[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1167019

Title:
  wifi packet loss on intel Centrino Wireless-N 1000

Status in linux package in Ubuntu:
  Expired
Status in network-manager package in Ubuntu:
  Invalid

Bug description:
  Sat on a wifi network with another non-Linux machine nearby on the
  same access point. The Linux machine (Ubuntu 13.04 up to date) drops
  off the network repeatedly. Network manager shows a constant
  connection. mtr shows packet loss.

                               My traceroute  [v0.82]
  deep-thought (0.0.0.0)                                 Tue Apr  9 22:27:30 
2013
  Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                         Packets               Pings
   Host                                Loss%   Snt   Last   Avg  Best  Wrst 
StDev
   1. 192.168.1.1                      41.5%   316    7.1   7.2   4.8  23.5   
1.7
   2. cpc8-farn5-2-0-gw.6-2.cable.virg 41.3%   315   59.9  32.5  13.0 302.8  
34.4
   3. glfd-core-2b-ae3-4033.network.vi 41.3%   315   18.0  26.2  12.9 146.1  
20.3
   4. glfd-bb-1b-ae6-0.network.virginm 41.3%   315   18.0  22.3  13.0 133.9  
16.0
   5. glfd-bb-1a-ae0-0.network.virginm 41.3%   315   24.3  24.4  11.8 131.7  
18.5
   6. nrth-bb-1b-ae4-0.network.virginm 41.6%   315   18.3  28.8  15.7 177.1  
21.2
   7. tele-ic-4-ae0-0.network.virginme 41.6%   315   27.7  29.2  17.2 146.9  
18.5
   8. linx-gw-a.jump.net.uk            41.6%   315   21.0  27.6  18.4 128.6  
15.7
   9. dunkel.bitfolk.com               41.3%   315   20.9  25.9  18.4 132.7  
13.1
  10. popey.com                        41.6%   315   22.6  27.2  17.4 149.9  
17.3

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-17-generic 3.8.0-17.27
  ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
  Uname: Linux 3.8.0-17-generic x86_64
  ApportVersion: 2.9.2-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  alan       2823 F.... pulseaudio
  Date: Tue Apr  9 22:22:16 2013
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=4de844e6-b3a9-4309-bc26-739bea6b4146
  InstallationDate: Installed on 2012-06-29 (284 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 
(20120425)
  MachineType: LENOVO 4287CTO
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-17-generic 
root=UUID=c8438547-b9fb-46af-8012-4663c77c70e7 ro quiet splash 
i915.semaphores=0 vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-17-generic N/A
   linux-backports-modules-3.8.0-17-generic  N/A
   linux-firmware                            1.104
  SourcePackage: linux
  UpgradeStatus: Upgraded to raring on 2013-01-18 (81 days ago)
  dmi.bios.date: 12/05/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET67WW (1.37 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4287CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvr8DET67WW(1.37):bd12/05/2012:svnLENOVO:pn4287CTO:pvrThinkPadX220:rvnLENOVO:rn4287CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4287CTO
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO

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