kernel-packages team mailing list archive

[Daniel Jared Dominguez <1091372@xxxxxxxxxxxxxxxxxx>]

Michael: Before switching to an unsupported kernel, please use first try
the linux-image-generic-lts-raring kernel. Since you're using an old
BIOS version, please update that as well. Also, if you bought the XPS 13
Developer Edition, note that you are entitled to help from Dell
ProSupport. (I am with Dell but not in ProSupport. Also, note that
ProSupport is different from our normal consumer support. I'm sorry that
you've had bad experiences with us in the past.) It would really help us
with resolving wireless issues if our support people were able to work
directly with you on this issue.

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https://bugs.launchpad.net/bugs/1091372

Title:
  wifi slows and/or drops frequently

Status in Dell Sputnik:
  New
Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I received my Dell Sputnik XPS (12.04) three days ago, and since then
  have experienced very unreliable wifi. I'm seeing significant slow
  downs and drops on several networks.

  Two main issues:

  1) Wifi slows down significantly for 10-60 seconds. It appears no
  packets are getting through, as all browser requests churn, Flash
  games show connection errors, pings don't work, and Software
  Center/Update Manager/apt cannot connect. The connection always
  returns eventually. This is happening once every few hours to many
  times an hour.

  2) The wifi connection disconnects and quickly reconnects. This is
  also happening between once every few hours to several times an hour.

  I cannot spot a pattern or a trigger, but it's happening a lot. It's
  occurred on all three networks I've connected on. Two were standard
  secured home wireless networks, and one is a corporate wireless
  network.

  I have the Sputnik sources that shipped with my Linux installation,
  and added the two PPAs as well.

  I'm happy to provide logging or try some debugging steps -- please let me know how I can help.
  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu15.1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC275 Analog [ALC275 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  eryn       2025 F.... pulseaudio
   /dev/snd/pcmC0D0p:   eryn       2025 F...m pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xd0510000 irq 45'
     Mixer name	: 'Intel PantherPoint HDMI'
     Components	: 'HDA:10ec0275,1028058b,00100008 HDA:80862806,80860101,00100000'
     Controls      : 24
     Simple ctrls  : 11
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-precise-amd64-20120703-2
  DistroRelease: Ubuntu 12.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=332825d2-867b-4b4c-be56-6fbfad4e3404
  InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120703-15:08
  MachineType: Dell Inc. Dell System XPS L322X
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-35-generic root=UUID=f3a9ba1b-bad1-47d0-996f-54d8b5204478 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-35.55+kamal11~DellXPS-generic 3.2.34
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-35-generic N/A
   linux-backports-modules-3.2.0-35-generic  N/A
   linux-firmware                            1.79.1
  StagingDrivers: mei
  Tags:  precise running-unity staging
  Uname: Linux 3.2.0-35-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  WifiSyslog:

  dmi.bios.date: 09/13/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A02
  dmi.board.name: 0CK86J
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA02:bd09/13/2012:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0CK86J:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L322X
  dmi.sys.vendor: Dell Inc.

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