kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

arty, happy holidays, and I'm glad a BIOS update worked out for you.
It's a common phenomenon here on Launchpad that many folks have all
sorts of wonky hardware problems (myself included), and could have saved
themselves going through the hassle of filing a bug report, or time
consuming testing, before checking to see if a simple BIOS update
addresses their issue.

However, as a BIOS update doesn't fit the criteria of the Fix Released
Status as outlined in https://wiki.ubuntu.com/Bugs/Status (as a release
from Ubuntu didn't fix this issue) I'll go ahead and mark this Invalid.
However, if the problem returns, please file a new report (not reopen
this one).

Thank you for your understanding, and please feel free to report any
future bugs you may find.

** Changed in: linux (Ubuntu)
       Status: Fix Released => Invalid

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https://bugs.launchpad.net/bugs/1405298

Title:
  [Dell M4800]: iwlwifi regularly loses connection on Intel 7260

Status in linux package in Ubuntu:
  Invalid

Bug description:
  My problem seems to be different from #1315221 because it exists in
  3.16.0-28-generic (Ubuntu 14.10)

  About every 10 minutes my WiFi disconnects and a line like this appears in syslog:
  Dec 23 21:58:36 work kernel: [ 1762.008441] wlan0: deauthenticated from 10:c6:1f:2c:49:56 (Reason: 7=CLASS3_FRAME_FROM_NONASSOC_STA)

  Workarounds like 11n_disable=1 and `sudo modprobe -r iwlwifi; sudo
  modprobe iwlwifi` don't seem to help.

  What helps is disabling network and enabling it again.

  Another detail is that I don't remember seeing this problem at work
  where they use Cisco routers. I see the problem at home with my
  Speedport 723V Typ A router (a+b+n mode, WPA2).

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-28-generic 3.16.0-28.38
  ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1
  Uname: Linux 3.16.0-28-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  treguben   2595 F.... pulseaudio
   /dev/snd/controlC0:  treguben   2595 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Dec 23 23:41:38 2014
  HibernationDevice: RESUME=UUID=82445dd2-3bcf-42f7-ae59-4fba694e25de
  InstallationDate: Installed on 2014-12-11 (12 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Dell Inc. Precision M4800
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-28-generic.efi.signed root=UUID=9a116abe-59b9-48b8-abe4-5064a191ac51 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-28-generic N/A
   linux-backports-modules-3.16.0-28-generic  N/A
   linux-firmware                             1.138
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/02/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 0T3YTY
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA08:bd05/02/2014:svnDellInc.:pnPrecisionM4800:pvr01:rvnDellInc.:rn0T3YTY:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Precision M4800
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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