WRT relates in addition to the RedHat link above: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=140461&postdays=0&postorder=asc

James Kingdon (james-kingdon) wrote :

Hi,

Could someone explain how to install 3.1.0-0301rc9-generic onto 11.10 (or point me at instructions). I tried adding the 'precise' repository and installing linux-image, but the result failed to fully boot (no-GUI).

Thanks,
James.

tags: added: kernel-fixed-upstream-v3.1-rc9
removed: kernel-fixed-upstream
Joseph Salisbury (jsalisbury) wrote :

Hi James,

You can download the debs for your specific arch from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.1-rc9-oneiric/

Then install them with dpkg, for example to install 32 bit kernel:

sudo dpkg -i linux-image-3.1.0-0301rc9-generic_3.1.0-0301rc9.201110181311_i386.deb

km (km-mathcs) wrote :

Will there be a patch for the 3.0 kernel that comes with 11.10?

summary: - iwlagn module in 11.10 beta2
+ 8086:422c iwlagn module in 11.10 beta2
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