kernel-packages team mailing list archive

[Derek <avastmc@xxxxxxxxx>]

Public bug reported:

With stock 14.04 kernel, wireless gets poor range and intermittently
cuts out / lags. Additionally, at school, I can associate with AP for a
few minutes, then it disconnects and repeatedly fails to reconnect until
rebooting.

Tested kernel 3.19.0-031900 and the range issue went away, completely,
and is acting as it should in a perfect world. (After spring break I'll
report about the school's AP dropping me.)

This is identical to bug 1315221, except I'm reporting 3.13.0-27 and the
issue usually doesn't occur if I'm within 15 feet of the router.
(Actually, it just decided to prove me wrong now.)

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-27-generic 3.13.0-27.50
ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
Uname: Linux 3.13.0-27-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  derek      2602 F.... pulseaudio
 /dev/snd/controlC1:  derek      2602 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Mar 15 23:39:06 2015
HibernationDevice: RESUME=UUID=44d65992-42b9-4e97-b78b-0df642d296b2
InstallationDate: Installed on 2014-04-17 (332 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Dell Inc. XPS13 9333
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic root=UUID=9f068afb-074c-4838-b5be-f3a75fef7999 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-27-generic N/A
 linux-backports-modules-3.13.0-27-generic  N/A
 linux-firmware                             1.127.11
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/19/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0GFTRT
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.:bvrA04:bd03/19/2014:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: XPS13 9333
dmi.sys.vendor: Dell Inc.

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


** Tags: amd64 apport-bug trusty

-- 
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https://bugs.launchpad.net/bugs/1432475

Title:
  Dell XPS 13 9333 with Intel 7260 poor range

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  With stock 14.04 kernel, wireless gets poor range and intermittently
  cuts out / lags. Additionally, at school, I can associate with AP for
  a few minutes, then it disconnects and repeatedly fails to reconnect
  until rebooting.

  Tested kernel 3.19.0-031900 and the range issue went away, completely,
  and is acting as it should in a perfect world. (After spring break
  I'll report about the school's AP dropping me.)

  This is identical to bug 1315221, except I'm reporting 3.13.0-27 and
  the issue usually doesn't occur if I'm within 15 feet of the router.
  (Actually, it just decided to prove me wrong now.)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-27-generic 3.13.0-27.50
  ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
  Uname: Linux 3.13.0-27-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  derek      2602 F.... pulseaudio
   /dev/snd/controlC1:  derek      2602 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Mar 15 23:39:06 2015
  HibernationDevice: RESUME=UUID=44d65992-42b9-4e97-b78b-0df642d296b2
  InstallationDate: Installed on 2014-04-17 (332 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. XPS13 9333
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic root=UUID=9f068afb-074c-4838-b5be-f3a75fef7999 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-27-generic N/A
   linux-backports-modules-3.13.0-27-generic  N/A
   linux-firmware                             1.127.11
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/19/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A04
  dmi.board.name: 0GFTRT
  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.:bvrA04:bd03/19/2014:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: XPS13 9333
  dmi.sys.vendor: Dell Inc.

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