Have you tried to upgrade your bios?
Latest version, for your notebook, is A04, as you can see on Dell
support site, while in your log i see that you have A00 version.
For my laptop, Vostro 1320, bios upgrade worked fine.

Federico

On Fri, Oct 30, 2009 at 10:28 AM, Gaute <email address hidden> wrote:
> Sorry guys, but I seem to be having this exact problem in the released
> Karmic.
>
> Dell vostro 1520.
>
> Starting with hw switch off works fine.
>
> Exactly same crash of smbios-wireless-ctl  as in comment #56
> ( posted as Bug #464449 )
>
> Perhaps just need to blacklist vostro 1520 ?
> Haven't looked into how that works yet.
>
> --
> [Dell Latitude D430, iwl3945] Wireless can't be activated after disabling kill switch
> https://bugs.launchpad.net/bugs/430809
> You received this bug notification because you are a direct subscriber
> of a duplicate bug.
>
> Status in “linux” package in Ubuntu: Fix Released
> Status in linux in Ubuntu Karmic: Fix Released
>
> Bug description:
> It seems that this problem keeps reappearing. This is exactly the same as bug 193970, but opening a new bug since the first one is very big and noisy already.
>
> Summary: If I boot with the kill switch off (i. e. wifi enabled), the kill switch works just fine. But if I boot with kill switch on (i. e. wifi disabled), changing the kill switch doesn't do anything and network-manager keeps insisting that the network is disabled.
>
> ProblemType: Bug
> Architecture: i386
> AudioDevicesInUse:
>  USER        PID ACCESS COMMAND
>  /dev/snd/controlC1:  martin     2634 F.... pulseaudio
>  /dev/snd/controlC0:  martin     2634 F.... pulseaudio
> CRDA: Error: [Errno 2] No such file or directory
> Card0.Amixer.info:
>  Card hw:0 'Intel'/'HDA Intel at 0xefebc000 irq 21'
>   Mixer name   : 'SigmaTel STAC9200'
>   Components   : 'HDA:83847690,10280201,00102201'
>   Controls      : 7
>   Simple ctrls  : 5
> Card1.Amixer.info:
>  Card hw:1 'Headset'/'Logitech Logitech USB Headset at usb-0000:00:1d.7-8.3.4, full speed'
>   Mixer name   : 'USB Mixer'
>   Components   : 'USB046d:0a01'
>   Controls      : 6
>   Simple ctrls  : 2
> CheckboxSubmission: 526c13623eeda7bcc3936c7be57b2d29
> CheckboxSystem: c8e8edcc4d15e0d55af04774be77e330
> Date: Wed Sep 16 17:49:06 2009
> DistroRelease: Ubuntu 9.10
> HibernationDevice: RESUME=UUID=5df2daed-eb83-4d60-a87c-9b71ff6b703f
> MachineType: Dell Inc. Latitude D430
> Package: linux-image-2.6.31-10-generic 2.6.31-10.32lp429241apw2
> ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-10-generic root=UUID=e43b0104-23d3-4bb8-9710-effa762ca2f6 ro quiet splash
> ProcEnviron:
>  PATH=(custom, user)
>  LANG=de_DE.UTF-8
>  SHELL=/bin/bash
> ProcVersionSignature: Ubuntu 2.6.31-10.32lp429241apw2-generic
> RelatedPackageVersions:
>  linux-backports-modules-2.6.31-10-generic N/A
>  linux-firmware 1.18
> SourcePackage: linux
> Uname: Linux 2.6.31-10-generic i686
> dmi.bios.date: 05/21/2007
> dmi.bios.vendor: Dell Inc.
> dmi.bios.version: A00
> dmi.board.name: 0HU754
> dmi.board.vendor: Dell Inc.
> dmi.chassis.type: 8
> dmi.chassis.vendor: Dell Inc.
> dmi.modalias: dmi:bvnDellInc.:bvrA00:bd05/21/2007:svnDellInc.:pnLatitudeD430:pvr:rvnDellInc.:rn0HU754:rvr:cvnDellInc.:ct8:cvr:
> dmi.product.name: Latitude D430
> dmi.sys.vendor: Dell Inc.
>