8086:422c iwlagn module in 11.10 beta2
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Triaged
|
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.
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-
ProcVersionSign
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelMo
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/
/dev/snd/
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,
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,
Controls : 16
Simple ctrls : 4
Date: Sun Oct 9 13:41:29 2011
HibernationDevice: RESUME=
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=
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.
RelatedPackageV
linux-
linux-
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.
dmi.board.name: 0N5KHN
dmi.board.vendor: Dell Inc.
dmi.board.version: A03
dmi.chassis.
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.name: Latitude E6510
dmi.product.
dmi.sys.vendor: Dell Inc.
Changed in linux (Ubuntu): | |
status: | New → Confirmed |
Changed in linux (Ubuntu): | |
status: | Confirmed → Triaged |
tags: | added: kernel-fixed-upstream |
tags: |
added: kernel-fixed-upstream-v3.1-rc9 removed: kernel-fixed-upstream |
summary: |
- iwlagn module in 11.10 beta2 + 8086:422c iwlagn module in 11.10 beta2 |
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.