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[Andrei Borzenkov <1518259@xxxxxxxxxxxxxxxxxx>]

apport information

** Attachment added: "ProcEnviron.txt"
   https://bugs.launchpad.net/bugs/1518259/+attachment/4522569/+files/ProcEnviron.txt

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https://bugs.launchpad.net/bugs/1518259

Title:
  Wireless is disabled by rfkill after suspend with linux-image-generic-
  lts-wily

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I am running Ubunutu 14.04 on Dell Latitude E5450; Ubuntu came
  preinstalled on this notebook. After installing kernel linux-
  image-4.2.0-18-generic wireless is not available after resuming from
  suspend to RAM; in logs I see

  Nov 20 13:04:46 bor-Latitude-E5450 NetworkManager[1389]: <info> WiFi
  now disabled by radio killswitch

  This problem did not exist with original kernel linux-image-3.13.0-xx
  from 14.04 and updates.

  Probably related - original kernel is using iwlwifi driver

  Package: iwlwifi-3.16.2-dkms
  Status: install ok installed
  Priority: optional
  Section: misc
  Installed-Size: 65,6 MB
  Maintainer: Ubuntu Developers <ubuntu-devel-discuss@xxxxxxxxxxxxxxxx>
  Version: 1.0
  Depends: dkms (>= 1.95)
  Original-Maintainer: Dynamic Kernel Modules Support Team <pkg-dkms-maint@xxxxxxxxxxxxxxxxxxxxxxx>

  This driver does not compile for kernel 4.2.

  bor@bor-Latitude-E5450:~$ lsb_release -rd
  Description:	Ubuntu 14.04.3 LTS
  Release:	14.04
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  bor        1910 F.... pulseaudio
   /dev/snd/pcmC1D0p:   bor        1910 F...m pulseaudio
   /dev/snd/controlC1:  bor        1910 F.... pulseaudio
  CurrentDesktop: Unity
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-trusty-amd64-20140620-0
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=df2037e2-aa56-4079-9f35-49d94d595d93
  InstallationDate: Installed on 2015-07-02 (141 days ago)
  InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20140620-04:25
  MachineType: Dell Inc. Latitude E5450
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-18-generic root=UUID=d06b07a3-04bf-46e1-8cae-5f2592c69192 ro quiet splash pcie_aspm=force radeon.modeset=0 nouveau.modeset=0 video.use_native_backlight=1 video.use_native_backlight=1 crashkernel=384M-:128M vt.handoff=7
  ProcVersionSignature: Ubuntu 4.2.0-18.22~14.04.1-generic 4.2.3
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-18-generic N/A
   linux-backports-modules-4.2.0-18-generic  N/A
   linux-firmware                            1.127.18
  Tags:  trusty
  Uname: Linux 4.2.0-18-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm bumblebee cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 05/19/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 06J17N
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd05/19/2015:svnDellInc.:pnLatitudeE5450:pvr01:rvnDellInc.:rn06J17N:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E5450
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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