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[jay bendon <jaybocc2@xxxxxxxxx>]

I am still experiencing this on a lenovo T400

3.2.0-37-generic #58-Ubuntu SMP Thu Jan 24 15:28:10 UTC 2013 x86_64
x86_64 x86_64 GNU/Linux

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https://bugs.launchpad.net/bugs/997883

Title:
  Intel WiFi Link 5300 doesn't work with kernel 3.2.0.24

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  A couple of days ago, I upgraded to not only Ubuntu 12.04 LTS, but also from kernel 3.0.0.17 to 3.2.0.24.   This worked correctly at my friends house just fine.  However, I flew home and now my computer cannot ping or connect to the internet at all.  (Both of these were wireless networks).  I switched to my windows partition of my computer, and it connected to the internet no issues. 
  So the problem was isolated to ubuntu.

  My computer is a Dell Studio XPS which is about 3 years old now.  The
  WiFi adapter is an Intel WiFi Link 5300. This will play into the game
  later.

  After a couple of hours searching around and talking to people, a few
  things were unearthed.  First, that a dhcp lease was obtained from the
  router.  Other than that, the computer could not communicate with
  anything on the network (no ping even). All of the /etc/hosts,
  /etc/hostname, and /etc/network/interfaces stuff was in order. There
  was nothing abnormal in any of the logs that were checked.

  With the help of some googling, someone pointed out that it sounded remarkably like what was happening in this thread.  DHCP lease acquired, no transmission after that.  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/420678
  This was for the Intel Wifi Link 5300.  That is my adapter.  It must be conflicting between the G and N standards from the Linksys WRT310N router here at home, and it must not have had that conflict at the previous house I was at.  I booted into a previous version of the kernel (3.0.0.17) and there was no issue (that's actually how I'm typing this right now).  I performed a "sudo apt-get --reinstall install linux-image-3.2.0-24-generic" to make sure the kernel was correct, and the error repeated after a restart.  Once again, I booted into the previous version of the kernel, and it worked correctly.

  If there is any differing conclusion about what happened, feel free to
  let me know!

  Just to verify the version claim, my "lsb_release -rd" output is:

  Description:	Ubuntu 12.04 LTS
  Release:	12.04

  Here is the "lspci -vvxxx" result for the network adapter:

  04:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300
  	Subsystem: Intel Corporation Device 1121
  	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
  	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
  	Latency: 0, Cache Line Size: 64 bytes
  	Interrupt: pin A routed to IRQ 47
  	Region 0: Memory at f8000000 (64-bit, non-prefetchable) [size=8K]
  	Capabilities: <access denied>
  	Kernel driver in use: iwlagn
  	Kernel modules: iwlagn
  00: 86 80 35 42 06 01 10 00 00 00 80 02 10 00 00 00
  10: 04 00 00 f8 00 00 00 00 00 00 00 00 00 00 00 00
  20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 21 11
  30: 00 00 00 00 c8 00 00 00 00 00 00 00 0a 01 00 00
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu7
  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:  adam       1833 F.... pulseaudio
   /dev/snd/controlC0:  adam       1833 F.... pulseaudio
   /dev/snd/pcmC0D0p:   adam       1833 F...m pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xfc400000 irq 47'
     Mixer name	: 'IDT 92HD73C1X5'
     Components	: 'HDA:111d7675,10280272,00100103'
     Controls      : 16
     Simple ctrls  : 10
  Card1.Amixer.info:
   Card hw:1 'HDMI'/'HDA ATI HDMI at 0xcfeec000 irq 48'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,00aa0100,00100100'
     Controls      : 4
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  DistroRelease: Ubuntu 12.04
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  MachineType: Dell Inc. Studio XPS 1640
  NonfreeKernelModules: fglrx
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-17-generic root=UUID=F4FE6024FE5FDE04 loop=/ubuntu/disks/root.disk ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  RelatedPackageVersions:
   linux-restricted-modules-3.0.0-17-generic N/A
   linux-backports-modules-3.0.0-17-generic  N/A
   linux-firmware                            1.79
  SourcePackage: linux
  Tags:  precise precise
  Uname: Linux 3.0.0-17-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-05-06 (4 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 03/29/2010
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A14
  dmi.board.name: 0Y536R
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A14
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A14
  dmi.modalias: dmi:bvnDellInc.:bvrA14:bd03/29/2010:svnDellInc.:pnStudioXPS1640:pvrA143:rvnDellInc.:rn0Y536R:rvrA14:cvnDellInc.:ct8:cvrA14:
  dmi.product.name: Studio XPS 1640
  dmi.product.version: A143
  dmi.sys.vendor: Dell Inc.

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