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[Bug 1277598] Re: 8086:4227 [Lenovo ThinkPad T60] WLAN connection break under load (iwl3945)

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>
Date: Wed, 05 Mar 2014 10:22:21 -0000
Reply-to: Bug 1277598 <1277598@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

TxSx, could you please test the latest mainline kernel via
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.14-rc5-trusty/ and
advise if this is reproducible?

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

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Title:
  8086:4227 [Lenovo ThinkPad T60] WLAN connection break under load
  (iwl3945)

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  How to reproduce: Watch a YouTube with Opera full screen, then jump
  back and forth in the video and observe connection break.

  Tried with kernels:
  3.13.1-031301.201401291035
  3.8.0-35.50~precise1
  3.8.0.35.35
  Attachment is from the latest kernel.

  WORKAROUND: radeon.modeset=0

  WORKAROUND: Don't watch Flash videos.

  ---
  ApportVersion: 2.13.2-0ubuntu5
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     2047 F.... pulseaudio
   /dev/snd/pcmC0D0p:   ubuntu     2047 F...m pulseaudio
  CasperVersion: 1.337
  DistroRelease: Ubuntu 14.04
  LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha i386 (20140224)
  MachineType: LENOVO 2008YZE
  Package: linux (not installed)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  ProcVersionSignature: Ubuntu 3.13.0-11.31-generic 3.13.3
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-11-generic N/A
   linux-backports-modules-3.13.0-11-generic  N/A
   linux-firmware                             1.125
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
  Tags:  trusty
  Uname: Linux 3.13.0-11-generic i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

  _MarkForUpload: True
  dmi.bios.date: 09/19/2007
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 79ETD9WW (2.19 )
  dmi.board.name: 2008YZE
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: L3PN735
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr79ETD9WW(2.19):bd09/19/2007:svnLENOVO:pn2008YZE:pvrThinkPadT60:rvnLENOVO:rn2008YZE:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2008YZE
  dmi.product.version: ThinkPad T60
  dmi.sys.vendor: LENOVO

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