Public bug reported:

After upgrading to 2.6.31-17, WLAN connections via the iwlagn chipset/driver 
don't work anymore. The wlan card is still detected, but no APs are detected 
anymore.
It's not a coincidental hardware problem, because it still works when booting 
into Windows. Trying to boot into 2.6.31-16 from the grub menu still doesn't 
restore the functionality though.

ProblemType: Bug
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  jan        3833 F.... knotify4
                      jan        3854 F.... kmix
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf6adc000 irq 21'
   Mixer name   : 'Intel G45 DEVCTG'
   Components   : 'HDA:111d76b2,1028024f,00100302 
HDA:80862802,80860101,00100000'
   Controls      : 33
   Simple ctrls  : 20
Date: Mon Dec 14 19:14:51 2009
DistroRelease: Ubuntu 9.10
HibernationDevice: RESUME=UUID=793b7c91-6a66-4c1b-a63d-44ba490663fb
MachineType: Dell Inc. Latitude E6500
Package: linux-image-2.6.31-17-generic 2.6.31-17.54
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: root=UUID=bf4ea0cc-a14c-49f1-8f2e-dc35f6c30a41 ro quiet splash
ProcEnviron:
 LANGUAGE=
 PATH=(custom, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-17-generic N/A
 linux-firmware 1.26
SourcePackage: linux
Uname: Linux 2.6.31-17-generic x86_64
WpaSupplicantLog:
 
dmi.bios.date: 12/18/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 0NY667
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvrA11:bd12/18/2008:svnDellInc.:pnLatitudeE6500:pvr:rvnDellInc.:rn0NY667:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6500
dmi.sys.vendor: Dell Inc.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

-- 
iwlagn WLAN no longer works after upgrade to 2.6.31-17
https://bugs.launchpad.net/bugs/496640
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